Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

January, 2016 to December, 2016

Index includes 3630 messages. Sorted reverse-alphabetically by author.

                    
Re: Celestial Navigation in the MoviesÖrjan Sandström10 Dec 2016, 10:16
Re: Kollsman periscopic sextant mountÖrjan Sandström30 Oct 2016, 07:50
Re: Navigation - a state of mind?Örjan Sandström7 Jun 2016, 17:17
Re: Astronomical PhenomenaÖrjan Sandström12 May 2016, 22:16
Re: Astronomical PhenomenaÖrjan Sandström12 May 2016, 17:47
Re: A One-Hour Presentation on Celestial NavigationÖrjan Sandström12 Mar 2016, 07:02
Re: Traditional navigation by slide ruleÖrjan Sandström23 Jan 2016, 00:27
Re: 2016 Nautical AlmanacÖrjan Sandström10 Jan 2016, 14:39
Re: 2016 Nautical AlmanacÖrjan Sandström9 Jan 2016, 14:33
Janet TaylorWolfgang Köberer1 Oct 2016, 08:19
Re: Not another Plath Gyro-Sextant question?Wolfgang Köberer29 Apr 2016, 16:07
Re: Not another Plath Gyro-Sextant question?Wolfgang Köberer27 Apr 2016, 18:06
Re: Slide rule for lunars?Wolfgang Köberer8 Apr 2016, 14:38
Re: Slide rule for lunars?Wolfgang Köberer5 Apr 2016, 05:18
Re: History of the KamalWolfgang Köberer10 Mar 2016, 20:33
Re: Best way to record time for solo sightsWolfgang Hasper11 Feb 2016, 21:07
Re: Was this optical instrument designed forcelestialnavigation?Wolfgang Hasper6 Feb 2016, 10:19
Re: Was this optical instrument designed forcelestial navigation?Wolfgang Hasper4 Feb 2016, 14:35
Re: Star CN with DSLR CameraWolfgang Hasper28 Jan 2016, 16:34
Re: Borrowed BygraveWolfgang Hasper18 Jan 2016, 08:20
Re: Borrowed BygraveWolfgang Hasper17 Jan 2016, 19:19
Re: Borrowed BygraveWolfgang Hasper16 Jan 2016, 19:39
Old Rare SextantWilliam Cool Kaercher30 Aug 2016, 19:09
TI-85 Navigation Code.William Adams23 Apr 2016, 20:05
Re: Hello and a question about polarizer sun filtersWayne Hilliard9 Dec 2016, 10:50
Re: Hello and a question about polarizer sun filtersWayne Hilliard6 Dec 2016, 22:44
Re: Hello and a question about polarizer sun filtersWayne Hilliard6 Dec 2016, 22:39
Re: Hello and a question about polarizer sun filtersWayne Hilliard6 Dec 2016, 20:34
Re: Hello and a question about polarizer sun filtersWayne Hilliard6 Dec 2016, 19:25
Hello and a question about polarizer sun filtersWayne Hilliard5 Dec 2016, 22:39
Re: U.S. Naval Academy Reinstates CelestialW F Jones25 Jan 2016, 21:11
Meridian passage of moonTrilok Vaidhya11 Apr 2016, 10:41
Re: Model A-12 Link Bubble SextantTracy Shrier27 Mar 2016, 18:09
Re: Model A-12 Link Bubble SextantTracy Shrier27 Mar 2016, 17:48
Model A-12 Link Bubble SextantTracy Shrier22 Mar 2016, 18:28
Re: The flat BygraveTony Oz25 Nov 2016, 16:54
The flat BygraveTony Oz24 Nov 2016, 18:09
Re: Traditional navigation by slide ruleTony Oz23 Nov 2016, 16:16
Re: Traditional navigation by slide ruleTony Oz11 Nov 2016, 18:58
Re: Traditional navigation by slide ruleTony Oz9 Nov 2016, 18:07
Re: Plotting a LOP properly: how to?Tony Oz6 Nov 2016, 20:58
Plotting a LOP properly: how to?Tony Oz6 Nov 2016, 20:22
Re: Doing my homework. Part 1 [FINISHED]Tony Oz6 Nov 2016, 02:45
Re: Traditional navigation by slide ruleTony Oz5 Nov 2016, 00:16
Re: Strange goings with a Casio G Shock watchTony Oz4 Nov 2016, 22:58
Re: Which calculator to use for "arctan(tan(269))"?Tony Oz4 Nov 2016, 19:03
Re: Which calculator to use for "arctan(tan(269))"?Tony Oz4 Nov 2016, 15:50
Re: Which calculator to use for "arctan(tan(269))"?Tony Oz4 Nov 2016, 15:48
Re: Doing my homeworkTony Oz4 Nov 2016, 14:06
Which calculator to use for "arctan(tan(269))"?Tony Oz3 Nov 2016, 22:31
Re: Doing my homeworkTony Oz3 Nov 2016, 21:41
Re: Doing my homeworkTony Oz3 Nov 2016, 10:41
Re: Doing my homeworkTony Oz31 Oct 2016, 19:17
Re: Doing my homeworkTony Oz31 Oct 2016, 17:36
Re: Doing my homeworkTony Oz31 Oct 2016, 17:08
Doing my homeworkTony Oz31 Oct 2016, 15:28
Re: Traditional navigation by slide ruleTony Oz26 Oct 2016, 10:52
Re: Traditional navigation by slide ruleTony Oz20 Oct 2016, 14:09
Re: DIY planisphere: how to begin with it?Tony Oz20 Oct 2016, 12:49
Re: DIY planisphere: how to begin with it?Tony Oz18 Oct 2016, 11:19
DIY planisphere: how to begin with it?Tony Oz17 Oct 2016, 09:58
Re: Traditional navigation by slide ruleTony Oz12 Oct 2016, 17:23
Re: Great Circle Course via calculator & HO 208Tony Oz6 Oct 2016, 11:01
Re: Traditional navigation by slide ruleTony Oz4 Oct 2016, 18:03
Re: Traditional navigation by slide ruleTony Oz3 Oct 2016, 14:06
Re: Star to star relationshipsTony Oz27 Sep 2016, 18:33
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Tony Oz24 Sep 2016, 18:31
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Tony Oz24 Sep 2016, 18:22
Re: Searching for the "article of George Huxtable on logarithmic computations"Tony Oz23 Sep 2016, 18:59
Searching for the "article of George Huxtable on logarithmic computations"Tony Oz23 Sep 2016, 11:45
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Tony Oz23 Sep 2016, 09:05
Re: DIY "Bris mini-sextant": what angles to aim for (and other suggestions)?Tony Oz21 Sep 2016, 14:18
DIY "Bris mini-sextant": what angles to aim for (and other suggestions)?Tony Oz21 Sep 2016, 09:24
Re: A wrist-watch with Nautical Almanac data?Tony Oz21 Sep 2016, 08:59
Re: A wrist-watch with Nautical Almanac data?Tony Oz20 Sep 2016, 17:32
Re: A wrist-watch with Nautical Almanac data?Tony Oz20 Sep 2016, 13:42
Re: A wrist-watch with Nautical Almanac data?Tony Oz19 Sep 2016, 16:16
A wrist-watch with Nautical Almanac data?Tony Oz19 Sep 2016, 15:23
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Tony Oz6 Sep 2016, 19:45
Casio FX-300ES vs FX-300ES Plus: which one to prefer?Tony Oz6 Sep 2016, 08:52
Re: Lunars: how to use the prop.log tables?Tony Oz2 Sep 2016, 17:07
Re: Lunars: how to use the prop.log tables?Tony Oz2 Sep 2016, 08:52
Re: Emergency navigation: a Nocturnal as the Local Siderial Time source.Tony Oz2 Sep 2016, 08:48
Re: Planisphere pour les Distances LunairesTony Oz1 Sep 2016, 22:38
Re: Lunars: how to use the prop.log tables?Tony Oz1 Sep 2016, 20:54
Re: Lunars: how to use the prop.log tables?Tony Oz1 Sep 2016, 18:26
Emergency navigation: a Nocturnal as the Local Siderial Time source.Tony Oz1 Sep 2016, 16:42
Re: Lunars: how to use the prop.log tables?Tony Oz1 Sep 2016, 16:23
Re: Emergency navigation: a Cruiserfix tool.Tony Oz1 Sep 2016, 13:18
Emergency navigation: a Cruiserfix tool.Tony Oz1 Sep 2016, 09:51
Re: Lunars: how to use the prop.log tables?Tony Oz31 Aug 2016, 19:21
Re: Lunars: how to use the prop.log tables?Tony Oz31 Aug 2016, 19:15
Re: Lunars: how to use the prop.log tables?Tony Oz31 Aug 2016, 16:05
Re: Lunars: how to use the prop.log tables?Tony Oz30 Aug 2016, 23:40
Re: Lunars: how to use the prop.log tables?Tony Oz30 Aug 2016, 18:25
Re: Lunars: how to use the prop.log tables?Tony Oz30 Aug 2016, 15:36
Lunars: how to use the prop.log tables?Tony Oz30 Aug 2016, 11:09
Re: First Nations Navigation - west coast of British Columbia?Tom Sult20 Dec 2016, 04:04
Re: Galileo Goes LiveTom Sult16 Dec 2016, 15:04
Re: Is Sextant a generic word?Tom Sult9 Dec 2016, 21:35
Re: Double Altitude - Sensitivity to Time IntervalTom Sult5 Dec 2016, 15:26
Re: GPS out by milesTom Sult2 Nov 2016, 01:16
Re: Celestial navigation classes: looking for suggestions...Tom Sult26 Oct 2016, 19:37
Re: Obtaining a position fix with an android phone?Tom Sult11 Oct 2016, 04:14
Re: Speed of SunsetTom Sult26 Sep 2016, 21:47
Re: How far away can you see landTom Sult23 Sep 2016, 23:01
Re: A wrist-watch with Nautical Almanac data?Tom Sult19 Sep 2016, 17:38
Re: A wrist-watch with Nautical Almanac data?Tom Sult19 Sep 2016, 17:37
Re: A wrist-watch with Nautical Almanac data?Tom Sult19 Sep 2016, 15:41
Re: GPS jamming concernsTom Sult11 Aug 2016, 23:22
Re: GPS jamming concernsTom Sult11 Aug 2016, 00:25
Re: GPS jamming concernsTom Sult10 Aug 2016, 13:54
Re: Telescope for a 9 year old?Tom Sult23 Jul 2016, 13:03
Re: And even more celestial-in-case-GPS-goes-down sillinessTom Sult19 Jul 2016, 23:44
Re: Visual Satellite NavigationTom Sult11 Jul 2016, 20:03
Re: AstroNav CourseTom Sult6 Jul 2016, 01:22
Re: AstroNav CourseTom Sult5 Jul 2016, 15:58
Re: Ten years managing NavListTom Sult2 Jul 2016, 01:00
Re: Bris Sextant Solar FilterTom Sult15 Jun 2016, 21:58
Re: A navigational featTom Sult29 Apr 2016, 16:33
Re: Monarch Butterfly NavigationTom Sult21 Apr 2016, 13:19
Re: Thoughts on celestial presentations and learning.Tom Sult23 Mar 2016, 21:40
Re: A One-Hour Presentation on Celestial NavigationTom Sult19 Mar 2016, 14:20
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult25 Feb 2016, 14:06
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult23 Feb 2016, 18:38
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult20 Feb 2016, 18:26
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult19 Feb 2016, 14:38
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult19 Feb 2016, 03:38
Re: The Science of TimeTom Sult14 Feb 2016, 01:04
Re: The Science of TimeTom Sult14 Feb 2016, 01:00
Re: Celestial a Black Box?Tom Sult18 Jan 2016, 00:56
Re: Borrowed BygraveTom Sult17 Jan 2016, 21:21
Re: Traditional navigation by slide ruleTom Sult17 Jan 2016, 17:46
Re: Traditional navigation by slide ruleTom Sult17 Jan 2016, 17:46
Re: Traditional navigation by slide ruleTom Sult16 Jan 2016, 21:45
Re: Borrowed BygraveTom Sult15 Jan 2016, 15:34
Re: U-boat Celestial Navigation WWIITom Sult13 Jan 2016, 17:43
Re: SolargramTom Sult8 Jan 2016, 14:39
Re: SolargramTom Sult8 Jan 2016, 14:25
SolargramTom Sult6 Jan 2016, 03:17
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionTom Sult5 Jan 2016, 00:57
Who gave Tamaya 733's away in 1980?Tom Mackie6 Apr 2016, 17:55
Re: Air Navigation, Local Hour Angle Type X-1computerThomas Spidle19 Feb 2016, 07:33
Re: Celestial training planetarium 1950Thomas Spidle15 Feb 2016, 03:41
Re: AN-5854-1 Bubble Sextant (Bausch & Lomb)Steve Schoner26 Dec 2016, 02:27
Re: "Super-Lune du siècle"Steve E. Bryant19 Nov 2016, 21:51
Re: Greenwich England highlightsSteve E. Bryant8 Nov 2016, 07:13
Greenwich England highlightsSteve E. Bryant8 Nov 2016, 01:21
Re: Strange goings with a Casio G Shock watchSteve E. Bryant5 Nov 2016, 05:24
Re: Strange goings with a Casio G Shock watchSteve E. Bryant4 Nov 2016, 14:50
Re: Which calculator to use for "arctan(tan(269))"?Steve E. Bryant3 Nov 2016, 23:32
Re: Solar eclipse of August 21, 2017Steve E. Bryant8 Oct 2016, 13:52
Solar eclipse of August 21, 2017Steve E. Bryant8 Oct 2016, 03:46
Re: Telescope for a 9 year old?Steve E. Bryant23 Jul 2016, 14:25
Telescope for a 9 year old?Steve E. Bryant23 Jul 2016, 03:41
Re: Navigation of B-47 bombersSteve E. Bryant18 Jun 2016, 23:31
Re: The moons of Jupiter for Time or Position?Steve E. Bryant6 May 2016, 06:29
The moons of Jupiter for Time or Position?Steve E. Bryant5 May 2016, 19:01
Re: Zn determination and proper dip short distanceSteve E. Bryant15 Mar 2016, 01:39
Zn determination and proper dip short distanceSteve E. Bryant14 Mar 2016, 23:44
Re: The ultimate mechanical watch - for lessSteve E. Bryant4 Mar 2016, 20:57
Re: Scale a small area plotting sheet?Steve E. Bryant28 Feb 2016, 15:42
Scale a small area plotting sheet?Steve E. Bryant28 Feb 2016, 03:24
Re: Messing with the scale of a plotting sheetSteve E. Bryant17 Feb 2016, 07:00
Messing with the scale of a plotting sheetSteve E. Bryant15 Feb 2016, 04:30
Celestial Tools NASRmethod/LOP functionSteve E. Bryant14 Feb 2016, 23:05
Re: Time of Sun & Moon rise and setSteve E. Bryant7 Feb 2016, 04:31
Time of Sun & Moon rise and setSteve E. Bryant4 Feb 2016, 16:38
Re: Planning a fix with >45 degrees intersection inLOPsSteve E. Bryant27 Jan 2016, 05:17
Planning a fix with >45 degrees intersection in LOPsSteve E. Bryant25 Jan 2016, 21:41
Re: LED conversion Astra IIIBStephen Wawrzyniec18 Aug 2016, 19:56
Re: More bluster for the Year of StupidStephen Wawrzyniec11 Aug 2016, 22:28
Re: Cannot focus sextant telescopesStephen Wawrzyniec2 Aug 2016, 20:35
Re: 3D AnalemmaStephen Wawrzyniec8 Jul 2016, 18:07
Re: 3D AnalemmaStephen Wawrzyniec7 Jul 2016, 17:44
Re: French Bureau of Longitude in 1885Stephen N.G. Davies29 Sep 2016, 10:21
Re: The mathematics of tacking downwindStephen N.G. Davies30 Jul 2016, 04:34
Re: Meridian passage of moonStephen N.G. Davies13 Apr 2016, 02:41
Re: Sextant or Range-finderStephen N.G. Davies14 Mar 2016, 02:42
Re: The Sun does not stop for anyoneStan K30 Dec 2016, 21:08
Re: LAN Example for ON Nov/Dec IssueStan K24 Dec 2016, 06:11
Re: Summer SolsticeStan K23 Dec 2016, 18:22
Re: Constructing the next square up on a Mercator chart.Stan K23 Dec 2016, 18:21
Re: Summer SolsticeStan K23 Dec 2016, 14:38
Re: LAN Example for ON Nov/Dec IssueStan K22 Dec 2016, 20:17
Re: Summer SolsticeStan K22 Dec 2016, 00:33
Re: Santa Barbara 2016: Venus sightStan K20 Dec 2016, 02:06
Re: Santa Barbara 2016: Venus sightStan K19 Dec 2016, 17:28
Re: Nautical Almanac 1981 (USCG license training)Stan K18 Dec 2016, 18:03
Re: Santa Barbara 2016: Venus sightStan K16 Dec 2016, 18:04
Re: Santa Barbara 2016: Venus sightStan K14 Dec 2016, 02:48
Re: Santa Barbara 2016: Venus sightStan K14 Dec 2016, 02:40
Re: Santa Barbara 2016: Venus sightStan K13 Dec 2016, 22:08
Re: "Point determinatif" translation in englishStan K13 Dec 2016, 02:21
Re: Fer3.com problem?Stan K13 Dec 2016, 02:14
Fer3.com problem?Stan K13 Dec 2016, 00:39
A Navlist member is getting an awardStan K12 Dec 2016, 21:39
Re: Twitter Cel Nav ChallengeStan K11 Dec 2016, 13:30
Re: Is Sextant a generic word?Stan K9 Dec 2016, 20:35
Re: Is Sextant a generic word?Stan K8 Dec 2016, 22:16
Re: Equal altitude puzzle from a movieStan K7 Dec 2016, 00:22
Re: "d" correctionsStan K6 Dec 2016, 23:42
Re: A Nautical Almanac questionStan K28 Nov 2016, 16:36
Re: A Nautical Almanac questionStan K24 Nov 2016, 22:51
A Nautical Almanac questionStan K23 Nov 2016, 23:52
Re: Death to the Intercept Method!Stan K4 Nov 2016, 20:11
Re: Which calculator to use for "arctan(tan(269))"?Stan K3 Nov 2016, 23:12
Re: Doing my homeworkStan K3 Nov 2016, 22:52
Re: Davis MK3 & Casio Watch Mod.Stan K30 Oct 2016, 01:24
Re: Traditional navigation by slide ruleStan K29 Oct 2016, 19:31
Re: Traditional navigation by slide ruleStan K29 Oct 2016, 14:18
Re: Traditional navigation by slide ruleStan K27 Oct 2016, 17:30
Re: Traditional navigation by slide ruleStan K27 Oct 2016, 13:19
Re: Traditional navigation by slide ruleStan K26 Oct 2016, 20:33
Re: Hav-Doniol Lat/Dec subtractionsStan K18 Oct 2016, 13:57
Re: Great Circle Course via calculator & HO 208Stan K18 Oct 2016, 09:50
Re: V-Correction for Sun? Answer from UKHO...Stan K18 Oct 2016, 09:11
Re: V-Correction for Sun?Stan K16 Oct 2016, 20:23
Re: V-Correction for Sun?Stan K15 Oct 2016, 03:08
Re: V-Correction for Sun?Stan K15 Oct 2016, 02:38
Re: V-Correction for Sun?Stan K14 Oct 2016, 22:53
Re: V-Correction for Sun?Stan K14 Oct 2016, 18:29
Re: V-Correction for Sun?Stan K13 Oct 2016, 21:01
Re: V-Correction for Sun?Stan K13 Oct 2016, 18:46
Re: Obtaining a position fix with an android phone?Stan K11 Oct 2016, 20:17
Re: Obtaining a position fix with an android phone?Stan K11 Oct 2016, 03:27
Re: Great Circle Course via calculator & HO 208Stan K8 Oct 2016, 00:50
Re: Venetian NavList memberStan K4 Oct 2016, 01:12
Re: Great Circle Course via calculator & HO 208Stan K1 Oct 2016, 18:24
Re: Sun even nearer zenithStan K24 Sep 2016, 01:09
Re: V-Correction for Sun?Stan K23 Sep 2016, 23:16
Re: Sun near zenith sightStan K23 Sep 2016, 01:08
Re: Sun near zenith sightStan K23 Sep 2016, 01:08
Re: Sun near zenith sightStan K22 Sep 2016, 22:20
Re: Sun near zenith sightStan K22 Sep 2016, 16:57
Re: Sun near zenith sightStan K22 Sep 2016, 02:19
Re: Abhav vs S-TablesStan K21 Sep 2016, 14:50
Re: Abhav sightreduction?Stan K19 Sep 2016, 03:03
Re: Abhav sightreduction?Stan K19 Sep 2016, 00:58
Re: LED conversion Astra IIIBStan K18 Aug 2016, 14:59
Re: Were Short methods really Short?Stan K8 Aug 2016, 14:40
Re: Were Short methods really Short?Stan K8 Aug 2016, 00:03
Re: Were Short methods really Short?Stan K7 Aug 2016, 23:12
Re: Were Short methods really Short?Stan K5 Aug 2016, 01:27
Re: Were Short methods really Short?Stan K4 Aug 2016, 13:34
Re: Cannot focus sextant telescopesStan K2 Aug 2016, 13:41
Re: 1984 Bowditch questionStan K27 Jul 2016, 21:52
Re: HO 211 with Sadler methodStan K27 Jul 2016, 20:31
Re: ADMIN: receiving NavList messages via AOL emailStan K27 Jul 2016, 20:28
Re: 1984 Bowditch questionStan K27 Jul 2016, 18:43
Re: HO 211 with Sadler methodStan K27 Jul 2016, 18:10
Re: HO 211 with Sadler methodStan K27 Jul 2016, 18:04
Re: HO 211 with Sadler methodStan K27 Jul 2016, 11:44
Re: HO 211 with Sadler methodStan K27 Jul 2016, 05:17
Re: HO 211 with Sadler methodStan K27 Jul 2016, 01:33
Re: 1984 Bowditch questionStan K27 Jul 2016, 01:26
Re: 1850s Metal Sextant - Hard to read the scalesStan K26 Jul 2016, 18:38
Re: Practice Horizon BubbleStan K26 Jul 2016, 18:32
Re: 1984 Bowditch questionStan K26 Jul 2016, 17:44
Re: 1984 Bowditch questionStan K26 Jul 2016, 17:26
Re: 1984 Bowditch questionStan K26 Jul 2016, 02:25
Re: 1984 Bowditch questionStan K26 Jul 2016, 00:09
1984 Bowditch questionStan K25 Jul 2016, 23:41
Re: Skywatcher QuizzStan K25 Jul 2016, 03:10
Re: Nautical AlmanacStan K20 Jul 2016, 01:32
Re: Nautical AlmanacStan K19 Jul 2016, 17:07
Re: Nautical AlmanacStan K19 Jul 2016, 16:45
Re: Nautical AlmanacStan K19 Jul 2016, 03:31
Re: Compact H.O. 211 (Ageton-Bayless) questionStan K16 Jul 2016, 22:40
Re: Compact H.O. 211 (Ageton-Bayless) questionStan K16 Jul 2016, 15:38
Re: Poll: Beetlejuice or BettlegherzStan K11 Jul 2016, 23:55
Compact H.O. 211 (Ageton-Bayless) questionStan K10 Jul 2016, 16:51
Re: Updated Windows lunar distance program v. 4.0.1.0Stan K6 Jul 2016, 22:28
Re: AstroNav CourseStan K6 Jul 2016, 22:25
Re: AstroNav CourseStan K6 Jul 2016, 16:10
Re: AstroNav CourseStan K5 Jul 2016, 23:54
Re: Updated Windows lunar distance program v. 4.0.1.0Stan K4 Jul 2016, 12:16
Re: D correction queryStan K9 Jun 2016, 18:06
Re: Attempting to decipher a "time sight"Stan K31 May 2016, 22:55
Re: Attempting to decipher a "time sight"Stan K30 May 2016, 20:23
Re: The Length of a DayStan K27 May 2016, 13:48
Re: Table 4 Pub 249 / 19th Century NavigationStan K19 May 2016, 00:09
Re: Table 4 Pub 249 / 19th Century NavigationStan K18 May 2016, 20:41
Re: Difference between HO 249 and USNO websiteStan K18 May 2016, 01:07
Re: Celnav article in Ocean Navigator MagazineStan K11 May 2016, 08:10
Re: Bayless/Modified AgetonStan K10 May 2016, 21:56
Re: Celnav article in Ocean Navigator MagazineStan K10 May 2016, 21:34
Re: Transit of Mercury TodayStan K9 May 2016, 19:12
Re: Bayless/Modified AgetonStan K8 May 2016, 22:04
Re: Aquino, Bayless, Bygrave, WeemsStan K8 May 2016, 21:53
Re: Bayless/Modified AgetonStan K8 May 2016, 14:08
Re: Bayless/Modified AgetonStan K8 May 2016, 13:50
Re: Bayless/Modified AgetonStan K7 May 2016, 13:44
Re: Transit of Mercury next weekStan K3 May 2016, 16:55
Re: French Sailing Legend Ditching Modern TechStan K3 May 2016, 16:48
Re: Celestial position-finding on landStan K3 May 2016, 05:12
Re: French Sailing Legend Ditching Modern TechStan K3 May 2016, 05:09
Re: Life on an Ocean LinerStan K27 Apr 2016, 15:12
Re: Star finding techniquesStan K22 Apr 2016, 02:31
Re: Star finding techniquesStan K21 Apr 2016, 19:17
Re: Jupiter in daylight and micrometer testStan K19 Apr 2016, 17:00
Davis Mark 12 sextantStan K27 Mar 2016, 01:49
Re: Scale a small area plotting sheet?Stan K5 Mar 2016, 21:21
Re: Weems talk Thursday at Mystic SeaportStan K1 Mar 2016, 01:44
Re: Sun sights at the Gulf of MexicoStan K25 Feb 2016, 15:01
Sun sights at the Gulf of MexicoStan K23 Feb 2016, 21:46
Re: Sun altitude limits for natural horizon?Stan K22 Feb 2016, 01:16
Re: Best way to record time for solo sightsStan K12 Feb 2016, 03:03
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:40
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:37
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:29
Re: CN on MarsStan K7 Feb 2016, 00:07
Re: CN on MarsStan K6 Feb 2016, 23:00
Re: Time of Sun & Moon rise and setStan K6 Feb 2016, 21:38
Re: Star identification puzzleStan K31 Jan 2016, 16:22
Re: Planning a fix with >45 degrees intersection in LOPsStan K25 Jan 2016, 22:50
Re: Mystic Seaport in WinterStan K24 Jan 2016, 23:27
Re: Aldebaran occultation tonightStan K19 Jan 2016, 21:12
Re: Traditional navigation by slide ruleStan K11 Jan 2016, 21:16
Re: Traditional navigation by slide ruleStan K11 Jan 2016, 16:32
Re: 2016 Nautical AlmanacStan K10 Jan 2016, 14:27
Re: 2016 Nautical AlmanacStan K9 Jan 2016, 22:54
Re: 2016 Nautical AlmanacStan K9 Jan 2016, 14:07
Re: U-boat Celestial Navigation WWIIStan K9 Jan 2016, 01:43
2016 Nautical AlmanacStan K9 Jan 2016, 01:32
Re: Traditional navigation by slide ruleStan K7 Jan 2016, 22:30
Re: LOP bookStan K4 Jan 2016, 22:03
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionStan K4 Jan 2016, 02:22
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionStan K4 Jan 2016, 02:18
Re: The Sun does not stop for anyoneSean C31 Dec 2016, 10:06
Re: Galileo Goes LiveSean C16 Dec 2016, 15:32
Re: Twitter Cel Nav ChallengeSean C11 Dec 2016, 13:44
Re: Is Sextant a generic word?Sean C10 Dec 2016, 03:24
Re: Latest Bulletin A from Different SenderSean C29 Nov 2016, 02:31
Latest Bulletin A from Different SenderSean C28 Nov 2016, 18:43
USNO Website Down?Sean C23 Nov 2016, 22:29
Re: Perigee full moon November 14th - Time for a special lunar?Sean C14 Nov 2016, 05:01
Re: Strange goings with a Casio G Shock watchSean C5 Nov 2016, 18:52
Re: Strange goings with a Casio G Shock watchSean C5 Nov 2016, 13:46
Re: Death to the Intercept Method!Sean C5 Nov 2016, 10:16
Re: Strange goings with a Casio G Shock watchSean C4 Nov 2016, 11:07
Re: Traditional navigation by slide ruleSean C31 Oct 2016, 14:05
Re: V-Correction for Sun?Sean C15 Oct 2016, 01:42
Re: V-Correction for Sun?Sean C14 Oct 2016, 22:23
Re: Solar eclipse of August 21, 2017Sean C8 Oct 2016, 05:42
Re: SNO-M sextant manualSean C3 Oct 2016, 06:35
Re: Traditional navigation by slide ruleSean C27 Sep 2016, 10:45
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Sean C24 Sep 2016, 09:14
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Sean C24 Sep 2016, 08:47
Re: A wrist-watch with Nautical Almanac data?Sean C20 Sep 2016, 15:33
Sky Map ScreensaverSean C7 Sep 2016, 01:34
Re: Sextant pre-set for taking sun-moon lunarsSean C28 Aug 2016, 02:44
Re: Sextant pre-set for taking sun-moon lunarsSean C28 Aug 2016, 02:35
Re: Venus and JupiterSean C25 Aug 2016, 22:23
Re: Poll: Beetlejuice or BettlegherzSean C31 Jul 2016, 09:25
Re: 60° Pendulum AstrolabeSean C21 Jul 2016, 05:31
Re: Sextant accuracy and possibility of future improvementSean C21 Jul 2016, 05:28
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?Sean C18 Jul 2016, 11:25
Re: Poll: Beetlejuice or BettlegherzSean C12 Jul 2016, 09:27
Re: 3D AnalemmaSean C10 Jul 2016, 06:56
Re: 3D AnalemmaSean C8 Jul 2016, 08:37
3D AnalemmaSean C6 Jul 2016, 16:50
Leap Second AnnouncementSean C6 Jul 2016, 10:18
Re: 2016, June 14th Mars LunarsSean C21 Jun 2016, 14:47
Re: 2016, June 14th Mars LunarsSean C21 Jun 2016, 00:09
Re: 2016, June 14th Mars LunarsSean C18 Jun 2016, 18:44
Re: 2016, June 14th Mars LunarsSean C16 Jun 2016, 17:34
Re: 2016, June 14th Mars LunarsSean C15 Jun 2016, 12:15
Re: 2016, June 14th Mars LunarsSean C15 Jun 2016, 11:57
2016, June 14th Mars LunarsSean C14 Jun 2016, 16:33
Re: Cellphone tetheringSean C3 Jun 2016, 11:30
Re: Attempting to decipher a "time sight"Sean C28 May 2016, 17:32
Re: Attempting to decipher a "time sight"Sean C28 May 2016, 13:54
Re: The Length of a DaySean C27 May 2016, 08:40
Re: Table 4 Pub 249 / 19th Century NavigationSean C18 May 2016, 15:45
Re: Whaling logbooksSean C15 May 2016, 17:17
Re: Transit of Mercury next weekSean C3 May 2016, 02:04
Re: French Sailing Legend Ditching Modern TechSean C3 May 2016, 02:01
Re: Life on an Ocean LinerSean C27 Apr 2016, 23:24
Life on an Ocean LinerSean C27 Apr 2016, 10:17
Re: Star finding techniquesSean C22 Apr 2016, 03:02
Re: Monarch Butterfly NavigationSean C20 Apr 2016, 20:14
Re: F. Barker & Son Box SextantSean C10 Apr 2016, 11:00
Re: F. Barker & Son Box SextantSean C8 Apr 2016, 22:02
Re: F. Barker & Son Box SextantSean C7 Apr 2016, 13:11
F. Barker & Son Box SextantSean C6 Apr 2016, 20:07
Re: Advice on Box SextantSean C30 Mar 2016, 18:21
Re: Advice on Box SextantSean C30 Mar 2016, 15:04
Re: Advice on Box SextantSean C30 Mar 2016, 08:17
Re: Advice on Box SextantSean C29 Mar 2016, 23:28
Re: Advice on Box SextantSean C28 Mar 2016, 07:20
Advice on Box SextantSean C27 Mar 2016, 15:26
Re: Name for sixty nautical milesSean C17 Mar 2016, 21:58
Re: Scale a small area plotting sheet?Sean C2 Mar 2016, 02:03
Re: Scale a small area plotting sheet?Sean C2 Mar 2016, 01:17
Re: Scale a small area plotting sheet?Sean C29 Feb 2016, 14:52
Re: Scale a small area plotting sheet?Sean C29 Feb 2016, 00:07
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:16
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:10
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:02
Re: Celestial data for the planet UranusSean C28 Feb 2016, 00:52
Re: Celestial data for the planet MercurySean C25 Feb 2016, 10:13
Calculated Altitude GraphSean C17 Feb 2016, 20:32
Re: The Science of TimeSean C14 Feb 2016, 06:06
Re: Star identification puzzleSean C2 Feb 2016, 04:28
Re: Star CN with DSLR CameraSean C29 Jan 2016, 07:51
Re: Planning a fix with >45 degrees intersection inLOPsSean C27 Jan 2016, 06:01
Re: Traditional navigation by slide ruleSean C22 Jan 2016, 06:30
Re: Borrowed BygraveSean C17 Jan 2016, 07:42
Re: 2016 Nautical AlmanacSean C10 Jan 2016, 05:19
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionSean C7 Jan 2016, 09:47
Re: Fifty years since Chichester set sail - SailfeedSam Lyness3 Sep 2016, 14:46
Re: Tragedy strikes TWA aircraft navigatorSam Lyness17 Feb 2016, 02:26
Re: Is Sextant a generic word?Ronald van Riet9 Dec 2016, 09:17
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorRonald van Riet1 Dec 2016, 09:41
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Ronald van Riet7 Sep 2016, 11:53
Re: U-boat Celestial Navigation WWIIRonald van Riet19 Apr 2016, 09:00
Re: U-boat Celestial Navigation WWIIRonald van Riet15 Apr 2016, 08:28
Re: U-boat Celestial Navigation WWIIRonald van Riet14 Apr 2016, 08:34
Re: U-boat Celestial Navigation WWIIRonald van Riet14 Apr 2016, 08:31
Re: U-boat Celestial Navigation WWIIRonald van Riet13 Apr 2016, 19:26
Re: "Dalton Dead Reckoning Computor" Type E-6BRonald van Riet19 Feb 2016, 09:40
Re: U-boat Celestial Navigation WWIIRonald van Riet15 Jan 2016, 09:53
Re: Official star namesRon Jones16 Sep 2016, 04:46
Re: 1984 Bowditch questionRon Jones28 Jul 2016, 02:57
Re: The Length of a DayRon Jones27 May 2016, 16:08
Re: The Length of a DayRon Jones26 May 2016, 23:45
Re: Celestial position-finding on landRon Jones2 May 2016, 20:53
Re: TI-85 Navigation Code.Ron Jones24 Apr 2016, 17:00
Re: TI-85 Navigation Code.Ron Jones23 Apr 2016, 23:48
Latitude by PolarisRon Jones26 Mar 2016, 22:58
Re: Scale a small area plotting sheet?Ron Jones5 Mar 2016, 17:53
Re: Sun altitude limits for natural horizon?Ron Jones23 Feb 2016, 05:31
Re: Sun altitude limits for natural horizon?Ron Jones22 Feb 2016, 17:46
Re: Sun altitude limits for natural horizon?Ron Jones21 Feb 2016, 00:12
Re: Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 23:43
Re: Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 22:45
Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 22:15
Re: Nautical Almanac sight reduction by calculationRon Jones15 Feb 2016, 17:31
Re: Nautical Almanac sight reduction by calculationRon Jones15 Feb 2016, 05:54
Re: Sun Slow DayRon Jones10 Feb 2016, 18:57
Re: Time of Sun & Moon rise and setRon Jones7 Feb 2016, 00:55
Re: Time of Sun & Moon rise and setRon Jones6 Feb 2016, 16:57
Re: Planning a fix with >45 degrees intersection in LOPsRon Jones26 Jan 2016, 02:19
Re: Spherical triangle split by right trianglesRon Jones23 Jan 2016, 03:47
Re: Celestial a Black Box?Ron Jones17 Jan 2016, 23:06
Re: Traditional navigation by slide ruleRon Jones11 Jan 2016, 18:24
Accuracy of Nautical Almanac vs Air AlmanacRon Jones8 Jan 2016, 04:24
Re: Sun even nearer zenithRommel John Miller27 Sep 2016, 18:49
Re: LED conversion Astra IIIBRommel John Miller19 Aug 2016, 03:34
Re: William Bligh's navigation and mappingRommel John Miller12 Aug 2016, 00:17
Re: William Bligh's navigation and mappingRommel John Miller10 Aug 2016, 21:50
Re: GPS jamming concernsRommel John Miller10 Aug 2016, 16:50
Re: GPS jamming concernsRommel John Miller9 Aug 2016, 22:09
Re: GPS jamming concernsRommel John Miller8 Aug 2016, 22:00
Re: GPS jamming concernsRommel John Miller8 Aug 2016, 19:48
Re: Museo Naval, MadridRommel John Miller2 Aug 2016, 18:39
Re: Practice Horizon BubbleRommel John Miller26 Jul 2016, 18:21
Re: And even more celestial-in-case-GPS-goes-down sillinessRommel John Miller19 Jul 2016, 20:21
Re: And even more celestial-in-case-GPS-goes-down sillinessRommel John Miller18 Jul 2016, 18:51
Re: AstroNav CourseRommel John Miller6 Jul 2016, 15:10
Re: AstroNav CourseRommel John Miller6 Jul 2016, 04:58
Re: Patrick O'Brian characters discuss time andlongitudeRommel John Miller26 Jun 2016, 22:14
Re: Sextants at SeaRommel John Miller21 Jun 2016, 15:11
Sven Yvrvind's Bris sextantRommel John Miller15 Jun 2016, 23:44
Re: We were off-course 97% of the timeRommel John Miller13 Jun 2016, 03:55
Learn to Love LogarithmsRommel John Miller16 May 2016, 01:51
Re: New corrections for latitude by Polaris?Rommel John Miller10 Apr 2016, 02:18
Re: Name for sixty nautical milesRommel John Miller18 Mar 2016, 02:33
Re: U.S. Naval Academy Reinstates CelestialRommel John Miller28 Jan 2016, 02:03
Re: Traditional navigation by slide ruleRommel John Miller20 Jan 2016, 20:03
Re: Celestial a Black Box?Rommel John Miller19 Jan 2016, 00:09
Re: Celestial a Black Box?Rommel John Miller18 Jan 2016, 00:56
Re: Traditional navigation by slide ruleRommel John Miller7 Jan 2016, 02:57
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionRommel John Miller3 Jan 2016, 21:34
Re: Fred Noonan CriticizedRoger Connor15 Jun 2016, 13:30
Re: Smithsonian "Time and Navigation" exhibit updatedRoger Connor18 Apr 2016, 18:20
Re: German Gyro (Kreisel) sextantRoger Connor18 Apr 2016, 18:12
Re: Showing a Mercator Projection is not a perspective projectionRobin Stuart31 Dec 2016, 20:43
Re: Showing a Mercator Projection is not a perspective projectionRobin Stuart31 Dec 2016, 19:39
Re: The Sun does not stop for anyoneRobin Stuart31 Dec 2016, 17:08
Re: The Sun does not stop for anyoneRobin Stuart31 Dec 2016, 15:47
Re: The Sun does not stop for anyoneRobin Stuart31 Dec 2016, 15:09
Re: The Sun does not stop for anyoneRobin Stuart30 Dec 2016, 20:14
Re: Leap second on December 31Robin Stuart29 Dec 2016, 21:29
Re: Constructing the next square up on a Mercator chart.Robin Stuart23 Dec 2016, 17:07
Re: LAN Example for ON Nov/Dec IssueRobin Stuart23 Dec 2016, 15:54
Re: The flat BygraveRobin Stuart24 Nov 2016, 21:37
Re: Celestial Pre-computation Form for PolhemusRobin Stuart23 Nov 2016, 19:14
Re: Great Circle Sailing ChartRobin Stuart22 Nov 2016, 19:14
Re: "Super-Lune du siècle"Robin Stuart19 Nov 2016, 16:04
Re: Perigee full moon November 14th - Time for a special lunar?Robin Stuart13 Nov 2016, 22:05
Re: That magic number: 3438Robin Stuart4 Nov 2016, 20:41
Re: Which calculator to use for "arctan(tan(269))"?Robin Stuart4 Nov 2016, 17:28
Re: Which calculator to use for "arctan(tan(269))"?Robin Stuart4 Nov 2016, 15:28
Re: That magic number: 3438Robin Stuart4 Nov 2016, 14:46
Re: V-Correction for Sun?Robin Stuart16 Oct 2016, 15:00
Re: V-Correction for Sun?Robin Stuart13 Oct 2016, 19:10
Re: V-Correction for Sun?Robin Stuart13 Oct 2016, 15:10
Re: Lunars: how to use the prop.log tables?Robin Stuart2 Sep 2016, 14:41
Re: Lunars: how to use the prop.log tables?Robin Stuart1 Sep 2016, 19:48
Re: Lunars: how to use the prop.log tables?Robin Stuart1 Sep 2016, 18:39
Re: Lunars: how to use the prop.log tables?Robin Stuart1 Sep 2016, 17:20
Re: Lunars: how to use the prop.log tables?Robin Stuart1 Sep 2016, 14:29
Re: Finding Latitude at Sea from Two Altitudes of the Sun and a Possibly Incorrect WatchRobin Stuart27 Aug 2016, 20:10
Re: Historical charts and mappingRobin Stuart23 Aug 2016, 17:18
Re: Historical charts and mappingRobin Stuart18 Aug 2016, 14:38
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart11 Aug 2016, 15:40
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart8 Aug 2016, 15:45
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart8 Aug 2016, 13:45
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart6 Aug 2016, 13:30
Comments on Bygrave/MHR1 calculationsRobin Stuart4 Aug 2016, 19:55
Re: Working Model MHR1 SlideruleRobin Stuart2 Aug 2016, 17:08
Re: Working Model MHR1 SlideruleRobin Stuart2 Aug 2016, 13:24
Re: Working Model MHR1 SlideruleRobin Stuart1 Aug 2016, 14:44
Working Model MHR1 SlideruleRobin Stuart31 Jul 2016, 15:35
Re: 1984 Bowditch questionRobin Stuart27 Jul 2016, 17:13
Re: 1984 Bowditch questionRobin Stuart26 Jul 2016, 14:07
Re: Thoughts on why 'north' is at the top of maps (BBC)Robin Stuart17 Jun 2016, 18:21
Re: Name for sixty nautical milesRobin Stuart18 Mar 2016, 15:32
Re: Name for sixty nautical milesRobin Stuart18 Mar 2016, 15:16
Re: Star identification puzzleRobin Stuart31 Jan 2016, 15:36
Re: Great Circle Sailing ChartRobin Stuart21 Jan 2016, 15:43
Re: Great Circle Sailing ChartRobin Stuart20 Jan 2016, 12:09
Re: Great Circle Sailing ChartRobin Stuart19 Jan 2016, 19:11
Re: Borrowed BygraveRobin Stuart17 Jan 2016, 14:15
Re: Borrowed BygraveRobin Stuart15 Jan 2016, 17:20
Re: Great Circle Sailing ChartRobin Stuart15 Jan 2016, 15:50
Great Circle Sailing ChartRobin Stuart14 Jan 2016, 20:26
HMS Terror found after 168 yearsRobert Wyatt13 Sep 2016, 19:42
Re: Historical charts and mappingRobert Wyatt18 Aug 2016, 14:57
Re: GPS jamming concernsRobert Wyatt11 Aug 2016, 19:29
OT: Sylvester Wyet/Wyatt and Rice JonesRobert Wyatt16 May 2016, 14:35
Re: Bayless/Modified AgetonRobert Wyatt10 May 2016, 17:28
Re: Great Circle Sailing ChartRobert Wyatt15 Jan 2016, 14:45
Re: USNS Bowditch - also Slocum!Robert VanderPol II18 Dec 2016, 06:20
Re: Polhemus templates for 1:2'500'000 scaleRobert VanderPol II21 Nov 2016, 16:41
Re: Celestial navigation classes: looking for suggestions...Robert VanderPol II29 Oct 2016, 00:33
Re: Celestial navigation classes: looking for suggestions...Robert VanderPol II27 Oct 2016, 02:34
Re: Celestial navigation classes: looking for suggestions...Robert VanderPol II26 Oct 2016, 21:53
Re: Obtaining a position fix with an android phone?Robert VanderPol II11 Oct 2016, 04:26
Re: SNO-M sextant manualRobert VanderPol II3 Oct 2016, 00:13
Re: Star to star relationshipsRobert VanderPol II27 Sep 2016, 04:19
Re: Abhav vs S-TablesRobert VanderPol II23 Sep 2016, 04:44
Re: Abhav vs S-TablesRobert VanderPol II21 Sep 2016, 22:04
Re: Abhav vs S-TablesRobert VanderPol II21 Sep 2016, 20:09
Re: Abhav vs S-TablesRobert VanderPol II21 Sep 2016, 03:27
Re: Abhav vs S-TablesRobert VanderPol II20 Sep 2016, 23:46
Re: Abhav vs S-TablesRobert VanderPol II20 Sep 2016, 23:41
Re: GPS jamming concernsRobert VanderPol II10 Aug 2016, 21:43
Re: HO 211 with Sadler methodRobert VanderPol II26 Jul 2016, 23:35
Re: HO 211 with Sadler methodRobert VanderPol II26 Jul 2016, 05:17
Re: 1984 Bowditch questionRobert VanderPol II25 Jul 2016, 23:45
Re: 60° Pendulum AstrolabeRobert VanderPol II23 Jul 2016, 03:58
Re: Sextant accuracy and possibility of future improvementRobert VanderPol II23 Jul 2016, 02:05
Re: HO 211 with Sadler methodRobert VanderPol II20 Jul 2016, 04:08
Re: Compact H.O. 211 (Ageton-Bayless) questionRobert VanderPol II16 Jul 2016, 16:30
Re: Ten years managing NavListRobert VanderPol II10 Jul 2016, 03:55
Re: Ten years managing NavListRobert VanderPol II9 Jul 2016, 17:07
Re: Ten years managing NavListRobert VanderPol II8 Jul 2016, 03:36
Re: Mysterious celestial measurementRobert VanderPol II1 Jul 2016, 14:06
Used bubble sextantRobert VanderPol II21 Jun 2016, 04:55
Re: HO 211 (Ageton) sight reduction accuracyRobert VanderPol II15 Jun 2016, 21:41
Re: HO 211 (Ageton) sight reduction accuracyRobert VanderPol II14 Jun 2016, 16:30
G-Capt on Celestial Nav in the commercial world.Robert VanderPol II12 May 2016, 02:44
Re: Bayless/Modified AgetonRobert VanderPol II11 May 2016, 02:30
Re: Celnav article in Ocean Navigator MagazineRobert VanderPol II11 May 2016, 02:24
Re: Bayless/Modified AgetonRobert VanderPol II8 May 2016, 22:53
Re: Bayless/Modified AgetonRobert VanderPol II8 May 2016, 12:45
Re: Bayless/Modified AgetonRobert VanderPol II8 May 2016, 03:35
Bayless/Modified AgetonRobert VanderPol II7 May 2016, 00:56
Re: Horizon Shade PolariserRobert VanderPol II6 May 2016, 21:45
Re: More Coutinho QuestionsRobert VanderPol II4 May 2016, 13:16
Re: Star finding techniquesRobert VanderPol II22 Apr 2016, 12:17
Re: Star finding techniquesRobert VanderPol II22 Apr 2016, 03:27
Re: Star finding techniquesRobert VanderPol II21 Apr 2016, 22:08
Re: Sextant or Range-finderRobert VanderPol II13 Mar 2016, 04:46
Re: HelloRobert VanderPol II10 Mar 2016, 05:21
Re: A One-Hour Presentation on Celestial NavigationRobert VanderPol II4 Mar 2016, 03:43
Re: A One-Hour Presentation on Celestial NavigationRobert VanderPol II3 Mar 2016, 19:27
Re: CN on MarsRobert VanderPol II6 Feb 2016, 17:05
Re: U.S. Naval Academy Reinstates CelestialRobert VanderPol II28 Jan 2016, 16:00
Re: Spherical triangle split by right trianglesRobert VanderPol II24 Jan 2016, 04:21
Re: Spherical triangle split by right trianglesRobert VanderPol II22 Jan 2016, 22:04
Re: Traditional navigation by slide ruleRobert VanderPol II7 Jan 2016, 01:35
Re: Traditional navigation by slide ruleRobert VanderPol II7 Jan 2016, 01:25
Re: SolargramRobert VanderPol II6 Jan 2016, 09:44
Using Venus for Marine Sextant CalibrationRobert Swartz31 Dec 2016, 07:09
Re: Celestial Navigation in the MoviesRobert Swartz4 Dec 2016, 20:30
USN Ball Recording SextantRobert Swartz29 Nov 2016, 07:05
Re: Kollsman periscopic sextant mountRobert Swartz29 Nov 2016, 06:55
Re: Kollsman periscopic sextant mountRobert Swartz28 Nov 2016, 06:33
Re: Kollsman periscopic sextant mountRobert Swartz28 Nov 2016, 06:27
Restored WWII Link A-12 Bubble Sextant F.S.Robert Swartz30 Aug 2016, 13:52
Reconditioned Bausch and Lomb A8-A Bubble Sextant F. S.Robert Swartz16 Aug 2016, 20:27
Re: Model A-12 Link Bubble SextantRobert Swartz27 Mar 2016, 03:05
Rare Working WWII U.S. Aircraft Sextants For SaleRobert Swartz16 Feb 2016, 20:37
U.S. Naval Academy Reinstates CelestialRobert Swartz23 Jan 2016, 07:35
WWII U.S. Aircraft Bubble Sextants F.SRobert Swartz9 Jan 2016, 16:56
Re: Death to the Intercept Method!Robert Pearson6 Nov 2016, 01:59
Re: Nautical AlmanacRobert Pearson19 Jul 2016, 08:26
IAU Formally Approves 227 Star NamesRobert H. van Gent24 Nov 2016, 13:57
Re: Mysterious celestial measurementRobert H. van Gent1 Jul 2016, 14:16
Re: Star identification puzzleRobert H. van Gent1 Feb 2016, 09:35
Re: Star identification puzzleRobert H. van Gent31 Jan 2016, 14:26
Re: U-boat Celestial Navigation WWIIRobert H. van Gent9 Jan 2016, 12:13
Re: USN Ball Recording SextantRobert Eno29 Nov 2016, 16:19
Re: How Globes were Made in the 1950sRobert Eno19 Nov 2016, 19:51
Re: Sextant accuracy and possibility of future improvementRobert Eno21 Jul 2016, 17:27
Re: Sextant accuracy and possibility of future improvementRobert Eno19 Jul 2016, 19:32
Re: Sextant platform for lunarsRobert Eno10 Jul 2016, 18:31
Re: AstroNav CourseRobert Eno6 Jul 2016, 03:25
Re: AstroNav CourseRobert Eno5 Jul 2016, 21:36
Re: Neat video about LEM stellar alignment scopeRobert Eno8 Jun 2016, 01:13
Re: Celestial a Black Box?Robert Eno17 Jan 2016, 23:21
Re: Intercept and distanceRobert Bernecky17 Jun 2016, 18:08
Re: Spherical triangle split by right trianglesRobert Bernecky23 Jan 2016, 16:28
Re: Kollsman periscopic sextant mountRichard Marks30 Oct 2016, 00:31
Re: MA-1 bubble sextantRichard Marks29 Oct 2016, 22:13
Re: AstroNav CourseRichard L. Stinson6 Jul 2016, 00:38
Talk at AF Space Command (GPS History)Richard Easton20 Dec 2016, 01:25
My SpyCast interview about GPSRichard Easton16 Aug 2016, 15:16
Science of Time SymposiumRichard Easton12 May 2016, 18:33
Re: Threats to GPS and introduction of eLORANRichard Easton30 Jan 2016, 02:59
Conference: From Sea to Sky-The Evolution of Air NavigationRichard Dunn5 Apr 2016, 15:37
Re: Galileo Goes LiveRichard B. Langley16 Dec 2016, 13:28
Re: GPS jamming concernsRichard B. Langley9 Aug 2016, 12:28
Naval Academy brings back celestial navigation coursesRichard B. Langley18 Jul 2016, 12:40
Fwd: CBC Radio Item on GPS Problems and DependenceRichard B. Langley18 May 2016, 12:42
Re: U.S. Naval Academy Reinstates CelestialRichard B. Langley23 Feb 2016, 13:27
Re: Navigation using satellite doppler shiftRichard B. Langley1 Feb 2016, 13:19
Re: Threats to GPS and introduction of eLORANRichard B. Langley30 Jan 2016, 14:55
Re: Practice Horizon BubbleRandall Morrow1 Aug 2016, 00:12
Re: And even more celestial-in-case-GPS-goes-down sillinessRandall Morrow21 Jul 2016, 13:21
Re: Best way to record time for solo sightsRandall Morrow17 Feb 2016, 20:26
Re: SNO-M sextant manualRalph Wolf2 Oct 2016, 20:08
Re: Polhemus templates for 1:2'500'000 scaleRafal O.22 Nov 2016, 06:55
Re: Polhemus templates for 1:2'500'000 scaleRafal O.22 Nov 2016, 06:50
Re: Polhemus templates for 1:2'500'000 scaleRafal O.22 Nov 2016, 06:46
Polhemus templates for 1:2'500'000 scaleRafal O.21 Nov 2016, 12:00
Re: Low altitude sunRafal O.19 May 2016, 18:26
Re: Low altitude sunRafal O.19 May 2016, 15:42
Re: Polhemus Celestial Computer -latitude templatesRafal O.20 Apr 2016, 10:58
Polhemus Celestial Computer -latitude templatesRafal O.20 Apr 2016, 06:53
"Point determinatif" translation in englishPosth P13 Dec 2016, 01:32
Re: Sextant accuracy and possibility of future improvementPhilip Lange21 Jul 2016, 17:57
Re: Sextant accuracy and possibility of future improvementPhilip Lange21 Jul 2016, 14:00
Re: Ten years managing NavListPhilip Lange9 Jul 2016, 19:48
Re: New corrections for latitude by Polaris?Philip Lange10 Apr 2016, 23:41
New corrections for latitude by Polaris?Philip Lange9 Apr 2016, 23:04
Re: Name for sixty nautical milesPhilip Lange17 Mar 2016, 20:15
60° Pendulum AstrolabePhil Sadler19 Jul 2016, 16:38
Repair of Bubble HorizonPeter Thorner17 Aug 2016, 18:00
Re: Leap second on December 31Peter Smith30 Dec 2016, 16:26
Re: Setting a course when sailing into the wind.Peter Smith28 Jul 2016, 16:26
Re: Ten years managing NavListPeter Smith7 Jul 2016, 17:21
Re: The moons of Jupiter for Time or Position?Peter Smith9 May 2016, 14:29
Re: French Sailing Legend Ditching Modern TechPeter Smith3 May 2016, 17:44
Re: Doing my homeworkPeter Monta1 Nov 2016, 03:41
Re: Traditional navigation by slide rulePeter Monta13 Oct 2016, 06:15
Re: Star to star relationshipsPeter Monta27 Sep 2016, 18:21
Re: Official star namesPeter Monta16 Sep 2016, 05:52
Re: Setting seconds on a digital displayPeter Monta24 Aug 2016, 11:51
Re: Daytime Photographs of Aldebaran and SiriusPeter Monta7 Aug 2016, 22:29
Re: 60° Pendulum AstrolabePeter Monta20 Jul 2016, 21:10
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?Peter Monta19 Jul 2016, 06:47
Re: Visual Satellite NavigationPeter Monta10 Jul 2016, 17:23
Re: Patrick O'Brian characters discuss time and longitudePeter Monta28 Jun 2016, 19:28
Re: Patrick O'Brian characters discuss time and longitudePeter Monta27 Jun 2016, 06:59
Re: Patrick O'Brian characters discuss time and longitudePeter Monta26 Jun 2016, 18:49
Re: 2016, June 14th Mars LunarsPeter Monta21 Jun 2016, 03:10
Re: Jupiter in daylight and micrometer testPeter Monta2 May 2016, 07:43
Re: Jupiter in daylight and micrometer testPeter Monta20 Apr 2016, 03:46
Re: Navigation with the ISS videoPeter Monta10 Apr 2016, 00:44
Navigation with the ISS videoPeter Monta9 Apr 2016, 06:20
Re: Practical lunars in today's worldPeter Monta7 Apr 2016, 00:21
Re: The Wild T4 Theodolite - Don't Sneeze!Peter Monta3 Apr 2016, 20:51
Re: Name for sixty nautical milesPeter Monta18 Mar 2016, 08:42
B-52 electromechanical computer videoPeter Monta24 Feb 2016, 03:16
Re: Galactic GPS - How dead stars will guide us in deep spacePeter Monta20 Feb 2016, 10:24
Re: Celestial training planetarium 1950Peter Monta15 Feb 2016, 01:51
Re: Star identification puzzlePeter Monta31 Jan 2016, 17:14
Re: Star CN with DSLR CameraPeter Monta31 Jan 2016, 06:47
Re: Navigation using satellite doppler shiftPeter Monta31 Jan 2016, 06:25
Re: U.S. Naval Academy Reinstates CelestialPeter Monta28 Jan 2016, 06:05
Re: Star CN with DSLR CameraPeter Monta28 Jan 2016, 04:40
Re: Prime Meridian on the movePeter Monta15 Jan 2016, 15:19
Prime Meridian on the movePeter Monta15 Jan 2016, 15:06
Re: Santa Barbara 2016: Venus sightPeter Hakel20 Dec 2016, 00:48
Re: The Sun does not stop for anyonePeter Hakel17 Dec 2016, 22:33
Re: Santa Barbara 2016: Venus sightPeter Hakel14 Dec 2016, 15:15
Re: Santa Barbara 2016: Venus sightPeter Hakel14 Dec 2016, 01:20
Santa Barbara 2016: Venus sightPeter Hakel13 Dec 2016, 01:06
Santa Barbara 2016: 4-LOP fixPeter Hakel12 Dec 2016, 23:51
Re: Daytime Venus AvailablePeter Hakel20 Nov 2016, 05:11
Re: Death to the Intercept Method!Peter Hakel5 Nov 2016, 14:14
Re: Great Circle Course via calculator & HO 208Peter Hakel7 Oct 2016, 13:58
Re: Great Circle Course via calculator & HO 208Peter Hakel1 Oct 2016, 17:50
Re: Sun near zenith sightPeter Hakel22 Sep 2016, 18:41
Re: Sun near zenith sightPeter Hakel22 Sep 2016, 03:37
Navigation Spreadsheets in 2017Peter Hakel19 Sep 2016, 00:07
CelNav in practice: a contemporary examplePeter Hakel29 Jul 2016, 17:01
Re: Practical lunars in today's worldPeter Hakel5 Apr 2016, 03:52
Re: Latitude by PolarisPeter Hakel27 Mar 2016, 15:35
Re: Scale a small area plotting sheet?Peter Hakel2 Mar 2016, 01:33
Re: Celestial data for the planet UranusPeter Hakel27 Feb 2016, 23:32
Re: Henning Umland's long term almanac. Is it wrong?Peter Hakel24 Feb 2016, 00:14
Re: Celestial data for the planet MercuryPeter Hakel22 Feb 2016, 15:19
Re: Nautical Almanac sight reduction by calculationPeter Hakel15 Feb 2016, 18:48
Re: Summer SolsticePaul Werner23 Dec 2016, 11:21
Re: Summer SolsticePaul Werner21 Dec 2016, 12:55
Re: Star identification puzzlePaul Werner31 Jan 2016, 15:31
Re: Star identification puzzlePaul Werner31 Jan 2016, 12:34
Re: USNS Bowditch - also Slocum!Paul Saffo17 Dec 2016, 18:15
Re: How far away can you see landPaul Saffo25 Sep 2016, 16:20
Re: Telescope for a 9 year old?Paul Saffo23 Jul 2016, 21:54
Re: AstroNav CoursePaul Saffo6 Jul 2016, 13:20
We were off-course 97% of the timePaul Saffo12 Jun 2016, 02:23
Neat video about LEM stellar alignment scopePaul Saffo7 Jun 2016, 16:52
Re: Navigation - a state of mind?Paul Saffo2 Jun 2016, 16:20
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantPaul Saffo2 May 2016, 12:54
Stanford Rumsey Map Center opens tomorrow!Paul Saffo18 Apr 2016, 15:37
Re: The Wild T4 Theodolite - Don't Sneeze!Paul Saffo31 Mar 2016, 16:57
Re: The Wild T4 Theodolite - Don't Sneeze!Paul Saffo30 Mar 2016, 15:30
Re: The Science of Time (and LNF)Paul Saffo15 Feb 2016, 11:24
Navigational instrument appraisersPaul Saffo31 Jan 2016, 17:26
Re: LAN Example for ON Nov/Dec IssuePaul Jackson23 Dec 2016, 22:23
Re: LAN Example for ON Nov/Dec IssuePaul Jackson22 Dec 2016, 19:54
Venus by day and Gregs tipPaul Jackson24 Nov 2016, 10:11
Re: Low altitude sunPaul Jackson20 May 2016, 07:23
Re: Low altitude sunPaul Jackson20 May 2016, 07:14
Re: Low altitude sunPaul Jackson20 May 2016, 05:59
Low altitude sunPaul Jackson19 May 2016, 05:52
Re: 360 degree slide rule trigPaul Hirose28 Nov 2016, 06:04
360 degree slide rule trigPaul Hirose16 Nov 2016, 05:37
Re: Traditional navigation by slide rulePaul Hirose13 Nov 2016, 05:55
Re: Traditional navigation by slide rulePaul Hirose10 Nov 2016, 06:07
Rhumb line by slide rulePaul Hirose2 Nov 2016, 21:41
Re: Traditional navigation by slide rulePaul Hirose28 Oct 2016, 23:35
Re: Traditional navigation by slide rulePaul Hirose25 Oct 2016, 16:36
Re: Traditional navigation by slide rulePaul Hirose20 Oct 2016, 05:00
Re: Traditional navigation by slide rulePaul Hirose18 Oct 2016, 22:33
Aldebaran occultation tonightPaul Hirose18 Oct 2016, 22:21
Re: Traditional navigation by slide rulePaul Hirose18 Oct 2016, 08:52
Re: Traditional navigation by slide rulePaul Hirose14 Oct 2016, 18:42
Eclipse computations with Lunar4Paul Hirose11 Oct 2016, 04:41
Re: French Bureau of Longitude in 1885Paul Hirose3 Oct 2016, 21:38
Re: Modern LunarsPaul Hirose29 Sep 2016, 20:33
French Bureau of Longitude in 1885Paul Hirose28 Sep 2016, 19:46
Re: Modern LunarsPaul Hirose28 Sep 2016, 15:42
Re: Modern LunarsPaul Hirose27 Sep 2016, 20:00
Re: Modern LunarsPaul Hirose27 Sep 2016, 07:46
Re: Traditional navigation by slide rulePaul Hirose27 Sep 2016, 07:42
Re: Modern LunarsPaul Hirose27 Sep 2016, 03:34
Re: Traditional navigation by slide rulePaul Hirose26 Sep 2016, 05:09
Re: Modern LunarsPaul Hirose25 Sep 2016, 23:44
Re: Modern LunarsPaul Hirose25 Sep 2016, 04:46
Re: Modern LunarsPaul Hirose24 Sep 2016, 03:53
Re: Modern LunarsPaul Hirose23 Sep 2016, 23:47
Re: Abhav vs S-TablesPaul Hirose21 Sep 2016, 20:37
Windows lunar distance program release 4.2.0.0Paul Hirose21 Sep 2016, 05:26
Re: Abhav vs S-TablesPaul Hirose21 Sep 2016, 02:28
Re: Modern LunarsPaul Hirose20 Sep 2016, 23:08
Re: Modern LunarsPaul Hirose20 Sep 2016, 06:12
Difficult lunars from 1855Paul Hirose14 Sep 2016, 02:40
Lunar distance software v. 4.1.1.0Paul Hirose12 Sep 2016, 03:28
Dip and the refractive invariantPaul Hirose8 Sep 2016, 06:13
Re: Capella - Betelgeuse - CanopusPaul Hirose8 Aug 2016, 06:05
Re: Windows lunar distance program v. 4.0.2.0Paul Hirose5 Aug 2016, 05:29
Re: HO 211 with Sadler methodPaul Hirose26 Jul 2016, 20:05
Re: HO 211 with Sadler methodPaul Hirose23 Jul 2016, 04:34
Re: 60° Pendulum AstrolabePaul Hirose21 Jul 2016, 09:18
HO 211 with Sadler methodPaul Hirose19 Jul 2016, 05:17
Re: Compact H.O. 211 (Ageton-Bayless) questionPaul Hirose15 Jul 2016, 23:42
Re: Leap second in DecemberPaul Hirose10 Jul 2016, 05:56
Leap second in DecemberPaul Hirose9 Jul 2016, 21:22
Re: Updated Windows lunar distance program v. 4.0.1.0Paul Hirose6 Jul 2016, 18:36
Re: Updated Windows lunar distance program v. 4.0.1.0Paul Hirose5 Jul 2016, 21:38
Updated Windows lunar distance program v. 4.0.1.0Paul Hirose4 Jul 2016, 04:34
Re: HO 211 (Ageton) sight reduction accuracyPaul Hirose29 Jun 2016, 05:57
Re: HO 211 (Ageton) sight reduction accuracyPaul Hirose23 Jun 2016, 04:42
Re: HO 211 (Ageton) sight reduction accuracyPaul Hirose19 Jun 2016, 05:39
Re: HO 211 (Ageton) sight reduction accuracyPaul Hirose15 Jun 2016, 19:01
HO 211 (Ageton) sight reduction accuracyPaul Hirose12 Jun 2016, 04:42
Re: The Wild T4 Theodolite - Don't Sneeze!Paul Hirose3 Apr 2016, 17:54
Re: Smithsonian "Time and Navigation" exhibit updatedPaul Hirose3 Apr 2016, 05:36
Re: The Wild T4 Theodolite - Don't Sneeze!Paul Hirose3 Apr 2016, 05:11
Re: Why a silver index scale?Paul Hirose27 Mar 2016, 19:49
Coordinates from IMCCE and JPL HORIZONSPaul Hirose14 Mar 2016, 22:17
Re: Henning Umland's long term almanac. Is it wrong?Paul Hirose26 Feb 2016, 21:19
Re: Henning Umland's long term almanac. Is it wrong?Paul Hirose26 Feb 2016, 05:14
Re: Celestial data for the planet MercuryPaul Hirose25 Feb 2016, 07:36
Re: Celestial data for the planet MercuryPaul Hirose24 Feb 2016, 05:27
Re: USCG approves use of electronic chartsPaul Hirose12 Feb 2016, 00:53
Re: Navigation using satellite doppler shiftPaul Hirose31 Jan 2016, 19:30
B-52 navigator chart from 1969Paul Hirose31 Jan 2016, 07:11
Re: Star CN with DSLR CameraPaul Hirose28 Jan 2016, 22:18
Re: Traditional navigation by slide rulePaul Hirose23 Jan 2016, 01:47
Re: Traditional navigation by slide rulePaul Hirose21 Jan 2016, 04:41
Re: Traditional navigation by slide rulePaul Hirose9 Jan 2016, 06:31
Re: Is Sextant a generic word?Paul Dolkas10 Dec 2016, 19:06
Re: Is Sextant a generic word?Paul Dolkas9 Dec 2016, 21:19
Re: Kollsman periscopic sextant mountPaul Dolkas29 Nov 2016, 22:28
Re: Traditional navigation by slide rulePaul Dolkas28 Oct 2016, 16:57
Re: Traditional navigation by slide rulePaul Dolkas20 Oct 2016, 17:11
Re: Traditional navigation by slide rulePaul Dolkas14 Oct 2016, 21:10
Re: Traditional navigation by slide rulePaul Dolkas14 Oct 2016, 04:51
Re: Restored WWII Link A-12 Bubble Sextant F.S.Paul Dolkas13 Sep 2016, 03:58
Re: Restored WWII Link A-12 Bubble Sextant F.S.Paul Dolkas11 Sep 2016, 20:32
Re: Restored WWII Link A-12 Bubble Sextant F.S.Paul Dolkas9 Sep 2016, 05:04
Re: Restored WWII Link A-12 Bubble Sextant F.S.Paul Dolkas8 Sep 2016, 03:25
Re: LED conversion Astra IIIBPaul Dolkas25 Aug 2016, 03:44
Re: LED conversion Astra IIIBPaul Dolkas19 Aug 2016, 06:11
Re: LED conversion Astra IIIBPaul Dolkas19 Aug 2016, 04:35
Re: Sextant accuracy and possibility of future improvementPaul Dolkas25 Jul 2016, 04:23
Re: Sextant accuracy and possibility of future improvementPaul Dolkas22 Jul 2016, 05:07
Re: Sextant accuracy and possibility of future improvementPaul Dolkas21 Jul 2016, 04:28
Re: Sextant accuracy and possibility of future improvementPaul Dolkas21 Jul 2016, 03:59
Re: Sextant accuracy and possibility of future improvementPaul Dolkas20 Jul 2016, 04:15
Re: Neat video about LEM stellar alignment scopePaul Dolkas11 Jun 2016, 22:35
Re: Neat video about LEM stellar alignment scopePaul Dolkas11 Jun 2016, 17:03
Re: Neat video about LEM stellar alignment scopePaul Dolkas11 Jun 2016, 07:23
Re: Neat video about LEM stellar alignment scopePaul Dolkas10 Jun 2016, 04:27
Re: Neat video about LEM stellar alignment scopePaul Dolkas10 Jun 2016, 04:10
Re: Neat video about LEM stellar alignment scopePaul Dolkas9 Jun 2016, 03:32
Re: Navigation - a state of mind?Paul Dolkas3 Jun 2016, 03:54
Re: Orbital navigation computer in OregonPaul Dolkas17 May 2016, 15:29
Re: The moons of Jupiter for Time or Position?Paul Dolkas7 May 2016, 20:42
Re: Celestial position-finding on landPaul Dolkas3 May 2016, 16:00
Re: Why a silver index scale?Paul Dolkas26 Mar 2016, 21:16
Re: A One-Hour Presentation on Celestial NavigationPaul Dolkas3 Mar 2016, 22:16
Re: CN on MarsPaul Dolkas7 Feb 2016, 01:51
Re: Space sextantsPaul Dolkas25 Jan 2016, 04:57
Re: Traditional navigation by slide rule (correction)Paul Dolkas12 Jan 2016, 05:54
Re: Traditional navigation by slide rulePaul Dolkas12 Jan 2016, 05:43
Re: SolargramPaul Dolkas7 Jan 2016, 03:26
Re: SolargramPaul Dolkas6 Jan 2016, 05:53
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionPaul Dolkas5 Jan 2016, 05:43
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionPaul Dolkas3 Jan 2016, 23:58
Re: Fluids for Bubble Sextants and Sealing Methods--Paul D.Paul Dolkas3 Jan 2016, 21:39
Re: Hughes Tables.Paul Bedel4 Sep 2016, 19:03
Re: Hughes Tables.Paul Bedel2 Sep 2016, 19:12
Re: Hughes Tables.Paul Bedel29 Aug 2016, 12:48
Re: Capella - Betelgeuse - CanopusPaul Bedel6 Aug 2016, 12:55
Re: U-boat Celestial Navigation WWIIPaul Bedel11 Apr 2016, 15:19
Re: U-boat Celestial Navigation WWIIPaul Bedel10 Apr 2016, 09:46
Re: G F Martelli versus G PouvreauPaul Bedel13 Mar 2016, 18:10
Re: G F Martelli versus G PouvreauPaul Bedel13 Mar 2016, 10:34
G F Martelli versus G PouvreauPaul Bedel12 Mar 2016, 17:37
Re: Nautical or Statute Miles for Air NavigationPaolo Borchetta24 Nov 2016, 03:11
Re: Speed of SunsetNorm Goldblatt27 Sep 2016, 07:23
Speed of SunsetNorm Goldblatt26 Sep 2016, 21:20
Re: Official star namesNorm Goldblatt16 Sep 2016, 07:10
Re: Mars Saturn and AntaresNorm Goldblatt1 Sep 2016, 16:30
Re: Skywatcher QuizzNorm Goldblatt24 Jul 2016, 23:14
Re: Skywatcher QuizzNorm Goldblatt24 Jul 2016, 23:10
Re: Poll: Beetlejuice or BettlegherzNorm Goldblatt19 Jul 2016, 22:26
Re: Thoughts on why 'north' is at the top of maps (BBC)Norm Goldblatt1 Jul 2016, 05:16
Re: The moons of Jupiter for Time or Position?Norm Goldblatt8 May 2016, 02:26
Re: Celestial position-finding on landNorm Goldblatt3 May 2016, 06:39
Re: SundialNorm Goldblatt1 May 2016, 02:35
Re: A One-Hour Presentation on Celestial NavigationNorm Goldblatt5 Mar 2016, 02:17
Re: Best way to record time for solo sightsNorm Goldblatt16 Feb 2016, 20:35
Wave PilotingNorm Goldblatt2 Feb 2016, 23:16
Re: Star CN with DSLR CameraNorm Goldblatt29 Jan 2016, 17:55
Mawson's awesome Antarctic adventureNorm Goldblatt26 Jan 2016, 23:02
Re: A wonderful dawn with all four planetsNorm Goldblatt22 Jan 2016, 19:00
Re: Aldebaran occultation tonightNorm Goldblatt20 Jan 2016, 02:58
Re: A wonderful dawn with all four planetsNorm Goldblatt19 Jan 2016, 14:36
Re: Celestial a Black Box?Norm Goldblatt18 Jan 2016, 22:41
Re: Celestial a Black Box?Norm Goldblatt18 Jan 2016, 02:20
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionNorm Goldblatt3 Jan 2016, 22:11
Re: A Navlist member is getting an awardNoell Wilson13 Dec 2016, 02:35
Re: Nautical or Statute Miles for Air NavigationNoell Wilson24 Nov 2016, 03:13
14th century ships found in Black SeaNoell Wilson12 Nov 2016, 16:27
Re: Traditional navigation by slide ruleNoell Wilson9 Nov 2016, 17:39
Re: Davis MK3 & Casio Watch Mod.Noell Wilson31 Oct 2016, 20:03
Re: Traditional navigation by slide ruleNoell Wilson29 Oct 2016, 22:54
Re: Vernier Scale on Box SextantNoell Wilson12 Sep 2016, 00:21
Katherine JohnsonNoell Wilson4 Aug 2016, 22:19
Re: Sextant RepairsNoell Wilson25 Jul 2016, 17:44
Re: Sextant RepairsNoell Wilson25 Jul 2016, 17:40
Re: 60° Pendulum AstrolabeNoell Wilson21 Jul 2016, 02:48
Re: AzimuthsNoell Wilson6 Jul 2016, 17:17
Re: Not "zooming in" on GPS display leads to another incidentNoell Wilson1 Jul 2016, 14:59
Re: Whyle Thomson & Co GlasgowNoell Wilson15 Jun 2016, 03:19
Re: Navigation - a state of mind?Noell Wilson3 Jun 2016, 12:40
Re: The Observer’s Book on Astro-NavigationNoell Wilson3 Apr 2016, 02:10
Re: Advice on Box SextantNoell Wilson28 Mar 2016, 16:34
The ultimate mechanical watch - for lessNoell Wilson4 Mar 2016, 18:46
Re: Astronomy & math in ancient BabylonNoell Wilson1 Feb 2016, 04:26
Astronomy & math in ancient BabylonNoell Wilson31 Jan 2016, 16:26
Re: Traditional navigation by slide ruleNoell Wilson17 Jan 2016, 17:04
Re: U-boat Celestial Navigation WWIINoell Wilson9 Jan 2016, 10:49
Re: Traditional navigation by slide ruleNoell Wilson7 Jan 2016, 02:18
Re: The Wild T4 Theodolite - Don't Sneeze!N Drummond30 Mar 2016, 03:06
Re: Navigational instrument appraisersN Drummond1 Feb 2016, 20:43
"d" correctionsMike Freeman6 Dec 2016, 23:24
Re: Nautical AlmanacMike Burkes20 Jul 2016, 01:03
Re: Nautical AlmanacMike Burkes19 Jul 2016, 17:01
Re: Nautical AlmanacMike Burkes19 Jul 2016, 15:38
Nautical AlmanacMike Burkes19 Jul 2016, 02:08
AE and FN's plane?Mike Burkes3 Jul 2016, 02:44
Re: Used bubble sextantMike Burkes21 Jun 2016, 15:21
Cellphone tetheringMike Burkes2 Jun 2016, 19:19
Re: Celestial position-finding on landMike Burkes3 May 2016, 00:06
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes25 Feb 2016, 02:23
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes20 Feb 2016, 15:58
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes20 Feb 2016, 15:06
Re: Best way to record time for solo sightsMike Burkes12 Feb 2016, 17:33
Re: 18th Century ShipMichael Martin31 May 2016, 23:28
Re: 18th Century ShipMichael Martin31 May 2016, 23:16
Re: 18th Century ShipMichael Martin31 May 2016, 21:44
18th Century ShipMichael Martin31 May 2016, 19:43
Re: Puzzled by Douglas Protractor InstructionsMichael Koblic3 Sep 2016, 22:32
Re: Twitter Cel Nav ChallengeMichael Bradley11 Dec 2016, 14:36
Re: Hav-Doniol Lat/Dec subtractionsMichael Bradley19 Oct 2016, 21:22
Re: Hav-Doniol Lat/Dec subtractionsMichael Bradley17 Oct 2016, 22:48
Re: Graphic tablesMichael Bradley17 Aug 2016, 20:05
Re: Graphic tablesMichael Bradley15 Aug 2016, 22:37
Re: The mathematics of tacking downwindMichael Bradley30 Jul 2016, 16:48
Re: Horizon Shade PolariserMichael Bradley6 May 2016, 22:09
Horizon Shade PolariserMichael Bradley6 May 2016, 09:59
Re: Prose and Poetry and NavigationMichael Bradley27 Apr 2016, 09:03
Interpolating Freiberger Yacht Sextant Arc ErrorsMichael Bradley10 Apr 2016, 19:45
Re: Best way to record time for solo sightsMichael Bradley14 Feb 2016, 18:56
Re: Best way to record time for solo sightsMichael Bradley12 Feb 2016, 09:29
Weems Second Setting Navigation WatchMichael Bechtle25 Oct 2016, 22:29
Re: DIY "Bris mini-sextant": what angles to aim for (and other suggestions)?Marty Lyons21 Sep 2016, 12:47
Pelorus UseMarty Lyons18 Aug 2016, 14:34
Re: LED conversion Astra IIIBMarty Lyons18 Aug 2016, 14:26
Re: The Wild T4 Theodolite - Don't Sneeze!Marty Lyons7 Apr 2016, 11:39
Puzzled by Douglas Protractor InstructionsMartin Gardner25 Apr 2016, 18:34
Sextant InformationMarlene Timm10 Aug 2016, 11:31
Re: Sextant RepairsMark Miller24 Jul 2016, 21:35
Re: Best Budget Sextant for Novice Celestial NavigatorsMark Coady13 Nov 2016, 15:15
Re: Death to the Intercept Method!Mark Coady5 Nov 2016, 01:55
Re: V-Correction for Sun? Answer from UKHO...just one more?Mark Coady20 Oct 2016, 01:25
Corner Cosines: The sign of Dh Moon and Dh SunMark Coady5 Oct 2016, 18:26
Q and Thompson's third correction tables.Mark Coady3 Oct 2016, 17:12
Re: Star to star relationshipsMark Coady27 Sep 2016, 16:53
Star to star relationshipsMark Coady27 Sep 2016, 01:30
Re: Modern LunarsMark Coady20 Sep 2016, 03:35
Re: Historical charts and mappingMark Coady19 Aug 2016, 01:03
Re: Historical charts and mappingMark Coady18 Aug 2016, 03:39
Re: More bluster for the Year of StupidMark Coady13 Aug 2016, 02:17
Re: GPS jamming concernsMark Coady11 Aug 2016, 02:05
Re: GPS jamming concernsMark Coady10 Aug 2016, 17:15
Re: GPS jamming concernsMark Coady9 Aug 2016, 20:07
Re: GPS jamming concernsMark Coady9 Aug 2016, 17:26
Re: What are the impacts created by Vagaries of refractionMark Coady4 Aug 2016, 02:47
Re: Were Short methods really Short?Mark Coady3 Aug 2016, 17:46
What are the impacts created by Vagaries of refractionMark Coady31 Jul 2016, 03:00
Re: 1984 Bowditch questionMark Coady26 Jul 2016, 21:54
Re: 1984 Bowditch questionMark Coady26 Jul 2016, 12:38
Re: 60° Pendulum AstrolabeMark Coady22 Jul 2016, 13:04
Re: 60° Pendulum AstrolabeMark Coady21 Jul 2016, 17:20
Re: And even more celestial-in-case-GPS-goes-down sillinessMark Coady20 Jul 2016, 17:25
Modern Celestial Course at Seaport Very RewardingMark Coady12 Apr 2016, 04:12
Re: The legend of BowditchMark Coady2 Apr 2016, 18:53
Eastbound star after lower transitMark Coady30 Mar 2016, 01:25
Sextant Scope Mounting Optical Design QuestionMark Coady29 Mar 2016, 01:37
Re: 19th century navigators choices & the age of steamMark Coady27 Mar 2016, 08:37
Re: Fine adjust a Davis Mk 3Mark Coady27 Mar 2016, 01:50
19th century navigators choicesMark Coady27 Mar 2016, 01:42
Thoughts on celestial presentations and learning.Mark Coady23 Mar 2016, 04:20
Multiple suns in view on index correction checkMark Coady22 Mar 2016, 01:28
Re: Threats to GPS and introduction of eLORANMark Coady31 Jan 2016, 03:09
Re: Spherical triangle split by right trianglesMark Coady25 Jan 2016, 01:43
Spherical triangle split by right trianglesMark Coady22 Jan 2016, 18:29
Re: Air vs. water: MOB and MOO table corrections in HO 249Mark Coady8 Jan 2016, 17:10
Re: Traditional navigation by slide ruleMark Coady7 Jan 2016, 02:31
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionMark Coady5 Jan 2016, 16:04
Ex-meridian reasoning muddle?Mark Coady5 Jan 2016, 02:36
Re: Golden Globe Race NavigationManuel Cruz29 Dec 2016, 00:33
Re: USCG approves use of electronic chartsManuel Cruz11 Feb 2016, 20:18
Re: Name for sixty nautical milesMagnus Sjoquist18 Mar 2016, 10:24
Re: Name for sixty nautical milesMagnus Sjoquist17 Mar 2016, 17:27
Re: Name for sixty nautical milesMagnus Sjoquist17 Mar 2016, 17:21
AN-5854-1 Bubble Sextant (Bausch & Lomb)Ludwig Redl21 May 2016, 16:55
Re: Great Circle Course via calculator & HO 208Luc Van den Borre7 Oct 2016, 08:12
Re: Searching for the "article of George Huxtable on logarithmic computations"Luc Van den Borre23 Sep 2016, 12:32
Re: Setting seconds on a digital displayLuc Van den Borre24 Aug 2016, 12:53
Re: Mysterious celestial measurementLuc Van den Borre1 Jul 2016, 15:03
Re: Mysterious celestial measurementLuc Van den Borre1 Jul 2016, 14:50
Re: French Sailing Legend Ditching Modern TechLuc Van den Borre3 May 2016, 07:26
Re: Fine adjust a Davis Mk 3Luc Van den Borre26 Mar 2016, 11:08
Re: What is this on this sextantLuc Van den Borre20 Feb 2016, 17:45
Re: Celestial a Black Box?Luc Van den Borre17 Jan 2016, 22:50
Re: Sextant platform for lunarsLuc Desmedt18 Jul 2016, 15:02
Re: USNS Bowditch - also Slocum!Lu Abel18 Dec 2016, 01:13
Re: The lie of the land: when map ma kers get it wrong �� in p ictures Books The GuardianLu Abel12 Dec 2016, 20:08
Re: Is Sextant a generic word?Lu Abel10 Dec 2016, 16:27
Re: Best Budget Sextant for Novice Celestial NavigatorsLu Abel10 Nov 2016, 21:31
Re: GPS out by milesLu Abel2 Nov 2016, 01:15
Re: A rate of change ruleLu Abel31 Oct 2016, 17:04
Re: A rate of change ruleLu Abel31 Oct 2016, 04:18
Re: A rate of change ruleLu Abel31 Oct 2016, 04:12
Re: Sun even nearer zenithLu Abel27 Sep 2016, 19:43
Re: Speed of SunsetLu Abel26 Sep 2016, 23:14
Re: Lose the war if it's cloudyLu Abel8 Sep 2016, 17:22
Re: GPS jamming concernsLu Abel11 Aug 2016, 02:14
Re: GPS jamming concernsLu Abel10 Aug 2016, 14:57
Re: Navy wig wagLu Abel10 Aug 2016, 05:59
Re: GPS jamming concernsLu Abel10 Aug 2016, 01:43
Re: GPS jamming concernsLu Abel9 Aug 2016, 21:57
Re: GPS jamming concernsLu Abel9 Aug 2016, 21:39
Re: GPS jamming concernsLu Abel9 Aug 2016, 19:48
Re: Setting a course when sailing into the wind.Lu Abel28 Jul 2016, 17:26
Re: Sextant RepairsLu Abel25 Jul 2016, 05:35
Re: Sextant accuracy and possibility of future improvementLu Abel21 Jul 2016, 18:26
Re: Sextant accuracy and possibility of future improvementLu Abel21 Jul 2016, 18:03
Re: Sextant accuracy and possibility of future improvementLu Abel21 Jul 2016, 17:27
Re: Sextant accuracy and possibility of future improvementLu Abel19 Jul 2016, 19:55
Re: And even more celestial-in-case-GPS-goes-down sillinessLu Abel19 Jul 2016, 18:43
And even more celestial-in-case-GPS-goes-down sillinessLu Abel18 Jul 2016, 17:33
Re: Visual Satellite NavigationLu Abel11 Jul 2016, 16:25
Re: Leap second in DecemberLu Abel9 Jul 2016, 23:41
Re: Sextants at SeaLu Abel22 Jun 2016, 00:26
Re: Navigation - a state of mind?Lu Abel1 Jun 2016, 23:35
Re: G-Capt on Celestial Nav in the commercial world.Lu Abel12 May 2016, 17:17
Re: A navigational featLu Abel29 Apr 2016, 17:00
Re: Stanford Rumsey Map Center opens tomorrow!Lu Abel18 Apr 2016, 17:45
Re: A One-Hour Presentation on Celestial NavigationLu Abel6 Mar 2016, 00:07
Re: A One-Hour Presentation on Celestial NavigationLu Abel3 Mar 2016, 20:19
Re: A One-Hour Presentation on Celestial NavigationLu Abel3 Mar 2016, 19:15
MHHWLu Abel17 Feb 2016, 20:20
Re: Best way to record time for solo sightsLu Abel11 Feb 2016, 22:58
Re: USCG approves use of electronic chartsLu Abel11 Feb 2016, 22:55
Re: USCG approves use of electronic chartsLu Abel11 Feb 2016, 22:31
Re: USCG approves use of electronic chartsLu Abel10 Feb 2016, 21:40
Re: Threats to GPS and introduction of eLORANLu Abel1 Feb 2016, 01:09
Re: U.S. Naval Academy Reinstates CelestialLu Abel28 Jan 2016, 17:34
Re: U.S. Naval Academy Reinstates CelestialLu Abel27 Jan 2016, 23:41
Re: U.S. Naval Academy Reinstates CelestialLu Abel27 Jan 2016, 19:27
Re: U.S. Naval Academy Reinstates CelestialLu Abel26 Jan 2016, 20:20
Re: U.S. Naval Academy Reinstates CelestialLu Abel23 Jan 2016, 22:19
Re: Celestial a Black Box?Lu Abel17 Jan 2016, 22:55
Re: Traditional navigation by slide rule (correction)Lu Abel11 Jan 2016, 00:57
What might this be?Lenny Lyons17 Apr 2016, 16:16
Re: Captains Logbook from 1687 describes longitudeLars Bergman1 Dec 2016, 17:15
Re: Celestial position-finding on landKen Muldrew4 May 2016, 01:38
Re: Margett's Tables/graphical longitude.Ken Muldrew15 Jan 2016, 03:03
Re: Margett's Tables/graphical longitude.Ken Muldrew14 Jan 2016, 02:58
Re: Twitter Cel Nav ChallengeKen Gebhart11 Dec 2016, 04:53
Re: Restored WWII Link A-12 Bubble Sextant F.S.Ken Gebhart13 Sep 2016, 16:44
Re: Restored WWII Link A-12 Bubble Sextant F.S.Ken Gebhart12 Sep 2016, 18:58
Re: Restored WWII Link A-12 Bubble Sextant F.S.Ken Gebhart9 Sep 2016, 19:44
Re: Restored WWII Link A-12 Bubble Sextant F.S.Ken Gebhart8 Sep 2016, 21:59
Re: Sextant RepairsKen Gebhart25 Jul 2016, 04:09
Re: A One-Hour Presentation on Celestial NavigationKen Gebhart10 Mar 2016, 23:30
Re: A One-Hour Presentation on Celestial NavigationKen Gebhart5 Mar 2016, 02:54
Re: Advice on Box SextantJürgen Hoefeld3 Apr 2016, 20:11
Re: The Wild T4 Theodolite - Don't Sneeze!Juerg Dedual7 Apr 2016, 20:55
Bris Sextant Solar FilterJosh Paterson15 Jun 2016, 20:33
Re: USCG approves use of electronic chartsJorge Santos11 Feb 2016, 20:20
Telescope for Leupold & Stevens SextantJohn Shepard9 Jul 2016, 23:45
Re: Was this optical instrument designed forcelestialnavigation?John Morris9 Feb 2016, 17:55
Re: Was this optical instrument designed forcelestial navigation?John Morris4 Feb 2016, 15:50
Re: Was this optical instrument designed forcelestial navigation?John Morris4 Feb 2016, 15:44
Re: A "three dimensional slide-rule" for celestialJohn Morris4 Feb 2016, 07:30
Re: Was this optical instrument designed for celestial navigation?John Morris4 Feb 2016, 07:20
Re: Was this optical instrument designed for celestial navigation?John Morris4 Feb 2016, 01:24
Re: Was this optical instrument designed for celestial navigation?John Morris3 Feb 2016, 17:22
Re: Was this optical instrument designed for celestial navigation?John Morris3 Feb 2016, 03:24
Re: Was this optical instrument designed for celestial navigation?John Morris2 Feb 2016, 23:01
Was this optical instrument designed for celestial navigation?John Morris2 Feb 2016, 18:56
Re: What is this on this sextantJohn Lance23 Feb 2016, 07:20
Re: What is this on this sextantJohn Lance22 Feb 2016, 22:31
Gago Coutinho style bubble horizonJohn Lance22 Feb 2016, 18:29
Re: First Venus sightJohn D. Howard31 Dec 2016, 02:22
Re: The Sun does not stop for anyoneJohn D. Howard30 Dec 2016, 19:54
Re: The Sun does not stop for anyoneJohn D. Howard30 Dec 2016, 19:37
Re: The Sun does not stop for anyoneJohn D. Howard30 Dec 2016, 19:25
Re: The Sun does not stop for anyoneJohn D. Howard30 Dec 2016, 15:17
Re: The Sun does not stop for anyoneJohn D. Howard30 Dec 2016, 01:18
Re: The Sun does not stop for anyoneJohn D. Howard29 Dec 2016, 16:30
Re: The Sun does not stop for anyoneJohn D. Howard28 Dec 2016, 19:09
Re: The Sun does not stop for anyoneJohn D. Howard28 Dec 2016, 16:56
Re: The Sun does not stop for anyoneJohn D. Howard27 Dec 2016, 14:53
Re: The Sun does not stop for anyoneJohn D. Howard24 Dec 2016, 17:08
Re: Summer SolsticeJohn D. Howard24 Dec 2016, 03:00
Re: The Sun does not stop for anyoneJohn D. Howard24 Dec 2016, 02:56
Re: Summer SolsticeJohn D. Howard24 Dec 2016, 02:28
Re: The Sun does not stop for anyoneJohn D. Howard17 Dec 2016, 22:14
Re: The Sun does not stop for anyoneJohn D. Howard17 Dec 2016, 16:33
Re: A Navlist member is getting an awardJohn D. Howard12 Dec 2016, 22:17
Re: Is Sextant a generic word?John D. Howard9 Dec 2016, 20:21
Re: Is Sextant a generic word?John D. Howard9 Dec 2016, 05:44
Is Sextant a generic word?John D. Howard8 Dec 2016, 19:27
Re: Long by ChronJohn D. Howard29 Nov 2016, 17:28
Re: Death to the Intercept Method!John D. Howard4 Nov 2016, 23:00
Re: Doing my homeworkJohn D. Howard3 Nov 2016, 23:52
Re: Doing my homeworkJohn D. Howard3 Nov 2016, 19:04
Re: Celestial navigation classes: looking for suggestions...John D. Howard26 Oct 2016, 21:48
Re: V-Correction for Sun? Answer from UKHO...just one more?John D. Howard20 Oct 2016, 02:07
Re: Accuracy of celestial navigationJohn D. Howard17 Oct 2016, 14:08
Re: V-Correction for Sun? Answer from UKHO...John D. Howard17 Oct 2016, 03:18
Re: V-Correction for Sun?John D. Howard16 Oct 2016, 16:43
Re: V-Correction for Sun? Answer from UKHO...John D. Howard16 Oct 2016, 15:25
Re: V-Correction for Sun? Answer from UKHO...John D. Howard15 Oct 2016, 14:08
Re: V-Correction for Sun? Answer from UKHO...John D. Howard13 Oct 2016, 15:26
Re: How far away can you see landJohn D. Howard25 Sep 2016, 00:02
Re: How far away can you see landJohn D. Howard24 Sep 2016, 02:11
How far away can you see landJohn D. Howard23 Sep 2016, 21:23
Re: Zenith or zeenithJohn D. Howard13 Sep 2016, 17:29
Air Almanac 2017John D. Howard13 Sep 2016, 15:35
Re: LED conversion Astra IIIBJohn D. Howard25 Aug 2016, 15:56
Re: Historical charts and mappingJohn D. Howard19 Aug 2016, 21:26
Re: More bluster for the Year of StupidJohn D. Howard12 Aug 2016, 18:17
Re: GPS jamming concernsJohn D. Howard10 Aug 2016, 21:46
Re: Were Short methods really Short?John D. Howard3 Aug 2016, 16:43
Re: HO 211 with Sadler methodJohn D. Howard27 Jul 2016, 19:39
Re: HO 211 with Sadler methodJohn D. Howard27 Jul 2016, 16:39
Re: HO 211 with Sadler methodJohn D. Howard27 Jul 2016, 13:43
Re: HO 211 with Sadler methodJohn D. Howard27 Jul 2016, 03:44
Re: Telescope for a 9 year old?John D. Howard23 Jul 2016, 14:32
Re: Sextant accuracy and possibility of future improvementJohn D. Howard21 Jul 2016, 21:14
Re: Sextant accuracy and possibility of future improvementJohn D. Howard20 Jul 2016, 18:52
Re: Sextant accuracy and possibility of future improvementJohn D. Howard20 Jul 2016, 12:26
Re: Nautical AlmanacJohn D. Howard19 Jul 2016, 03:27
Re: Horizontal Sextant Angle ExerciseJohn D. Howard18 Jul 2016, 18:25
Re: Horizontal Sextant Angle ExerciseJohn D. Howard18 Jul 2016, 17:21
Re: Poll: Beetlejuice or BettlegherzJohn D. Howard12 Jul 2016, 02:30
Re: Mysterious celestial measurementJohn D. Howard1 Jul 2016, 14:55
Re: Thoughts on why 'north' is at the top of maps (BBC)John D. Howard1 Jul 2016, 03:56
Re: AM and PM time sightsJohn D. Howard28 Jun 2016, 18:05
Re: Thoughts on why 'north' is at the top of maps (BBC)John D. Howard16 Jun 2016, 19:59
Re: Thoughts on why 'north' is at the top of maps (BBC)John D. Howard16 Jun 2016, 04:08
Re: Thoughts on why 'north' is at the top of maps (BBC)John D. Howard15 Jun 2016, 17:09
Re: Navigation - a state of mind?John D. Howard3 Jun 2016, 00:06
Re: Learn to Love LogarithmsJohn D. Howard16 May 2016, 01:20
Re: Whaling logbooksJohn D. Howard16 May 2016, 00:38
Re: Whaling logbooksJohn D. Howard14 May 2016, 21:29
Astronomical PhenomenaJohn D. Howard10 May 2016, 15:35
Re: The moons of Jupiter for Time or Position?John D. Howard6 May 2016, 15:10
Re: Celestial position-finding on landJohn D. Howard3 May 2016, 20:29
Re: Celestial position-finding on landJohn D. Howard3 May 2016, 19:10
Re: Celestial position-finding on landJohn D. Howard3 May 2016, 03:44
Celestial position-finding on landJohn D. Howard2 May 2016, 20:10
Re: SundialJohn D. Howard30 Apr 2016, 16:44
Re: Prose and Poetry and NavigationJohn D. Howard27 Apr 2016, 16:47
Re: The Wild T4 Theodolite - Don't Sneeze!John D. Howard7 Apr 2016, 15:06
Re: Balloon SextantsJohn D. Howard28 Mar 2016, 17:28
Re: Balloon SextantsJohn D. Howard28 Mar 2016, 15:14
Re: Kollsman Mounting – Double Good LuckJohn D. Howard17 Mar 2016, 01:37
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?John Carbone6 Sep 2016, 20:49
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown6 Dec 2016, 09:08
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown5 Dec 2016, 11:00
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown2 Dec 2016, 10:40
Re: Puzzled by Douglas Protractor InstructionsJohn Brown7 Sep 2016, 09:24
Re: AstroNav CourseJohn Brown6 Jul 2016, 06:25
Re: Compass CheckJohn Brown22 Mar 2016, 09:28
Re: A One-Hour Presentation on Celestial NavigationJohn Brown11 Mar 2016, 09:30
Re: History of the KamalJohn Brown10 Mar 2016, 13:15
Re: Scale a small area plotting sheet?John Brown2 Mar 2016, 07:41
Re: Best way to record time for solo sightsJohn Brown17 Feb 2016, 09:57
Re: USCG approves use of electronic chartsJohn Brown12 Feb 2016, 18:54
Traditional Navigation in RTW yacht race, 2018John Brown26 Jan 2016, 13:47
Re: Henry Worsley, Antarctic adventurerJohn Brown26 Jan 2016, 09:02
Re: Traditional navigation by slide ruleJohn Brown22 Jan 2016, 14:50
Re: Traditional navigation by slide ruleJohn Brown22 Jan 2016, 10:07
Re: Traditional navigation by slide ruleJohn Brown20 Jan 2016, 21:08
Re: Traditional navigation by slide ruleJohn Brown20 Jan 2016, 11:40
Re: Traditional navigation by slide ruleJohn Brown7 Jan 2016, 11:42
Re: AstroNav CourseJohn Almberg8 Jul 2016, 02:54
Re: AstroNav CourseJohn Almberg6 Jul 2016, 20:31
Re: Bris Sextant Solar FilterJohn Almberg16 Jun 2016, 00:54
Re: Bris Sextant Solar FilterJohn Almberg15 Jun 2016, 22:31
Re: Cellphone tetheringJohn Almberg9 Jun 2016, 02:24
Re: Navigation - a state of mind?John Almberg3 Jun 2016, 14:02
Re: Difference between HO 249 and USNO websiteJohn Almberg18 May 2016, 01:58
Re: Difference between HO 249 and USNO websiteJohn Almberg17 May 2016, 22:24
Re: Difference between HO 249 and USNO websiteJohn Almberg17 May 2016, 21:04
Re: Difference between HO 249 and USNO websiteJohn Almberg17 May 2016, 18:27
Re: Difference between HO 249 and USNO websiteJohn Almberg17 May 2016, 17:08
Difference between HO 249 and USNO websiteJohn Almberg17 May 2016, 14:33
That's really niceJoe Lynch14 Aug 2016, 02:33
Re: Nautical Almanac sight reduction by calculationJim Rives15 Feb 2016, 04:31
Nautical Almanac sight reduction by calculationJim Rives14 Feb 2016, 18:27
Re: Dip from ShoreJim Rives9 Feb 2016, 18:44
Dip from ShoreJim Rives7 Feb 2016, 20:45
Re: U.S. Naval Academy Reinstates CelestialJim Rives27 Jan 2016, 22:13
Re: U.S. Naval Academy Reinstates CelestialJim Rives27 Jan 2016, 14:42
Cryptic Slide Rule FormulaeJim Rives20 Jan 2016, 20:58
Re: U-boat Celestial Navigation WWIIJerry Mason14 Apr 2016, 16:10
Re: U-boat Celestial Navigation WWIIJerry Mason12 Apr 2016, 22:15
Re: U-boat Celestial Navigation WWIIJerry Mason12 Apr 2016, 14:58
Re: U-boat Celestial Navigation WWIIJerry Mason11 Apr 2016, 21:24
Re: U-boat Celestial Navigation WWIIJerry Mason10 Apr 2016, 12:33
U-boat Celestial Navigation WWIIJerry Mason9 Apr 2016, 16:12
Re: U-boat Celestial Navigation WWIIJerry Mason13 Jan 2016, 18:47
Re: U-boat Celestial Navigation WWIIJerry Mason12 Jan 2016, 13:07
Re: U-boat Celestial Navigation WWIIJerry Mason9 Jan 2016, 12:27
Re: U-boat Celestial Navigation WWIIJerry Mason8 Jan 2016, 12:47
U-boat Celestial Navigation WWIIJerry Mason7 Jan 2016, 14:35
Re: Book for Mailing costsJeremy C21 Apr 2016, 01:37
Re: Book for Mailing costsJeremy C15 Apr 2016, 03:21
Book for Mailing costsJeremy C13 Apr 2016, 23:40
Re: Practical lunars in today's worldJeremy C5 Apr 2016, 11:17
Re: Sextant InformationJean-Philippe Planas11 Aug 2016, 12:06
Davis MK25 - Sticky Index ArmJames Hadley24 Aug 2016, 14:37
Re: Kollsman periscopic sextant mount AFNOA has 5 models of D-1James Bradley28 Aug 2016, 11:54
Re: Toward a reedition of "Histoire generale de la navigation" by F. MarguetJackson McDonald31 Dec 2016, 21:28
Re: LAN Example for ON Nov/Dec IssueJackson McDonald22 Dec 2016, 20:41
The lie of the land: when map makers get it wrong –  in pictures Books The GuardianJackson McDonald11 Dec 2016, 20:15
Re: Celestial Navigation in the MoviesJackson McDonald5 Dec 2016, 20:58
Celestial Cartography Is in the Midst of a Dramatic Upgrade - Scientific AmericanJackson McDonald5 Dec 2016, 14:40
Re: Blackburn's C2 table...a rambleJackson McDonald4 Dec 2016, 11:47
"Super-Lune du siècle"Jackson McDonald14 Nov 2016, 17:13
Re: Celestial navigation classes: looking for suggestions...Jackson McDonald26 Oct 2016, 23:20
Re: Disney's celestial navigation movieJackson McDonald20 Oct 2016, 18:45
Antikythera mechanismJackson McDonald17 Oct 2016, 14:19
Venetian NavList memberJackson McDonald4 Oct 2016, 00:55
Fifty years since Chichester set sail - SailfeedJackson McDonald2 Sep 2016, 23:34
Re: Summer readingJackson McDonald31 Aug 2016, 16:10
Re: Summer ViewingJackson McDonald30 Aug 2016, 21:15
Re: Summer readingJackson McDonald30 Aug 2016, 18:41
Re: Summer readingJackson McDonald30 Aug 2016, 15:39
Summer readingJackson McDonald30 Aug 2016, 15:01
Re: Museo Naval, MadridJackson McDonald2 Aug 2016, 16:32
Sextant auction in New ZealandJackson McDonald7 Jul 2016, 13:31
Re: AzimuthsJackson McDonald6 Jul 2016, 23:59
Re: Not "zooming in" on GPS display leads to another incidentJackson McDonald2 Jul 2016, 01:16
Re: Ten years managing NavListJackson McDonald2 Jul 2016, 00:13
Re: Wonderful new biography of Nathaniel BowditchJackson McDonald29 Jun 2016, 22:56
Re: Patrick O'Brian characters discuss time andlongitudeJackson McDonald26 Jun 2016, 21:04
Re: Human Navigation bookJackson McDonald15 May 2016, 23:28
Re: Human Navigation bookJackson McDonald15 May 2016, 20:26
Better Aging Through Celestial Navigation?Jackson McDonald9 May 2016, 15:13
Re: The moons of Jupiter for Time or Position?Jackson McDonald6 May 2016, 00:21
South Korea Revives GPS Backup ProjectJackson McDonald3 May 2016, 23:11
French Sailing Legend Ditching Modern TechJackson McDonald2 May 2016, 18:32
Human Navigation bookJackson McDonald22 Apr 2016, 15:07
Re: RMS Carpathia sextant for re-auction.Jackson McDonald20 Apr 2016, 21:41
B-29 photosJackson McDonald16 Apr 2016, 22:58
Thomas Jefferson's sundialJackson McDonald19 Mar 2016, 15:42
18th-Century Surveyor's Case of Mathematical InstrumentsJackson McDonald1 Mar 2016, 16:15
Maritime Casualty News: GPS noticeJackson McDonald25 Feb 2016, 20:18
Tragedy strikes TWA aircraft navigatorJackson McDonald16 Feb 2016, 20:53
Re: USCG approves use of electronic chartsJackson McDonald12 Feb 2016, 20:03
Europe's eLoran scheme faltersJackson McDonald10 Feb 2016, 21:17
USCG approves use of electronic chartsJackson McDonald10 Feb 2016, 20:58
150 years of tide tablesJackson McDonald28 Jan 2016, 17:12
Mystic Seaport in WinterJackson McDonald24 Jan 2016, 16:17
Re: A wonderful dawn with all four planetsJackson McDonald22 Jan 2016, 07:51
1822 1st ed American LunarianJackson McDonald7 Jan 2016, 12:09
Re: Compass CheckIan Vaughn24 Mar 2016, 04:39
Re: GPS jamming concernsIan Gifford13 Aug 2016, 16:07
Re: Whaling logbooksIan Gifford22 May 2016, 00:43
Re: Whaling logbooksIan Gifford20 May 2016, 19:50
Re: Whaling logbooksIan Gifford20 May 2016, 12:44
Re: Golden Globe Race NavigationHewitt Schlereth30 Dec 2016, 04:09
Re: Golden Globe Race NavigationHewitt Schlereth29 Dec 2016, 22:16
Re: LAN Example for ON Nov/Dec IssueHewitt Schlereth22 Dec 2016, 21:14
Re: Sun near zenith sightHewitt Schlereth22 Sep 2016, 16:22
Re: Zenith or zeenithHewitt Schlereth13 Sep 2016, 20:51
Re: Lunar contrastHewitt Schlereth12 Sep 2016, 14:35
Re: Lunar contrastHewitt Schlereth11 Sep 2016, 19:12
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Hewitt Schlereth6 Sep 2016, 19:24
Re: Summer readingHewitt Schlereth31 Aug 2016, 16:42
Re: LED conversion Astra IIIBHewitt Schlereth19 Aug 2016, 17:21
Re: Historical charts and mappingHewitt Schlereth17 Aug 2016, 19:56
Re: The mathematics of tacking downwindHewitt Schlereth29 Jul 2016, 17:09
Re: HO 211 with Sadler methodHewitt Schlereth27 Jul 2016, 23:16
Re: Setting a course when sailing into the wind.Hewitt Schlereth27 Jul 2016, 19:24
Re: HO 211 with Sadler methodHewitt Schlereth27 Jul 2016, 18:04
Re: AstroNav CourseHewitt Schlereth6 Jul 2016, 01:43
Re: Real Viking Ship Completes North Atlantic CrossingHewitt Schlereth3 Jul 2016, 16:17
Re: Sunline SagaHewitt Schlereth24 Jun 2016, 18:57
Re: Sextants at SeaHewitt Schlereth21 Jun 2016, 15:18
Re: Wandering PoleHewitt Schlereth27 Apr 2016, 16:00
Re: Prose and Poetry and NavigationHewitt Schlereth27 Apr 2016, 15:11
Re: Advice on Box SextantHewitt Schlereth1 Apr 2016, 22:16
Re: A One-Hour Presentation on Celestial NavigationHewitt Schlereth19 Mar 2016, 04:42
Re: Name for sixty nautical milesHewitt Schlereth18 Mar 2016, 11:57
Re: Name for sixty nautical milesHewitt Schlereth17 Mar 2016, 19:25
Re: Name for sixty nautical milesHewitt Schlereth17 Mar 2016, 18:51
Re: A One-Hour Presentation on Celestial NavigationHewitt Schlereth11 Mar 2016, 04:44
Re: Scale a small area plotting sheet?Hewitt Schlereth2 Mar 2016, 20:08
Re: Traditional navigation by slide ruleHewitt Schlereth24 Feb 2016, 22:02
Re: Traditional navigation by slide ruleHewitt Schlereth22 Feb 2016, 18:22
Re: Sun altitude limits for natural horizon?Hewitt Schlereth21 Feb 2016, 00:09
Re: The Science of TimeHewitt Schlereth14 Feb 2016, 15:47
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth4 Feb 2016, 14:40
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth4 Feb 2016, 06:47
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth3 Feb 2016, 21:42
Re: Star identification puzzleHewitt Schlereth31 Jan 2016, 20:05
Re: U.S. Naval Academy Reinstates CelestialHewitt Schlereth25 Jan 2016, 16:29
Re: Mystic Seaport in WinterHewitt Schlereth25 Jan 2016, 01:23
Re: Mystic Seaport in WinterHewitt Schlereth24 Jan 2016, 20:28
Re: Traditional navigation by slide ruleHewitt Schlereth21 Jan 2016, 21:23
Re: Traditional navigation by slide ruleHewitt Schlereth21 Jan 2016, 01:21
Re: Celestial a Black Box?Hewitt Schlereth19 Jan 2016, 02:01
Re: Celestial a Black Box?Hewitt Schlereth18 Jan 2016, 01:27
Re: Traditional navigation by slide ruleHewitt Schlereth7 Jan 2016, 16:39
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth5 Jan 2016, 02:57
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth4 Jan 2016, 23:05
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth3 Jan 2016, 22:43
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth2 Jan 2016, 17:45
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth1 Jan 2016, 03:34
Re: Is Sextant a generic word?Herman Dekker10 Dec 2016, 07:37
Re: Hello and a question about polarizer sun filtersHerman Dekker8 Dec 2016, 08:42
Re: Hello and a question about polarizer sun filtersHerman Dekker7 Dec 2016, 15:00
Re: USNO Website Down?Herman Dekker23 Nov 2016, 22:48
Table 4 Suns GHA+Dec modifiedHerman Dekker7 Nov 2016, 21:01
Re: Strange goings with a Casio G Shock watchHerman Dekker5 Nov 2016, 17:11
Re: Strange goings with a Casio G Shock watchHerman Dekker5 Nov 2016, 07:49
Re: Poster incorporating the Navigator's log from the Enola Gay for saleHerman Dekker24 Oct 2016, 00:13
Re: A new way to record and time observationsHerman Dekker17 Sep 2016, 22:34
Re: A new way to record and time observationsHerman Dekker17 Sep 2016, 07:17
A-12 sextant smellHerman Dekker16 Sep 2016, 15:34
Re: Sky Map ScreensaverHerman Dekker11 Sep 2016, 05:38
Re: Puzzled by Douglas Protractor InstructionsHerman Dekker5 Sep 2016, 09:27
Re: LED conversion Astra IIIBHerman Dekker25 Aug 2016, 12:28
Re: LED conversion Astra IIIBHerman Dekker19 Aug 2016, 06:47
Re: Cellphone & Sextant tetheringHerman Dekker3 Jun 2016, 20:31
Re: Attempting to decipher a "time sight"Herman Dekker28 May 2016, 16:35
Re: TI-85 Navigation Code.Herman Dekker24 Apr 2016, 20:06
Re: Ebbco Sun Shade ModificationHerman Dekker15 Apr 2016, 05:26
Re: Ebbco Sun Shade ModificationHerman Dekker14 Apr 2016, 10:28
Which Baader Solarfilter for Ebbco sextantHerman Dekker27 Mar 2016, 08:48
Re: Best way to record time for solo sightsHerman Dekker21 Feb 2016, 12:45
Re: Modern CN Ditch KitHerman Dekker18 Feb 2016, 21:35
Re: Polaris LTAHerman Dekker9 Jan 2016, 11:49
Re: Polaris LTAHerman Dekker9 Jan 2016, 08:35
Re: Pistor & Martin's Prismatic SextantHerbert Prinz23 Dec 2016, 15:38
Re: Pistor & Martin's Prismatic SextantHerbert Prinz23 Dec 2016, 07:10
Re: LAN Example for ON Nov/Dec IssueHerbert Prinz23 Dec 2016, 06:17
Re: Pistor & Martin's Prismatic SextantHerbert Prinz23 Dec 2016, 04:01
Re: Is Sextant a generic word?Herbert Prinz10 Dec 2016, 19:26
Re: Is Sextant a generic word?Herbert Prinz10 Dec 2016, 16:02
Re: How Globes were Made in the 1950sHerbert Prinz19 Nov 2016, 05:48
Re: V-Correction for Sun? Answer from UKHO...Herbert Prinz16 Oct 2016, 16:09
Re: V-Correction for Sun?Herbert Prinz16 Oct 2016, 16:04
Re: V-Correction for Sun?Herbert Prinz15 Oct 2016, 00:22
Re: V-Correction for Sun? Answer from UKHO...Herbert Prinz14 Oct 2016, 16:51
Re: V-Correction for Sun?Herbert Prinz14 Oct 2016, 15:54
Re: Havnetid/hamntidHerbert Prinz8 Oct 2016, 17:43
Havnetid/hamntidHerbert Prinz8 Oct 2016, 17:36
Re: Great Circle Course via calculator & HO 208Herbert Prinz3 Oct 2016, 18:29
Re: Speed of SunsetHerbert Prinz2 Oct 2016, 04:34
Re: Speed of SunsetHerbert Prinz2 Oct 2016, 03:46
Re: Speed of SunsetHerbert Prinz1 Oct 2016, 12:35
Re: Star to star relationshipsHerbert Prinz27 Sep 2016, 22:39
Re: Star to star relationshipsHerbert Prinz27 Sep 2016, 06:40
Re: Speed of SunsetHerbert Prinz27 Sep 2016, 05:28
Re: Speed of SunsetHerbert Prinz27 Sep 2016, 03:48
Re: V-Correction for Sun?Herbert Prinz25 Sep 2016, 16:19
Re: Official star namesHerbert Prinz16 Sep 2016, 07:11
Re: Latitude by midnight sunHerbert Prinz17 Aug 2016, 13:08
Re: Leap second in DecemberHerbert Prinz9 Jul 2016, 23:17
Math versus Maths, was: AstroNav CourseHerbert Prinz8 Jul 2016, 11:26
Re: Patrick O'Brian characters discuss time and longitudeHerbert Prinz26 Jun 2016, 23:06
Re: Patrick O'Brian characters discuss time and longitudeHerbert Prinz26 Jun 2016, 17:10
Re: The Length of a DayHerbert Prinz28 May 2016, 03:20
Re: Slide rule for lunars?Herbert Prinz4 Apr 2016, 00:25
Re: Celestial data for the planet MercuryHerbert Prinz24 Feb 2016, 15:40
Re: Celestial data for the planet MercuryHerbert Prinz24 Feb 2016, 07:08
Re: CN on MarsHerbert Prinz6 Feb 2016, 23:46
Re: CN on MarsHerbert Prinz6 Feb 2016, 23:39
Re: CN on MarsHerbert Prinz6 Feb 2016, 16:31
Re: Time of Sun & Moon rise and setHerbert Prinz5 Feb 2016, 16:00
Re: A "three dimensional slide-rule" for celestialHerbert Prinz3 Feb 2016, 06:14
Re: Golden Globe Race NavigationHenry Halboth31 Dec 2016, 06:12
Re: Golden Globe Race NavigationHenry Halboth30 Dec 2016, 04:09
Re: "Point determinatif" translation in englishHenry Halboth13 Dec 2016, 06:48
Re: Celestial Navigation in the MoviesHenry Halboth8 Dec 2016, 04:50
Re: William Bligh's navigation and mappingHenry Halboth12 Aug 2016, 17:51
Re: Cloudy Weather Johnson - Web SiteHenry Halboth8 Aug 2016, 02:18
Re: 1947 Navigation lesson shipboardHenry Halboth5 Aug 2016, 23:36
Re: 1850s Metal Sextant - Hard to read the scalesHenry Halboth26 Jul 2016, 19:59
Re: French Sailing Legend Ditching Modern TechHenry Halboth3 May 2016, 05:00
Re: U-boat Celestial Navigation WWIIHenry Halboth11 Apr 2016, 01:52
Re: Clearing the Lunar Distance via Trig TablesHenry Halboth22 Mar 2016, 19:52
Re: Name for sixty nautical milesHenry Halboth18 Mar 2016, 03:40
Re: Best way to record time for solo sightsHenry Halboth17 Feb 2016, 03:52
Re: Spherical triangle split by right trianglesHenry Halboth23 Jan 2016, 07:50
Re: Celestial a Black Box?Henry Halboth18 Jan 2016, 04:28
Re: 1822 1st ed American LunarianHenry Halboth8 Jan 2016, 19:09
Re: 1822 1st ed American LunarianHenry Halboth8 Jan 2016, 04:20
Re: 1822 1st ed American LunarianHenry Halboth8 Jan 2016, 03:56
Re: AstroNav CourseGuus Dekker8 Jul 2016, 13:07
Weems - US Naval Inst. May 1927 - Rust's Azimuth DiagramGuus Dekker4 Jul 2016, 17:40
Re: Golden Globe Race NavigationGreg Rudzinski31 Dec 2016, 22:28
Re: Hamilton 992B as Marine Chronometer for 2018 GGRGreg Rudzinski31 Dec 2016, 20:22
Hamilton 992B as Marine ChronometerGreg Rudzinski30 Dec 2016, 19:01
Re: Golden Globe Race NavigationGreg Rudzinski30 Dec 2016, 06:01
Re: Golden Globe Race NavigationGreg Rudzinski30 Dec 2016, 03:30
Re: Golden Globe Race NavigationGreg Rudzinski29 Dec 2016, 18:53
Lan By DslrGreg Rudzinski27 Dec 2016, 20:08
Re: The Sun does not stop for anyoneGreg Rudzinski27 Dec 2016, 16:21
Re: The Sun does not stop for anyoneGreg Rudzinski26 Dec 2016, 22:11
Re: AN-5854-1 Bubble Sextant (Bausch & Lomb)Greg Rudzinski26 Dec 2016, 11:55
Re: The Sun does not stop for anyoneGreg Rudzinski24 Dec 2016, 22:17
Underway Daylight 3-Body FixGreg Rudzinski23 Dec 2016, 21:26
LAN Example for ON Nov/Dec IssueGreg Rudzinski22 Dec 2016, 19:16
Re: Personal Equation and Index ErrorGreg Rudzinski21 Dec 2016, 03:27
Re: First Nations Navigation - west coast of British Columbia?Greg Rudzinski20 Dec 2016, 02:16
Re: Celestial navigation in animals?Greg Rudzinski18 Dec 2016, 19:00
Re: The Sun does not stop for anyoneGreg Rudzinski17 Dec 2016, 18:27
Re: USNS BowdtchGreg Rudzinski16 Dec 2016, 18:43
Re: Santa Barbara 2016: 4-LOP fixGreg Rudzinski13 Dec 2016, 18:28
Re: Emergency Meridian AltitudeGreg Rudzinski11 Dec 2016, 22:36
Re: Bris sextantGreg Rudzinski11 Dec 2016, 00:13
Re: Bris sextantGreg Rudzinski11 Dec 2016, 00:03
Re: Emergency Meridian AltitudeGreg Rudzinski9 Dec 2016, 20:24
Re: Celestial Navigation in the MoviesGreg Rudzinski8 Dec 2016, 23:08
Re: Celestial Navigation in the MoviesGreg Rudzinski8 Dec 2016, 19:12
Winter Solstice and Camera CNGreg Rudzinski4 Dec 2016, 22:37
Windjammer SunlineGreg Rudzinski2 Dec 2016, 17:31
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski1 Dec 2016, 18:46
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski1 Dec 2016, 17:35
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski30 Nov 2016, 17:07
Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski29 Nov 2016, 19:08
Re: Traditional navigation by slide ruleGreg Rudzinski24 Nov 2016, 17:56
Daytime Venus AvailableGreg Rudzinski19 Nov 2016, 00:43
Re: "Super-Lune du siècle"Greg Rudzinski14 Nov 2016, 19:38
Best Budget Sextant for Novice Celestial NavigatorsGreg Rudzinski8 Nov 2016, 23:59
Re: A navigation philosophy and landing on MarsGreg Rudzinski1 Nov 2016, 19:41
Re: GPS out by milesGreg Rudzinski1 Nov 2016, 19:27
Re: Doing my homeworkGreg Rudzinski1 Nov 2016, 19:13
Re: Davis MK3 & Casio Watch Mod.Greg Rudzinski1 Nov 2016, 18:54
Re: Davis MK3 & Casio Watch Mod.Greg Rudzinski30 Oct 2016, 20:09
Re: Davis MK3 & Casio Watch Mod.Greg Rudzinski30 Oct 2016, 20:00
Davis MK3 & Casio Watch Mod.Greg Rudzinski29 Oct 2016, 23:52
Re: Celestial navigation classes: looking for suggestions...Greg Rudzinski28 Oct 2016, 01:17
Re: Celestial navigation classes: looking for suggestions...Greg Rudzinski26 Oct 2016, 18:30
Re: Ebbco Sun Shade ModificationGreg Rudzinski25 Oct 2016, 20:54
Excellent YouTube CN Short VideoGreg Rudzinski19 Oct 2016, 16:42
Re: Hav-Doniol Lat/Dec subtractionsGreg Rudzinski19 Oct 2016, 16:11
Sea of Glory by PhilbrickGreg Rudzinski4 Oct 2016, 21:41
Re: Great Circle Course via calculator & HO 208Greg Rudzinski2 Oct 2016, 02:30
Re: Great Circle Course via calculator & HO 208Greg Rudzinski1 Oct 2016, 17:59
Re: SS WarrimooGreg Rudzinski28 Sep 2016, 00:59
Re: Traditional navigation by slide ruleGreg Rudzinski26 Sep 2016, 07:17
Re: Traditional navigation by slide ruleGreg Rudzinski25 Sep 2016, 18:35
Re: How far away can you see landGreg Rudzinski23 Sep 2016, 22:25
Re: Sun near zenith sightGreg Rudzinski22 Sep 2016, 20:28
Re: Sun near zenith sightGreg Rudzinski22 Sep 2016, 02:04
Re: DIY "Bris mini-sextant": what angles to aim for (and other suggestions)?Greg Rudzinski21 Sep 2016, 20:12
Re: DIY "Bris mini-sextant": what angles to aim for (and other suggestions)?Greg Rudzinski21 Sep 2016, 14:23
Re: Abhav vs S-TablesGreg Rudzinski20 Sep 2016, 18:04
Re: A wrist-watch with Nautical Almanac data?Greg Rudzinski20 Sep 2016, 17:49
Re: Grip and Timex Mod to C&PGreg Rudzinski18 Sep 2016, 06:17
Grip and Timex Mod to C&PGreg Rudzinski18 Sep 2016, 03:25
Re: Anacapa Island Sun LineGreg Rudzinski16 Sep 2016, 21:20
Re: Anacapa Island Sun LineGreg Rudzinski16 Sep 2016, 21:10
Re: Sextant of the future?Greg Rudzinski16 Sep 2016, 14:55
Re: Anacapa Island Sun LineGreg Rudzinski16 Sep 2016, 03:15
Re: Anacapa Island Sun LineGreg Rudzinski16 Sep 2016, 00:20
Anacapa Island Sun LineGreg Rudzinski15 Sep 2016, 20:53
Re: Vernier Scale on Box SextantGreg Rudzinski12 Sep 2016, 18:08
Re: Vernier Scale on Box SextantGreg Rudzinski12 Sep 2016, 18:01
Re: Vernier Scale on Box SextantGreg Rudzinski12 Sep 2016, 05:15
Vernier Scale on Box SextantGreg Rudzinski11 Sep 2016, 21:04
Re: Pocket haversineGreg Rudzinski8 Sep 2016, 21:10
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Greg Rudzinski7 Sep 2016, 18:06
Re: Current Ocean Navigator MagazineGreg Rudzinski2 Sep 2016, 10:52
Re: Mars Saturn and AntaresGreg Rudzinski1 Sep 2016, 01:39
Re: Summer readingGreg Rudzinski30 Aug 2016, 21:54
Summer ViewingGreg Rudzinski30 Aug 2016, 20:46
Re: Mars Saturn and AntaresGreg Rudzinski24 Aug 2016, 22:57
Re: Setting seconds on a digital displayGreg Rudzinski24 Aug 2016, 18:19
Re: Setting seconds on a digital displayGreg Rudzinski24 Aug 2016, 04:41
Compact 0.1' Natural Haversine TableGreg Rudzinski20 Aug 2016, 20:29
Re: Graphic tablesGreg Rudzinski18 Aug 2016, 20:16
Re: Graphic tablesGreg Rudzinski18 Aug 2016, 00:09
Re: Graphic tablesGreg Rudzinski16 Aug 2016, 20:41
Re: Classic Ageton two page tableGreg Rudzinski13 Aug 2016, 18:00
Re: William Bligh's navigation and mappingGreg Rudzinski11 Aug 2016, 15:16
Re: William Bligh's navigation and mappingGreg Rudzinski10 Aug 2016, 23:52
Re: Capella - Betelgeuse - CanopusGreg Rudzinski9 Aug 2016, 17:32
Re: Capella - Betelgeuse - CanopusGreg Rudzinski7 Aug 2016, 19:23
Re: Were Short methods really Short?Greg Rudzinski6 Aug 2016, 04:06
Re: Were Short methods really Short?Greg Rudzinski6 Aug 2016, 03:20
Re: Were Short methods really Short?Greg Rudzinski4 Aug 2016, 12:34
Re: Were Short methods really Short?Greg Rudzinski4 Aug 2016, 04:51
Re: Were Short methods really Short?Greg Rudzinski4 Aug 2016, 01:27
Re: Were Short methods really Short?Greg Rudzinski3 Aug 2016, 21:22
Re: Setting a course when sailing into the wind.Greg Rudzinski28 Jul 2016, 15:17
Re: Setting a course when sailing into the wind.Greg Rudzinski27 Jul 2016, 17:29
Re: HO 211 with Sadler methodGreg Rudzinski27 Jul 2016, 15:01
Re: HO 211 with Sadler methodGreg Rudzinski27 Jul 2016, 02:03
Re: HO 211 with Sadler methodGreg Rudzinski27 Jul 2016, 01:15
Re: HO 211 with Sadler methodGreg Rudzinski27 Jul 2016, 00:56
Re: Sextant RepairsGreg Rudzinski25 Jul 2016, 15:48
Re: Skywatcher QuizzGreg Rudzinski24 Jul 2016, 22:11
Re: DSLR Camera CN with 28 mm LensGreg Rudzinski24 Jul 2016, 18:55
Re: DSLR Camera CN with 28 mm LensGreg Rudzinski19 Jul 2016, 20:44
Re: Horizontal Sextant Angle ExerciseGreg Rudzinski19 Jul 2016, 20:14
Horizontal Sextant Angle ExerciseGreg Rudzinski16 Jul 2016, 22:19
Re: AM and PM time sightsGreg Rudzinski13 Jul 2016, 18:02
Re: Real Viking Ship Completes North Atlantic CrossingGreg Rudzinski3 Jul 2016, 15:01
Re: Mysterious celestial measurementGreg Rudzinski1 Jul 2016, 14:34
Re: AM and PM time sightsGreg Rudzinski29 Jun 2016, 00:34
Re: AM and PM time sightsGreg Rudzinski28 Jun 2016, 17:49
Sunline SagaGreg Rudzinski24 Jun 2016, 18:34
Re: Used bubble sextantGreg Rudzinski21 Jun 2016, 21:22
Re: Used bubble sextantGreg Rudzinski21 Jun 2016, 21:21
Re: Intercept and distanceGreg Rudzinski17 Jun 2016, 02:07
Re: Intercept and distanceGreg Rudzinski16 Jun 2016, 04:23
Re: Sven Yvrvind's Bris sextantGreg Rudzinski16 Jun 2016, 01:34
Re: Bris Sextant Solar FilterGreg Rudzinski16 Jun 2016, 00:18
Re: Bris Sextant Solar FilterGreg Rudzinski15 Jun 2016, 21:22
Re: Bris Sextant Solar FilterGreg Rudzinski15 Jun 2016, 20:55
DSLR Camera CN with 28 mm LensGreg Rudzinski7 Jun 2016, 22:38
Re: Use for Prime Vertical (PV)Greg Rudzinski6 Jun 2016, 02:42
Re: Cellphone & Sextant tetheringGreg Rudzinski3 Jun 2016, 21:06
Re: Cellphone & Sextant tetheringGreg Rudzinski3 Jun 2016, 16:44
Re: Cellphone tetheringGreg Rudzinski2 Jun 2016, 19:48
The Length of a DayGreg Rudzinski25 May 2016, 20:27
Re: Commercial Flight SunsetGreg Rudzinski25 May 2016, 17:05
Re: Bris Sextant CalibrationGreg Rudzinski24 May 2016, 20:12
Bris Sextant CalibrationGreg Rudzinski24 May 2016, 17:13
Re: Commercial Flight SunsetGreg Rudzinski18 May 2016, 20:54
Re: Table 4 Pub 249 v.2/3 officially updated through 2036Greg Rudzinski17 May 2016, 17:31
Re: Commercial Flight SunsetGreg Rudzinski16 May 2016, 22:40
Commercial Flight SunsetGreg Rudzinski13 May 2016, 20:53
Transit of Mercury TodayGreg Rudzinski9 May 2016, 18:26
Re: Bayless/Modified AgetonGreg Rudzinski9 May 2016, 06:15
Re: Bayless/Modified AgetonGreg Rudzinski8 May 2016, 18:25
Re: Horizon Shade PolariserGreg Rudzinski6 May 2016, 20:21
Re: Horizon Shade PolariserGreg Rudzinski6 May 2016, 17:03
C&P Index Arm AdjustmentGreg Rudzinski25 Apr 2016, 01:45
Re: TI-85 Navigation Code.Greg Rudzinski24 Apr 2016, 19:03
Re: Star finding techniquesGreg Rudzinski21 Apr 2016, 20:14
Re: Ebbco Sun Shade ModificationGreg Rudzinski14 Apr 2016, 13:49
Ebbco Special with Sight Tube Modification ComparedGreg Rudzinski14 Apr 2016, 03:26
Re: Davis MK 3 ImprovedGreg Rudzinski2 Apr 2016, 18:28
Re: Davis MK 3 ImprovedGreg Rudzinski31 Mar 2016, 20:22
Davis MK 3 ImprovedGreg Rudzinski28 Mar 2016, 19:51
Re: Fine adjust a Davis Mk 3Greg Rudzinski27 Mar 2016, 03:36
Re: Fine adjust a Davis Mk 3Greg Rudzinski27 Mar 2016, 00:20
Re: Compass CheckGreg Rudzinski21 Mar 2016, 01:00
Re: Compass CheckGreg Rudzinski21 Mar 2016, 00:28
NYT Wave Pilot ArticleGreg Rudzinski20 Mar 2016, 02:01
Re: Metric Bookmark KamalGreg Rudzinski18 Mar 2016, 20:01
Re: Name for sixty nautical milesGreg Rudzinski18 Mar 2016, 00:25
Re: Metric Bookmark KamalGreg Rudzinski17 Mar 2016, 17:00
Re: Metric Bookmark KamalGreg Rudzinski17 Mar 2016, 04:17
Re: Metric Bookmark KamalGreg Rudzinski16 Mar 2016, 16:33
Metric Bookmark KamalGreg Rudzinski12 Mar 2016, 18:33
Re: Procedure for avoiding eye damageGreg Rudzinski12 Mar 2016, 17:57
Re: History of the KamalGreg Rudzinski10 Mar 2016, 19:05
Re: History of the KamalGreg Rudzinski10 Mar 2016, 17:02
Re: History of the KamalGreg Rudzinski10 Mar 2016, 15:24
Re: A One-Hour Presentation on Celestial NavigationGreg Rudzinski5 Mar 2016, 14:50
Re: Scale a small area plotting sheet?Greg Rudzinski2 Mar 2016, 02:26
Re: Scale a small area plotting sheet?Greg Rudzinski28 Feb 2016, 14:08
Re: Sun sights at the Gulf of MexicoGreg Rudzinski24 Feb 2016, 13:36
Re: Modern CN Ditch KitGreg Rudzinski18 Feb 2016, 22:35
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski18 Feb 2016, 14:58
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski15 Feb 2016, 20:58
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski15 Feb 2016, 20:44
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski14 Feb 2016, 20:17
Re: CN on MarsGreg Rudzinski10 Feb 2016, 04:20
Re: CN on MarsGreg Rudzinski9 Feb 2016, 03:34
CN on MarsGreg Rudzinski6 Feb 2016, 14:27
Re: Time of Sun & Moon rise and setGreg Rudzinski4 Feb 2016, 19:20
Re: Star identification puzzleGreg Rudzinski31 Jan 2016, 14:59
Re: Star CN with DSLR CameraGreg Rudzinski29 Jan 2016, 22:17
Re: Star CN with DSLR CameraGreg Rudzinski28 Jan 2016, 22:35
Re: Star CN with DSLR CameraGreg Rudzinski28 Jan 2016, 16:17
Re: Star CN with DSLR CameraGreg Rudzinski28 Jan 2016, 13:41
Re: Star CN with DSLR CameraGreg Rudzinski27 Jan 2016, 17:23
Re: Traditional Navigation in RTW yacht race, 2018Greg Rudzinski27 Jan 2016, 13:57
Re: Planning a fix with >45 degrees intersection in LOPsGreg Rudzinski25 Jan 2016, 22:17
Re: Spherical triangle split by right trianglesGreg Rudzinski25 Jan 2016, 14:08
Re: Cryptic Slide Rule FormulaeGreg Rudzinski21 Jan 2016, 14:16
Re: Traditional navigation by slide ruleGreg Rudzinski20 Jan 2016, 20:30
Re: Celestial a Black Box?Greg Rudzinski17 Jan 2016, 23:55
Re: Polaris LTAGreg Rudzinski9 Jan 2016, 22:44
Polaris LTAGreg Rudzinski8 Jan 2016, 22:30
Re: Traditional navigation by slide ruleGreg Rudzinski6 Jan 2016, 18:24
Re: Ex-meridian reasoning muddle?Greg Rudzinski5 Jan 2016, 04:09
Calculator v. Slide Rule for Great Circle DistanceGreg Rudzinski5 Jan 2016, 01:11
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski4 Jan 2016, 01:53
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski4 Jan 2016, 01:42
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski2 Jan 2016, 20:23
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski1 Jan 2016, 16:55
Re: USS Arizona mystery superstructure detailGreg R_9 Dec 2016, 03:46
Re: Setting a course when sailing into the wind.Graham England28 Jul 2016, 14:30
Setting a course when sailing into the wind.Graham England27 Jul 2016, 15:55
Re: 1850s Metal Sextant - Hard to read the scalesGraham England26 Jul 2016, 23:22
Re: Celestial Navigation Noon Sight Example - VideoGraham England26 Jul 2016, 23:17
Re: 1850s Metal Sextant - Hard to read the scalesGraham England26 Jul 2016, 19:13
Celestial Navigation Noon Sight Example - VideoGraham England26 Jul 2016, 17:59
1850s Metal Sextant - Hard to read the scalesGraham England26 Jul 2016, 17:21
Re: AzimuthsGrace OFarrrll6 Jul 2016, 18:17
Re: AzimuthsGrace OFarrrll6 Jul 2016, 17:51
AzimuthsGrace OFarrrll6 Jul 2016, 13:12
Re: Nautical AlmanacGerman Diaz19 Jul 2016, 13:48
Colombian Nautical Almanac simplified 2016German Diaz11 Apr 2016, 21:55
Captains Logbook from 1687 describes longitudeGeorge Ayers29 Nov 2016, 03:42
Re: Leap second on December 31Geoffrey Kolbe30 Dec 2016, 13:55
Re: Leap second on December 31Geoffrey Kolbe27 Dec 2016, 09:25
Re: USNS BowdtchGeoffrey Kolbe17 Dec 2016, 06:52
Re: Is Sextant a generic word?Geoffrey Kolbe11 Dec 2016, 09:09
Re: Hello and a question about polarizer sun filtersGeoffrey Kolbe8 Dec 2016, 07:48
Re: Hello and a question about polarizer sun filtersGeoffrey Kolbe7 Dec 2016, 07:40
Re: Hello and a question about polarizer sun filtersGeoffrey Kolbe6 Dec 2016, 09:51
Re: Unless they're Vikings, old men can't navigateGeoffrey Kolbe19 Nov 2016, 19:51
Accuracy of 19th century navigatorsGeoffrey Kolbe10 Nov 2016, 20:41
Re: Antikythera mechanismGeoffrey Kolbe19 Oct 2016, 06:34
Re: Speed of SunsetGeoffrey Kolbe1 Oct 2016, 17:04
Re: Modern LunarsGeoffrey Kolbe19 Sep 2016, 06:19
Re: Vernier Scale on Box SextantGeoffrey Kolbe12 Sep 2016, 10:19
Re: Lunar contrastGeoffrey Kolbe12 Sep 2016, 05:57
Re: Lunar contrastGeoffrey Kolbe11 Sep 2016, 18:46
Lunar contrastGeoffrey Kolbe11 Sep 2016, 07:49
Re: 1947 Navigation lesson shipboardGeoffrey Kolbe7 Aug 2016, 06:20
Re: Cannot focus sextant telescopesGeoffrey Kolbe2 Aug 2016, 17:19
Re: 60° Pendulum AstrolabeGeoffrey Kolbe22 Jul 2016, 05:54
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?Geoffrey Kolbe19 Jul 2016, 06:00
Sextant platform for lunarsGeoffrey Kolbe10 Jul 2016, 05:46
Re: Ten years managing NavListGeoffrey Kolbe9 Jul 2016, 06:01
Re: Patrick O'Brian characters discuss time and longitudeGeoffrey Kolbe26 Jun 2016, 15:14
Navigation - a state of mind?Geoffrey Kolbe1 Jun 2016, 06:52
Re: Horizon Shade PolariserGeoffrey Kolbe9 May 2016, 08:24
Re: Horizon Shade PolariserGeoffrey Kolbe8 May 2016, 15:54
Re: South Korea Revives GPS Backup ProjectGeoffrey Kolbe4 May 2016, 14:54
Celestial position-finding on landGeoffrey Kolbe4 May 2016, 06:39
Re: Celestial position-finding on landGeoffrey Kolbe3 May 2016, 06:03
Re: TI-85 Navigation Code.Geoffrey Kolbe27 Apr 2016, 07:51
Re: F. Barker & Son Box SextantGeoffrey Kolbe7 Apr 2016, 10:13
Re: Practical lunars in today's worldGeoffrey Kolbe5 Apr 2016, 11:42
Re: Practical lunars in today's worldGeoffrey Kolbe5 Apr 2016, 06:33
Practical lunars in today's worldGeoffrey Kolbe4 Apr 2016, 12:45
Re: The Wild T4 Theodolite - Don't Sneeze!Geoffrey Kolbe4 Apr 2016, 06:39
Re: The Observer’s Book on Astro-NavigationGeoffrey Kolbe3 Apr 2016, 06:25
Advice on Box SextantGeoffrey Kolbe31 Mar 2016, 11:54
Re: Advice on Box SextantGeoffrey Kolbe30 Mar 2016, 07:14
Re: Balloon SextantsGeoffrey Kolbe29 Mar 2016, 06:14
Advice on Box SextantGeoffrey Kolbe29 Mar 2016, 05:49
Re: Advice on Box SextantGeoffrey Kolbe27 Mar 2016, 20:14
Re: Which Baader Solarfilter for Ebbco sextantGeoffrey Kolbe27 Mar 2016, 12:18
Re: Why a silver index scale?Geoffrey Kolbe27 Mar 2016, 06:37
Why a silver index scale?Geoffrey Kolbe26 Mar 2016, 19:40
A One-Hour Presentation on Celestial NavigationGeoffrey Kolbe19 Mar 2016, 08:50
Sun sights at the Gulf of MexicoGeoffrey Kolbe26 Feb 2016, 22:35
Galactic GPS - How dead stars will guide us in deep spaceGeoffrey Kolbe19 Feb 2016, 07:43
Re: Time of Sun & Moon rise and setGeoffrey Kolbe6 Feb 2016, 06:32
Re: A "three dimensional slide-rule" for celestialGeoffrey Kolbe3 Feb 2016, 15:08
Re: Threats to GPS and introduction of eLORANGeoffrey Kolbe28 Jan 2016, 22:45
Re: Traditional Navigation in RTW yacht race, 2018Geoffrey Kolbe27 Jan 2016, 10:50
Re: "Point determinatif" translation in englishGeoffrey Butt13 Dec 2016, 20:03
Re: AstroNav CourseGeoffrey Butt8 Jul 2016, 16:43
Re: The Sun does not stop for anyoneGary LaPook31 Dec 2016, 07:01
Re: The Sun does not stop for anyoneGary LaPook31 Dec 2016, 06:24
Re: The Sun does not stop for anyoneGary LaPook31 Dec 2016, 05:29
Re: The Sun does not stop for anyoneGary LaPook31 Dec 2016, 05:19
Re: The Sun does not stop for anyoneGary LaPook31 Dec 2016, 05:15
Re: The Sun does not stop for anyoneGary LaPook30 Dec 2016, 20:10
Re: The Sun does not stop for anyoneGary LaPook30 Dec 2016, 19:59
Re: The Sun does not stop for anyoneGary LaPook30 Dec 2016, 17:15
Re: The Sun does not stop for anyoneGary LaPook30 Dec 2016, 17:06
Re: The Sun does not stop for anyoneGary LaPook30 Dec 2016, 08:14
Re: The Sun does not stop for anyoneGary LaPook29 Dec 2016, 20:16
Re: The Sun does not stop for anyoneGary LaPook29 Dec 2016, 08:19
Re: The Sun does not stop for anyoneGary LaPook29 Dec 2016, 07:40
Re: The Sun does not stop for anyoneGary LaPook28 Dec 2016, 10:35
Re: The Sun does not stop for anyoneGary LaPook28 Dec 2016, 09:56
Re: The Sun does not stop for anyoneGary LaPook27 Dec 2016, 11:20
Re: The Sun does not stop for anyoneGary LaPook27 Dec 2016, 10:58
Re: The Sun does not stop for anyoneGary LaPook27 Dec 2016, 08:14
Re: The Sun does not stop for anyoneGary LaPook27 Dec 2016, 06:14
Re: The Sun does not stop for anyoneGary LaPook26 Dec 2016, 20:12
Re: The Sun does not stop for anyoneGary LaPook26 Dec 2016, 19:51
Re: The Sun does not stop for anyoneGary LaPook26 Dec 2016, 19:20
Re: The Sun does not stop for anyoneGary LaPook26 Dec 2016, 18:59
Re: The Sun does not stop for anyoneGary LaPook25 Dec 2016, 09:46
Re: Personal Equation and Index ErrorGary LaPook21 Dec 2016, 19:04
Re: USNS Bowditch - also Slocum!Gary LaPook17 Dec 2016, 23:49
Re: USNS BowdtchGary LaPook16 Dec 2016, 18:26
USNS BowdtchGary LaPook16 Dec 2016, 18:09
Re: A Navlist member is getting an awardGary LaPook12 Dec 2016, 22:22
Re: The lie of the land: when map ma kers get it wrong �� in pictures Books The GuardianGary LaPook12 Dec 2016, 18:02
Re: Is Sextant a generic word?Gary LaPook10 Dec 2016, 17:24
Re: Is Sextant a generic word?Gary LaPook8 Dec 2016, 23:11
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook5 Dec 2016, 18:40
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook5 Dec 2016, 09:51
Re: Celestial Navigation in the MoviesGary LaPook4 Dec 2016, 09:42
Re: Windjammer SunlineGary LaPook3 Dec 2016, 06:55
Re: Celestial Navigation in the MoviesGary LaPook3 Dec 2016, 02:46
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook2 Dec 2016, 01:55
Re: Kollsman periscopic sextant mountGary LaPook29 Nov 2016, 21:47
Re: Kollsman periscopic sextant mountGary LaPook29 Nov 2016, 21:22
Re: Great Circle Sailing ChartGary LaPook28 Nov 2016, 16:57
Re: Kollsman periscopic sextant mountGary LaPook28 Nov 2016, 16:46
Re: Kollsman periscopic sextant mountGary LaPook28 Nov 2016, 09:04
Re: Cellnav trained mariners and aviatorsGary LaPook28 Nov 2016, 09:00
Re: The flat BygraveGary LaPook25 Nov 2016, 19:22
Re: Celestial Pre-computation Form for PolhemusGary LaPook24 Nov 2016, 19:30
Re: The flat BygraveGary LaPook24 Nov 2016, 19:08
Re: Celestial Pre-computation Form for PolhemusGary LaPook24 Nov 2016, 07:20
Re: Nautical or Statute Miles for Air NavigationGary LaPook24 Nov 2016, 06:36
Re: Nautical or Statute Miles for Air NavigationGary LaPook24 Nov 2016, 06:29
Re: Celestial Pre-computation Form for PolhemusGary LaPook24 Nov 2016, 06:02
Re: Unless they're Vikings, old men can't navigateGary LaPook17 Nov 2016, 22:51
Re: "Super-Lune du siècle"Gary LaPook14 Nov 2016, 17:35
Re: Traditional navigation by slide ruleGary LaPook14 Nov 2016, 06:23
Re: Traditional navigation by slide ruleGary LaPook14 Nov 2016, 05:29
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 22:51
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 22:30
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:32
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:25
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:11
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 01:28
Re: Traditional navigation by slide ruleGary LaPook8 Nov 2016, 22:24
Re: Table 4 Suns GHA+Dec modifiedGary LaPook8 Nov 2016, 06:33
Re: Plotting a LOP properly: how to?Gary LaPook6 Nov 2016, 20:35
Re: Traditional navigation by slide ruleGary LaPook6 Nov 2016, 07:15
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook2 Nov 2016, 07:12
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook2 Nov 2016, 07:11
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook2 Nov 2016, 01:44
Re: Traditional navigation by slide ruleGary LaPook31 Oct 2016, 23:45
Re: Doing my homeworkGary LaPook31 Oct 2016, 23:41
Re: Doing my homeworkGary LaPook31 Oct 2016, 23:40
Re: Doing my homeworkGary LaPook31 Oct 2016, 17:05
Re: Traditional navigation by slide ruleGary LaPook31 Oct 2016, 16:50
Re: Kollsman periscopic sextant mountGary LaPook30 Oct 2016, 07:40
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 23:04
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 21:18
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 18:31
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 10:02
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 09:24
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 09:00
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 05:20
Re: Great Circle Course via calculator & HO 208Gary LaPook29 Oct 2016, 04:59
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 01:54
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 17:44
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 09:11
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 08:20
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 08:03
Re: Great Circle Course via calculator & HO 208Gary LaPook27 Oct 2016, 20:42
Re: Great Circle Course via calculator & HO 208Gary LaPook27 Oct 2016, 20:40
Re: Great Circle Course via calculator & HO 208Gary LaPook27 Oct 2016, 10:29
Re: Great Circle Course via calculator & HO 208Gary LaPook27 Oct 2016, 10:19
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 08:00
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 00:53
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 00:04
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 18:05
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:52
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:22
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:01
Re: Traditional navigation by slide ruleGary LaPook25 Oct 2016, 22:24
An interesting web site aboout space navigationGary LaPook22 Oct 2016, 20:48
Re: DIY planisphere: how to begin with it?Gary LaPook19 Oct 2016, 07:29
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook18 Oct 2016, 07:31
Solar eclipse August 21, 2017Gary LaPook18 Oct 2016, 05:37
Accuracy of celestial navigationGary LaPook17 Oct 2016, 05:00
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook16 Oct 2016, 20:08
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook16 Oct 2016, 20:02
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook16 Oct 2016, 09:19
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook16 Oct 2016, 04:48
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook16 Oct 2016, 04:25
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook15 Oct 2016, 06:43
Re: V-Correction for Sun? Answer from UKHO...Gary LaPook13 Oct 2016, 18:46
An "Indiana Jones" momentGary LaPook10 Oct 2016, 22:32
Re: Great Circle Course via calculator & HO 208Gary LaPook6 Oct 2016, 21:26
Re: Great Circle Course via calculator & HO 208Gary LaPook6 Oct 2016, 21:21
Re: Great Circle Course via calculator & HO 208Gary LaPook5 Oct 2016, 17:26
Re: Great Circle Course via calculator & HO 208Gary LaPook5 Oct 2016, 17:01
Re: Great Circle Course via calculator & HO 208Gary LaPook4 Oct 2016, 04:51
Re: Great Circle Course via calculator & HO 208Gary LaPook3 Oct 2016, 09:56
Re: Great Circle Course via calculator & HO 208Gary LaPook1 Oct 2016, 16:14
Re: Speed of SunsetGary LaPook30 Sep 2016, 23:05
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 22:06
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 08:16
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 06:45
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 06:41
Re: Searching for the "article of George Huxtable on logarithmic computations"Gary LaPook24 Sep 2016, 07:35
Re: How far away can you see landGary LaPook24 Sep 2016, 07:23
Re: Sextant to go to MarsGary LaPook18 Sep 2016, 07:24
Sextant to go to MarsGary LaPook18 Sep 2016, 07:21
Re: A new way to record and time observationsGary LaPook17 Sep 2016, 16:07
Re: A new way to record and time observationsGary LaPook17 Sep 2016, 05:58
Re: A new way to record and time observationsGary LaPook17 Sep 2016, 05:41
A new way to record and time observationsGary LaPook17 Sep 2016, 05:38
Re: Radar in July 1937 or too much MD370 reporting?Gary LaPook13 Sep 2016, 20:36
Cruise ship destroys small boat marina with thrusters.Gary LaPook13 Sep 2016, 19:17
Re: Radar in July 1937 or too much MD370 reporting?Gary LaPook13 Sep 2016, 18:11
Re: Vernier Scale on Box SextantGary LaPook12 Sep 2016, 04:12
Re: Lose the war if it's cloudyGary LaPook10 Sep 2016, 11:09
Re: Lose the war if it's cloudyGary LaPook7 Sep 2016, 22:01
Re: Puzzled by Douglas Protractor InstructionsGary LaPook4 Sep 2016, 18:29
Re: Is there a way to produce Sight reduction tables for air navigationGary LaPook4 Sep 2016, 18:06
Re: Puzzled by Douglas Protractor InstructionsGary LaPook4 Sep 2016, 05:38
Re: Is there a way to produce Sight reduction tables for air navigationGary LaPook4 Sep 2016, 04:56
Re: Is there a way to produce Sight reduction tables for air navigationGary LaPook3 Sep 2016, 19:28
Re: Hughes Tables.Gary LaPook3 Sep 2016, 08:06
Re: Kollsman periscopic sextant mount AFNOA has 5 models of D-1Gary LaPook30 Aug 2016, 17:40
Current Ocean Navigator MagazineGary LaPook28 Aug 2016, 05:50
Re: GPS jamming concernsGary LaPook26 Aug 2016, 15:52
Re: GPS jamming concernsGary LaPook26 Aug 2016, 04:20
Re: GPS jamming concernsGary LaPook25 Aug 2016, 21:36
Re: Grumman AA-5Gary LaPook21 Aug 2016, 16:44
Re: Historical charts and mappingGary LaPook19 Aug 2016, 09:26
Re: WGS 84 and BVI ChartsGary LaPook16 Aug 2016, 17:14
Re: WGS 84 and BVI ChartsGary LaPook16 Aug 2016, 07:56
Re: WGS 84 and BVI ChartsGary LaPook13 Aug 2016, 23:20
Re: More bluster for the Year of StupidGary LaPook12 Aug 2016, 16:54
Re: More bluster for the Year of StupidGary LaPook12 Aug 2016, 00:39
Re: More bluster for the Year of StupidGary LaPook12 Aug 2016, 00:33
Re: GPS jamming concernsGary LaPook11 Aug 2016, 22:49
Re: Comments on Bygrave/MHR1 calculationsGary LaPook11 Aug 2016, 21:58
Re: Navy wig wagGary LaPook11 Aug 2016, 21:45
Re: Navy wig wagGary LaPook10 Aug 2016, 07:08
Re: GPS jamming concernsGary LaPook10 Aug 2016, 06:08
Re: GPS jamming concernsGary LaPook9 Aug 2016, 21:06
Re: GPS jamming concernsGary LaPook9 Aug 2016, 17:59
Re: GPS jamming concernsGary LaPook9 Aug 2016, 17:56
GPS jamming concernsGary LaPook8 Aug 2016, 19:33
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 18:51
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 18:48
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 08:44
Re: Were Short methods really Short?Gary LaPook6 Aug 2016, 03:56
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:46
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:43
Re: Were Short methods really Short?Gary LaPook4 Aug 2016, 07:43
Re: Were Short methods really Short?Gary LaPook4 Aug 2016, 07:09
Re: Were Short methods really Short?Gary LaPook3 Aug 2016, 04:14
Re: Museo Naval, MadridGary LaPook3 Aug 2016, 03:35
Re: Museo Naval, MadridGary LaPook3 Aug 2016, 03:33
Re: Working Model MHR1 SlideruleGary LaPook31 Jul 2016, 16:41
Re: The mathematics of tacking downwindGary LaPook29 Jul 2016, 23:28
Re: Practice Horizon BubbleGary LaPook29 Jul 2016, 09:31
Re: Practice Horizon BubbleGary LaPook29 Jul 2016, 09:28
Re: The mathematics of tacking downwindGary LaPook29 Jul 2016, 08:57
Re: HO 211 with Sadler methodGary LaPook27 Jul 2016, 18:38
Re: HO 211 with Sadler methodGary LaPook27 Jul 2016, 18:35
Re: HO 211 with Sadler methodGary LaPook27 Jul 2016, 09:55
Re: HO 211 with Sadler methodGary LaPook27 Jul 2016, 03:53
Re: 1984 Bowditch questionGary LaPook27 Jul 2016, 00:04
Re: Sextant accuracy and possibility of future improvementGary LaPook26 Jul 2016, 05:58
Re: AzimuthsGary LaPook6 Jul 2016, 17:54
Re: Weems - US Naval Inst. May 1927 - Rust's Azimuth DiagramGary LaPook4 Jul 2016, 19:11
Re: Not "zooming in" on GPS display leads to another incidentGary LaPook3 Jul 2016, 06:43
Re: Not "zooming in" on GPS display leads to another incidentGary LaPook3 Jul 2016, 06:40
Re: Not "zooming in" on GPS display leads to another incidentGary LaPook3 Jul 2016, 05:30
Re: AE and FN's plane?Gary LaPook3 Jul 2016, 05:14
Re: Not "zooming in" on GPS display leads to another incidentGary LaPook1 Jul 2016, 17:29
Not "zooming in" on GPS display leads to another incidentGary LaPook1 Jul 2016, 07:39
Re: Fred Noonan CriticizedGary LaPook23 Jun 2016, 11:54
Re: Fred Noonan CriticizedGary LaPook23 Jun 2016, 11:15
Re: Fred Noonan CriticizedGary LaPook23 Jun 2016, 05:18
Re: Fred Noonan CriticizedGary LaPook22 Jun 2016, 07:08
Re: Fred Noonan CriticizedGary LaPook22 Jun 2016, 07:01
Re: Intercept and distanceGary LaPook17 Jun 2016, 05:53
Navigation of B-47 bombersGary LaPook16 Jun 2016, 17:08
Re: Intercept and distanceGary LaPook16 Jun 2016, 16:26
Re: Neat video about LEM stellar alignment scopeGary LaPook8 Jun 2016, 08:55
Re: GPS outagesGary LaPook7 Jun 2016, 19:10
Re: Use for Prime Vertical (PV)Gary LaPook7 Jun 2016, 18:10
Re: Navigation - a state of mind?Gary LaPook4 Jun 2016, 21:15
Re: Navigation - a state of mind?Gary LaPook4 Jun 2016, 21:06
Re: The Length of a DayGary LaPook27 May 2016, 08:10
Re: Difference between HO 249 and USNO websiteGary LaPook17 May 2016, 17:44
Re: Difference between HO 249 and USNO websiteGary LaPook17 May 2016, 17:06
Re: Commercial Flight SunsetGary LaPook17 May 2016, 06:50
Celnav article in Ocean Navigator MagazineGary LaPook10 May 2016, 20:11
Re: SundialGary LaPook6 May 2016, 10:25
Re: The moons of Jupiter for Time or Position?Gary LaPook6 May 2016, 04:21
Re: More Coutinho QuestionsGary LaPook4 May 2016, 16:33
Re: Celestial position-finding on landGary LaPook3 May 2016, 07:01
Re: Celestial position-finding on landGary LaPook3 May 2016, 06:28
Re: SundialGary LaPook2 May 2016, 20:39
Re: SundialGary LaPook2 May 2016, 20:36
Bubble sextant developmentGary LaPook2 May 2016, 08:32
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantGary LaPook2 May 2016, 08:26
Re: SundialGary LaPook30 Apr 2016, 18:20
Re: The Observer’s Book on Astro-NavigationGary LaPook30 Apr 2016, 16:32
Re: SundialGary LaPook30 Apr 2016, 16:10
SundialGary LaPook30 Apr 2016, 08:09
Re: A navigational featGary LaPook30 Apr 2016, 01:10
Re: A navigational featGary LaPook29 Apr 2016, 17:40
Re: NavList graphic bannerGary LaPook29 Apr 2016, 17:17
Re: Prose and Poetry and NavigationGary LaPook28 Apr 2016, 01:12
Re: Prose and Poetry and NavigationGary LaPook28 Apr 2016, 01:03
Re: Star finding techniquesGary LaPook22 Apr 2016, 07:23
Re: Monarch Butterfly NavigationGary LaPook20 Apr 2016, 05:31
Re: U-boat Celestial Navigation WWIIGary LaPook19 Apr 2016, 18:27
Re: U-boat Celestial Navigation WWIIGary LaPook12 Apr 2016, 19:46
Re: U-boat Celestial Navigation WWIIGary LaPook12 Apr 2016, 18:33
Re: U-boat Celestial Navigation WWIIGary LaPook12 Apr 2016, 18:19
Re: U-boat Celestial Navigation WWIIGary LaPook12 Apr 2016, 17:30
Re: U-boat Celestial Navigation WWIIGary LaPook12 Apr 2016, 17:05
Re: Slide rule for lunars?Gary LaPook4 Apr 2016, 14:58
Re: Advice on Box SextantGary LaPook3 Apr 2016, 21:48
Slide rule for lunars?Gary LaPook3 Apr 2016, 21:12
Re: Advice on Box SextantGary LaPook3 Apr 2016, 14:31
Re: Advice on Box SextantGary LaPook3 Apr 2016, 13:51
Re: Balloon SextantsGary LaPook28 Mar 2016, 09:11
Re: Latitude by PolarisGary LaPook27 Mar 2016, 12:58
Re: Thoughts on celestial presentations and learning.Gary LaPook23 Mar 2016, 08:11
Re: Model A-12 Link Bubble SextantGary LaPook22 Mar 2016, 21:01
Re: Model A-12 Link Bubble SextantGary LaPook22 Mar 2016, 20:59
Certaine Errors in NavigationGary LaPook22 Mar 2016, 07:54
Re: Compass CheckGary LaPook22 Mar 2016, 07:42
Re: Multiple suns in view on index correction checkGary LaPook22 Mar 2016, 06:46
Re: NYT Wave Pilot ArticletlyGary LaPook20 Mar 2016, 09:26
HelloGary LaPook10 Mar 2016, 05:02
GPS outagesGary LaPook8 Mar 2016, 09:26
Total solar eclipse on WednesdayGary LaPook7 Mar 2016, 18:18
Re: A One-Hour Presentation on Celestial NavigationGary LaPook3 Mar 2016, 18:59
Re: Scale a small area plotting sheet?Gary LaPook1 Mar 2016, 22:43
Re: Scale a small area plotting sheet?Gary LaPook1 Mar 2016, 22:41
Re: Scale a small area plotting sheet?Gary LaPook1 Mar 2016, 21:57
Re: Scale a small area plotting sheet?Gary LaPook1 Mar 2016, 19:52
Re: Scale a small area plotting sheet?Gary LaPook1 Mar 2016, 17:15
Re: Scale a small area plotting sheet?Gary LaPook29 Feb 2016, 08:19
Re: Sun sights at the Gulf of MexicoGary LaPook24 Feb 2016, 05:28
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:58
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:56
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:42
Re: Henning Umland's long term almanac. Is it wrong?Gary LaPook23 Feb 2016, 20:46
Re: What is this on this sextantGary LaPook21 Feb 2016, 06:22
Re: "Dalton Dead Reckoning Computor" Type E-6BGary LaPook19 Feb 2016, 04:04
Polhemus computer available now on ebayGary LaPook14 Feb 2016, 20:01
Re: Best way to record time for solo sightsGary LaPook14 Feb 2016, 06:36
Re: Best way to record time for solo sightsGary LaPook13 Feb 2016, 20:53
Re: Dip from ShoreGary LaPook10 Feb 2016, 01:16
Re: Time of Sun & Moon rise and setGary LaPook6 Feb 2016, 09:47
Re: Time of Sun & Moon rise and setGary LaPook6 Feb 2016, 07:12
Re: Time of Sun & Moon rise and setGary LaPook4 Feb 2016, 19:24
Re: Kollsman periscopic sextant mount CorrectionGary LaPook4 Feb 2016, 19:21
Re: Star identification puzzleGary LaPook31 Jan 2016, 18:32
Re: Kollsman periscopic sextant mount CorrectionGary LaPook28 Jan 2016, 06:42
Re: Kollsman periscopic sextant mount CorrectionGary LaPook28 Jan 2016, 06:12
Re: Kollsman periscopic sextant mount CorrectionGary LaPook27 Jan 2016, 19:21
Re: Planning a fix with >45 degrees intersection inLOPsGary LaPook26 Jan 2016, 02:01
Re: Duttons Navigation and Piloting 12th editionGary LaPook25 Jan 2016, 08:13
Re: Spherical triangle split by right trianglesGary LaPook23 Jan 2016, 00:09
Re: Traditional navigation by slide ruleGary LaPook22 Jan 2016, 04:23
Re: Traditional navigation by slide ruleGary LaPook21 Jan 2016, 12:23
Re: Traditional navigation by slide ruleGary LaPook21 Jan 2016, 06:15
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 21:39
Re: Cryptic Slide Rule FormulaeGary LaPook20 Jan 2016, 21:32
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 19:28
Re: Kollsman periscopic sextant mountGary LaPook20 Jan 2016, 05:27
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 00:40
Re: Traditional navigation by slide ruleGary LaPook19 Jan 2016, 21:35
Re: Traditional navigation by slide ruleGary LaPook19 Jan 2016, 21:05
Re: Traditional navigation by slide ruleGary LaPook17 Jan 2016, 00:07
Re: B-52 navigator in New York TimesGary LaPook16 Jan 2016, 23:25
Re: Borrowed BygraveGary LaPook16 Jan 2016, 11:44
Re: Borrowed BygraveGary LaPook16 Jan 2016, 11:29
Re: Borrowed BygraveGary LaPook15 Jan 2016, 18:26
Re: Great Circle Sailing ChartGary LaPook15 Jan 2016, 18:20
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:49
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:36
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:21
Re: Borrowed BygraveGary LaPook15 Jan 2016, 08:56
Re: Borrowed BygraveGary LaPook15 Jan 2016, 08:45
Re: U-boat Celestial Navigation WWIIGary LaPook15 Jan 2016, 08:03
Re: U-boat Celestial Navigation WWIIGary LaPook15 Jan 2016, 07:08
Re: Borrowed BygraveGary LaPook15 Jan 2016, 06:59
Re: Great Circle Sailing ChartGary LaPook15 Jan 2016, 04:23
Re: U-boat Celestial Navigation WWIIGary LaPook15 Jan 2016, 04:20
Re: Borrowed BygraveGary LaPook15 Jan 2016, 04:09
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:42
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:16
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:06
Re: Great Circle Sailing ChartGary LaPook15 Jan 2016, 01:03
Re: U-boat Celestial Navigation WWIIGary LaPook14 Jan 2016, 01:13
Re: U-boat Celestial Navigation WWIIGary LaPook13 Jan 2016, 09:18
Re: U-boat Celestial Navigation WWIIGary LaPook13 Jan 2016, 09:09
Re: U-boat Celestial Navigation WWIIGary LaPook13 Jan 2016, 09:05
Re: Traditional navigation by slide ruleGary LaPook13 Jan 2016, 08:51
Re: Traditional navigation by slide rule (correction)Gary LaPook12 Jan 2016, 22:12
Re: Traditional navigation by slide rule (correction)Gary LaPook12 Jan 2016, 21:40
Re: Traditional navigation by slide ruleGary LaPook12 Jan 2016, 08:14
Re: U-boat Celestial Navigation WWIIGary LaPook12 Jan 2016, 07:30
Re: U-boat Celestial Navigation WWIIGary LaPook12 Jan 2016, 07:10
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 22:50
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 20:41
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 05:54
Re: Traditional navigation by slide rule (correction)Gary LaPook10 Jan 2016, 20:50
Re: Traditional navigation by slide ruleGary LaPook10 Jan 2016, 20:35
Re: 2016 Nautical AlmanacGary LaPook10 Jan 2016, 19:13
Re: Polaris LTAGary LaPook9 Jan 2016, 19:46
Re: U-boat Celestial Navigation WWIIGary LaPook9 Jan 2016, 19:18
Re: Polaris LTAGary LaPook9 Jan 2016, 11:09
Re: Air vs. water: MOB and MOO table corrections in HO 249Gary LaPook9 Jan 2016, 07:36
Re: Polaris LTAGary LaPook9 Jan 2016, 07:01
Re: 2016 Nautical AlmanacGary LaPook9 Jan 2016, 06:58
Re: Polaris LTAGary LaPook9 Jan 2016, 01:35
Re: Polaris LTAGary LaPook8 Jan 2016, 22:40
Re: Air vs. water: MOB and MOO table corrections in HO 249Gary LaPook8 Jan 2016, 22:34
Re: Air vs. water: MOB and MOO table corrections in HO 249Gary LaPook8 Jan 2016, 22:28
Re: U-boat Celestial Navigation WWIIGary LaPook8 Jan 2016, 22:17
Re: U-boat Celestial Navigation WWIIGary LaPook8 Jan 2016, 22:12
Re: U-boat Celestial Navigation WWIIGary LaPook8 Jan 2016, 22:11
Re: Accuracy of Nautical Almanac vs Air AlmanacGary LaPook8 Jan 2016, 07:57
Re: U-boat Celestial Navigation WWIIGary LaPook7 Jan 2016, 19:13
Re: Traditional navigation by slide ruleGary LaPook7 Jan 2016, 18:59
Re: Traditional navigation by slide ruleGary LaPook7 Jan 2016, 02:42
Re: Traditional navigation by slide ruleGary LaPook6 Jan 2016, 19:43
Re: Ex-meridian reasoning muddle?Gary LaPook5 Jan 2016, 05:35
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGary LaPook4 Jan 2016, 06:31
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionGary LaPook2 Jan 2016, 19:16
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGary LaPook2 Jan 2016, 18:38
Re: 60° Pendulum AstrolabeG Becker21 Jul 2016, 23:37
Re: Hello and a question about polarizer sun filtersFred Hebard6 Dec 2016, 19:55
Re: Hello and a question about polarizer sun filtersFred Hebard6 Dec 2016, 15:46
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?Fred Hebard19 Jul 2016, 01:12
Re: Poll: Beetlejuice or BettlegherzFred Hebard12 Jul 2016, 01:48
Re: Ten years managing NavListFred Hebard10 Jul 2016, 02:56
Re: AstroNav CourseFred Hebard6 Jul 2016, 20:54
Re: Monarch Butterfly NavigationFred Hebard20 Apr 2016, 16:25
Re: Jupiter in daylight and micrometer testFred Hebard20 Apr 2016, 13:21
Re: Why a silver index scale?Fred Hebard27 Mar 2016, 15:19
Re: Sun sights at the Gulf of MexicoFred Hebard24 Feb 2016, 14:45
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard24 Feb 2016, 00:02
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard23 Feb 2016, 19:24
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard23 Feb 2016, 17:44
Re: Obtaining a position fix with an android phone?Fraser Kitchell11 Oct 2016, 19:13
Obtaining a position fix with an android phone?Fraser Kitchell11 Oct 2016, 02:30
Re: The Sun does not stop for anyoneFrank Reed31 Dec 2016, 15:32
Re: The Sun does not stop for anyoneFrank Reed30 Dec 2016, 20:50
Re: The Sun does not stop for anyoneFrank Reed30 Dec 2016, 20:38
Re: The Sun does not stop for anyoneFrank Reed30 Dec 2016, 18:48
NavList and Facebook celestial groupFrank Reed29 Dec 2016, 20:45
Re: The Sun does not stop for anyoneFrank Reed29 Dec 2016, 19:50
Re: Golden Globe Race NavigationFrank Reed29 Dec 2016, 19:16
Re: Leap second on December 31Frank Reed29 Dec 2016, 15:57
Golden Globe Race NavigationFrank Reed28 Dec 2016, 22:45
Re: The Sun does not stop for anyoneFrank Reed27 Dec 2016, 00:38
Re: The Sun does not stop for anyoneFrank Reed26 Dec 2016, 20:31
Re: The Sun does not stop for anyoneFrank Reed26 Dec 2016, 16:56
Leap second on December 31Frank Reed26 Dec 2016, 15:54
Orion-teeringFrank Reed25 Dec 2016, 01:12
Re: The Sun does not stop for anyoneFrank Reed24 Dec 2016, 18:17
Re: First Nations Navigation - west coast of British Columbia?Frank Reed20 Dec 2016, 01:59
Re: Celestial navigation in animals?Frank Reed20 Dec 2016, 01:43
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed20 Dec 2016, 01:04
Nautical Almanac 1981 (USCG license training)Frank Reed18 Dec 2016, 17:27
Re: USNS Bowditch - also Slocum!Frank Reed17 Dec 2016, 19:00
Re: The Sun does not stop for anyoneFrank Reed17 Dec 2016, 15:02
Re: USNS BowdtchFrank Reed16 Dec 2016, 18:35
Re: Fer3.com problem?Frank Reed13 Dec 2016, 01:10
Re: Is Sextant a generic word?Frank Reed10 Dec 2016, 16:13
Re: Is Sextant a generic word?Frank Reed9 Dec 2016, 18:19
Re: Is Sextant a generic word?Frank Reed9 Dec 2016, 02:30
Re: Is Sextant a generic word?Frank Reed9 Dec 2016, 01:58
Re: USS Arizona mystery superstructure detailFrank Reed9 Dec 2016, 01:48
Re: Hello and a question about polarizer sun filtersFrank Reed8 Dec 2016, 15:48
Re: Equal altitude puzzle from a movieFrank Reed7 Dec 2016, 21:08
Re: Celestial Navigation in the MoviesFrank Reed7 Dec 2016, 20:10
Re: Equal altitude puzzle from a movieFrank Reed7 Dec 2016, 06:20
Re: Equal altitude puzzle from a movieFrank Reed6 Dec 2016, 22:25
Equal altitude puzzle from a movieFrank Reed6 Dec 2016, 19:07
Re: Celestial Navigation in the MoviesFrank Reed6 Dec 2016, 00:30
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrank Reed5 Dec 2016, 19:26
Re: Double Altitude - Sensitivity to Time IntervalFrank Reed5 Dec 2016, 08:07
Re: Celestial Navigation in the MoviesFrank Reed4 Dec 2016, 19:15
Re: Celestial Navigation in the MoviesFrank Reed4 Dec 2016, 18:26
Re: Celestial Navigation in the MoviesFrank Reed3 Dec 2016, 21:03
Re: Blackburn's C2 table...a rambleFrank Reed3 Dec 2016, 19:17
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrank Reed1 Dec 2016, 18:31
Re: Captains Logbook from 1687 describes longitudeFrank Reed1 Dec 2016, 17:43
Re: Captains Logbook from 1687 describes longitudeFrank Reed29 Nov 2016, 06:35
Re: IAU Formally Approves 227 Star NamesFrank Reed24 Nov 2016, 19:26
Re: USNO Website Down?Frank Reed23 Nov 2016, 23:02
Re: "Super-Lune du siècle"Frank Reed22 Nov 2016, 03:40
Re: "Super-Lune du siècle"Frank Reed19 Nov 2016, 00:13
Re: "Super-Lune du siècle"Frank Reed17 Nov 2016, 20:38
Unless they're Vikings, old men can't navigateFrank Reed17 Nov 2016, 18:36
Re: Perigee full moon November 14th - Time for a special lunar?Frank Reed13 Nov 2016, 19:13
Re: Accuracy of 19th century navigatorsFrank Reed10 Nov 2016, 23:10
Re: That magic number: 3438Frank Reed5 Nov 2016, 00:55
Death to the Intercept Method!Frank Reed4 Nov 2016, 18:37
Re: Which calculator to use for "arctan(tan(269))"?Frank Reed4 Nov 2016, 17:54
That magic number: 3438Frank Reed4 Nov 2016, 02:09
Re: Which calculator to use for "arctan(tan(269))"?Frank Reed3 Nov 2016, 22:55
Re: A navigation philosophy and landing on MarsFrank Reed1 Nov 2016, 20:13
A navigation philosophy and landing on MarsFrank Reed1 Nov 2016, 19:26
GPS out by milesFrank Reed1 Nov 2016, 18:58
Re: Celestial navigation classes: looking for suggestions...Frank Reed1 Nov 2016, 18:52
Re: Doing my homeworkFrank Reed31 Oct 2016, 17:39
Re: Doing my homeworkFrank Reed31 Oct 2016, 17:19
Re: Doing my homeworkFrank Reed31 Oct 2016, 17:10
Re: Doing my homeworkFrank Reed31 Oct 2016, 16:38
Re: A rate of change ruleFrank Reed31 Oct 2016, 16:09
A rate of change ruleFrank Reed31 Oct 2016, 02:15
Re: Body "X"Frank Reed30 Oct 2016, 19:26
Celestial navigation classes: looking for suggestions...Frank Reed26 Oct 2016, 17:56
Re: V-Correction for Sun? Answer from UKHO...just one more?Frank Reed20 Oct 2016, 02:00
Re: DIY planisphere: how to begin with it?Frank Reed18 Oct 2016, 20:48
Re: DIY planisphere: how to begin with it?Frank Reed17 Oct 2016, 18:38
Disney's celestial navigation movieFrank Reed17 Oct 2016, 02:35
Re: Eclipse computations with Lunar4Frank Reed11 Oct 2016, 18:14
Re: Solar eclipse of August 21, 2017Frank Reed8 Oct 2016, 18:39
Re: Havnetid/hamntidFrank Reed8 Oct 2016, 18:02
Re: Great Circle Course via calculator & HO 208Frank Reed6 Oct 2016, 20:05
Re: Great Circle Course via calculator & HO 208Frank Reed5 Oct 2016, 19:27
Re: Corner Cosines: The sign of Dh Moon and Dh SunFrank Reed5 Oct 2016, 18:34
Re: Celestial navigation during the Civil WarFrank Reed4 Oct 2016, 18:49
Re: Thompson abbreviated method for lunar clearanceFrank Reed3 Oct 2016, 21:01
Re: Q and Thompson's third correction tablesFrank Reed3 Oct 2016, 19:51
Re: SNO-M sextant manualFrank Reed3 Oct 2016, 01:51
Modern Celestial Navigation this weekendFrank Reed29 Sep 2016, 17:17
Re: SS WarrimooFrank Reed28 Sep 2016, 00:34
Re: Star to star relationshipsFrank Reed28 Sep 2016, 00:27
Re: Sun even nearer zenithFrank Reed27 Sep 2016, 19:30
Re: Star to star relationshipsFrank Reed27 Sep 2016, 15:48
Re: Star to star relationshipsFrank Reed27 Sep 2016, 01:54
Re: Sun even nearer zenithFrank Reed24 Sep 2016, 01:49
Sun even nearer zenithFrank Reed23 Sep 2016, 23:43
Re: Sun near zenith sightFrank Reed22 Sep 2016, 03:56
Sun near zenith sightFrank Reed21 Sep 2016, 23:58
Celestial navigation planetarium program in Windham, ConnecticutFrank Reed19 Sep 2016, 17:37
Re: A wrist-watch with Nautical Almanac data?Frank Reed19 Sep 2016, 17:11
Re: A wrist-watch with Nautical Almanac data?Frank Reed19 Sep 2016, 16:11
Re: Abhav sightreduction?Frank Reed19 Sep 2016, 03:39
Re: A new way to record and time observationsFrank Reed17 Sep 2016, 22:18
Re: Official star namesFrank Reed16 Sep 2016, 06:34
Re: Anacapa Island Sun LineFrank Reed15 Sep 2016, 22:36
Official star namesFrank Reed15 Sep 2016, 18:59
Zenith or zeenithFrank Reed13 Sep 2016, 15:56
Re: Air Almanac 2017Frank Reed13 Sep 2016, 15:45
Lunars workshop October 23 at Mystic SeaportFrank Reed13 Sep 2016, 15:43
Re: Best ages for taking Moon-Sun lunarsFrank Reed11 Sep 2016, 21:29
Re: Lunar contrastFrank Reed11 Sep 2016, 16:43
Lose the war if it's cloudyFrank Reed7 Sep 2016, 19:24
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Frank Reed7 Sep 2016, 18:51
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Frank Reed6 Sep 2016, 19:13
Re: Hughes Tables.Frank Reed4 Sep 2016, 00:26
Re: Is there a way to produce Sight reduction tables for air navigationFrank Reed3 Sep 2016, 19:32
Re: Lunars: how to use the prop.log tables?Frank Reed1 Sep 2016, 18:42
Re: Lunars: how to use the prop.log tables?Frank Reed1 Sep 2016, 18:03
Re: Emergency navigation: a Nocturnal as the Local Siderial Time source.Frank Reed1 Sep 2016, 17:24
Re: Emergency navigation: a Cruiserfix tool.Frank Reed1 Sep 2016, 16:16
Re: Summer ViewingFrank Reed31 Aug 2016, 21:28
Re: Lunars: how to use the prop.log tables?Frank Reed31 Aug 2016, 17:40
Re: A lesson in a photoFrank Reed30 Aug 2016, 02:10
Re: Sextant pre-set for taking sun-moon lunarsFrank Reed28 Aug 2016, 18:05
Re: A lesson in a photoFrank Reed28 Aug 2016, 17:43
A lesson in a photoFrank Reed27 Aug 2016, 21:01
Re: Finding Latitude at Sea from Two Altitudes of the Sun and a Possibly Incorrect WatchFrank Reed26 Aug 2016, 20:20
Re: William Bligh's navigation and mappingFrank Reed26 Aug 2016, 19:01
Re: GPS jamming concernsFrank Reed26 Aug 2016, 06:42
Re: Setting seconds on a digital displayFrank Reed24 Aug 2016, 17:00
Re: Setting seconds on a digital displayFrank Reed24 Aug 2016, 16:30
Setting seconds on a digital displayFrank Reed24 Aug 2016, 04:09
Re: Historical charts and mappingFrank Reed18 Aug 2016, 19:00
Re: Historical charts and mappingFrank Reed17 Aug 2016, 22:25
Historical charts and mappingFrank Reed17 Aug 2016, 19:02
Re: Latitude by midnight sunFrank Reed17 Aug 2016, 15:22
Re: WGS 84 and BVI ChartsFrank Reed16 Aug 2016, 13:39
Re: WGS 84 and BVI ChartsFrank Reed16 Aug 2016, 06:20
More bluster for the Year of StupidFrank Reed11 Aug 2016, 22:14
Re: GPS jamming concernsFrank Reed10 Aug 2016, 22:41
Re: Sextant InformationFrank Reed10 Aug 2016, 17:29
Re: GPS jamming concernsFrank Reed9 Aug 2016, 19:50
Re: GPS jamming concernsFrank Reed8 Aug 2016, 20:56
Re: GPS jamming concernsFrank Reed8 Aug 2016, 20:40
Re: 1947 Navigation lesson shipboardFrank Reed7 Aug 2016, 20:25
Fast analysis of backyard lunarsFrank Reed2 Aug 2016, 17:16
Re: What are the impacts created by Vagaries of refractionFrank Reed2 Aug 2016, 17:01
Visibility range of cloudsFrank Reed1 Aug 2016, 18:12
Re: Daytime Photographs of Aldebaran and SiriusFrank Reed31 Jul 2016, 21:55
Re: Poll: Beetlejuice or BettlegherzFrank Reed31 Jul 2016, 20:13
Re: Poll: Beetlejuice or BettlegherzFrank Reed31 Jul 2016, 20:00
Re: Daytime Photographs of Aldebaran and SiriusFrank Reed31 Jul 2016, 19:42
Re: Practice Horizon BubbleFrank Reed31 Jul 2016, 00:04
Re: Daytime Photographs of Aldebaran and SiriusFrank Reed31 Jul 2016, 00:00
Re: Poll: Beetlejuice or BettlegherzFrank Reed30 Jul 2016, 23:31
Re: HO 211 with Sadler methodFrank Reed29 Jul 2016, 23:35
Re: HO 211 with Sadler methodFrank Reed29 Jul 2016, 23:03
Re: Setting a course when sailing into the wind.Frank Reed28 Jul 2016, 01:06
ADMIN: receiving NavList messages via AOL emailFrank Reed27 Jul 2016, 20:00
Re: 1984 Bowditch questionFrank Reed27 Jul 2016, 19:48
Re: 1984 Bowditch questionFrank Reed26 Jul 2016, 22:32
Re: Celestial Navigation Noon Sight Example - VideoFrank Reed26 Jul 2016, 20:51
Re: 1984 Bowditch questionFrank Reed26 Jul 2016, 00:53
Re: 1984 Bowditch questionFrank Reed26 Jul 2016, 00:45
Re: Skywatcher QuizzFrank Reed25 Jul 2016, 06:26
ADMIN: Send good wishes to RJMFrank Reed21 Jul 2016, 22:50
Re: Daytime Photograph of a StarFrank Reed21 Jul 2016, 20:32
Re: Sextant accuracy and possibility of future improvementFrank Reed20 Jul 2016, 22:24
Re: 60° Pendulum AstrolabeFrank Reed20 Jul 2016, 19:42
Re: Sextant accuracy and possibility of future improvementFrank Reed19 Jul 2016, 22:28
Re: Sextant accuracy and possibility of future improvementFrank Reed19 Jul 2016, 19:12
Re: Naval Academy brings back celestial navigation coursesFrank Reed18 Jul 2016, 13:28
Re: Celestial for allFrank Reed17 Jul 2016, 22:30
Re: The Apollo 11 guidance computer codeFrank Reed12 Jul 2016, 03:28
Poll: Beetlejuice or BettlegherzFrank Reed11 Jul 2016, 23:30
Re: Visual Satellite NavigationFrank Reed10 Jul 2016, 05:36
Re: Ten years managing NavListFrank Reed9 Jul 2016, 17:07
Re: AstroNav CourseFrank Reed7 Jul 2016, 22:52
Re: AstroNav CourseFrank Reed7 Jul 2016, 22:47
Re: AstroNav CourseFrank Reed7 Jul 2016, 05:56
Re: AstroNav CourseFrank Reed6 Jul 2016, 14:16
Re: AstroNav CourseFrank Reed6 Jul 2016, 01:05
Re: AstroNav CourseFrank Reed5 Jul 2016, 23:24
Re: AE and FN's plane?Frank Reed3 Jul 2016, 04:16
Re: Not "zooming in" on GPS display leads to another incidentFrank Reed3 Jul 2016, 01:35
Re: Ten years managing NavListFrank Reed3 Jul 2016, 00:57
Ten years managing NavListFrank Reed1 Jul 2016, 23:32
Re: Thoughts on why 'north' is at the top of maps (BBC)Frank Reed30 Jun 2016, 19:57
Wonderful new biography of Nathaniel BowditchFrank Reed29 Jun 2016, 20:10
Re: Sextants at SeaFrank Reed21 Jun 2016, 22:51
Re: Meaning of TildeFrank Reed21 Jun 2016, 22:26
Hokule'a in southern New EnglandFrank Reed21 Jun 2016, 18:16
Happy "SHA 270 Day"!Frank Reed21 Jun 2016, 00:14
Re: 2016, June 14th Mars LunarsFrank Reed20 Jun 2016, 20:12
Re: 2016, June 14th Mars LunarsFrank Reed19 Jun 2016, 21:20
Re: 2016, June 14th Mars LunarsFrank Reed19 Jun 2016, 20:33
Re: 2016, June 14th Mars LunarsFrank Reed16 Jun 2016, 05:30
Re: Thoughts on why 'north' is at the top of maps (BBC)Frank Reed16 Jun 2016, 01:41
Re: 2016, June 14th Mars LunarsFrank Reed14 Jun 2016, 17:10
Re: We were off-course 97% of the timeFrank Reed12 Jun 2016, 03:04
Survivorman AnalemmaFrank Reed9 Jun 2016, 20:02
Re: Neat video about LEM stellar alignment scopeFrank Reed9 Jun 2016, 19:53
Lunars workshop this weekendFrank Reed8 Jun 2016, 01:39
Re: Use for Prime Vertical (PV)Frank Reed7 Jun 2016, 18:29
Re: Navigation - a state of mind?Frank Reed3 Jun 2016, 23:00
Re: Navigation - a state of mind?Frank Reed3 Jun 2016, 22:35
Re: Navigation - a state of mind?Frank Reed2 Jun 2016, 19:23
Re: Navigation - a state of mind?Frank Reed1 Jun 2016, 22:35
Re: Attempting to decipher a "time sight"Frank Reed30 May 2016, 21:49
Re: Attempting to decipher a "time sight"Frank Reed29 May 2016, 20:50
Re: Attempting to decipher a "time sight"Frank Reed29 May 2016, 18:48
Re: Attempting to decipher a "time sight"Frank Reed28 May 2016, 20:57
Re: Bris Sextant CalibrationFrank Reed24 May 2016, 17:22
Re: Whaling logbooksFrank Reed20 May 2016, 19:14
Re: Low altitude sunFrank Reed19 May 2016, 22:25
Re: Table 4 Pub 249 / 19th Century NavigationFrank Reed18 May 2016, 22:17
Re: Table 4 Pub 249 / 19th Century NavigationFrank Reed18 May 2016, 16:52
Re: Difference between HO 249 and USNO websiteFrank Reed17 May 2016, 18:13
Re: Learn to Love LogarithmsFrank Reed16 May 2016, 01:43
Re: Human Navigation bookFrank Reed16 May 2016, 01:28
Re: Human Navigation bookFrank Reed15 May 2016, 22:01
Re: "Time Sights" and Lines of PositionFrank Reed15 May 2016, 19:30
Learn to Love LogarithmsFrank Reed15 May 2016, 18:29
Orbital navigation computer in OregonFrank Reed15 May 2016, 17:50
Whaling logbooksFrank Reed13 May 2016, 19:39
Re: Astronomical PhenomenaFrank Reed12 May 2016, 20:04
Re: Celnav article in Ocean Navigator MagazineFrank Reed11 May 2016, 22:20
Aquino, Bayless, Bygrave, WeemsFrank Reed8 May 2016, 16:34
Re: Endeavour in Newport harborFrank Reed6 May 2016, 17:04
Re: The moons of Jupiter for Time or Position?Frank Reed5 May 2016, 22:35
Re: More Coutinho QuestionsFrank Reed4 May 2016, 20:58
Re: Celestial position-finding on landFrank Reed3 May 2016, 23:08
Re: Endeavour in Newport harborFrank Reed3 May 2016, 19:56
Endeavour in Newport harborFrank Reed2 May 2016, 23:49
Transit of Mercury next weekFrank Reed2 May 2016, 21:17
"Modern Celestial" this weekend in Mystic, CTFrank Reed2 May 2016, 20:35
Re: SundialFrank Reed30 Apr 2016, 12:21
Re: NavList graphic bannerFrank Reed29 Apr 2016, 16:48
A navigational featFrank Reed29 Apr 2016, 16:06
Wandering PoleFrank Reed27 Apr 2016, 14:53
Re: TI-85 Navigation Code.Frank Reed24 Apr 2016, 17:34
Shackleton CentennialFrank Reed24 Apr 2016, 16:07
Re: Star finding techniquesFrank Reed22 Apr 2016, 03:27
Re: Monarch Butterfly NavigationFrank Reed21 Apr 2016, 01:56
Re: RMS Carpathia sextant for re-auction.Frank Reed20 Apr 2016, 22:44
Re: Jupiter in daylight and micrometer testFrank Reed20 Apr 2016, 17:53
Re: Jupiter in daylight and micrometer testFrank Reed20 Apr 2016, 07:03
Re: Monarch Butterfly NavigationFrank Reed20 Apr 2016, 07:02
Re: Modern Celestial Course at Seaport Very RewardingFrank Reed20 Apr 2016, 00:13
Re: Monarch Butterfly NavigationFrank Reed20 Apr 2016, 00:00
Re: Monarch Butterfly NavigationFrank Reed19 Apr 2016, 18:21
Re: Jupiter in daylight and micrometer testFrank Reed19 Apr 2016, 17:35
Brown-Nassau, both sidesFrank Reed19 Apr 2016, 01:52
Space station navigation, April 18, New EnglandFrank Reed17 Apr 2016, 22:53
Re: Jupiter in daylight and micrometer testFrank Reed17 Apr 2016, 22:21
Jupiter in daylight and micrometer testFrank Reed17 Apr 2016, 16:40
Re: "Science of Time" conference in JuneFrank Reed14 Apr 2016, 20:37
"Science of Time" conference in JuneFrank Reed14 Apr 2016, 18:29
Re: Book for Mailing costsFrank Reed14 Apr 2016, 01:47
Re: Meridian passage of moonFrank Reed11 Apr 2016, 14:30
Re: New corrections for latitude by Polaris?Frank Reed10 Apr 2016, 01:21
Re: Observe refraction: Earth's Limb from the ISSFrank Reed5 Apr 2016, 19:50
Re: Practical lunars in today's worldFrank Reed4 Apr 2016, 21:24
Re: Observe refraction: Earth's Limb from the ISSFrank Reed4 Apr 2016, 21:12
Re: Slide rule for lunars?Frank Reed3 Apr 2016, 22:24
Re: Slide rule for lunars?Frank Reed3 Apr 2016, 22:07
The legend of BowditchFrank Reed2 Apr 2016, 16:23
Re: Sextant Scope Mounting Optical Design QuestionFrank Reed29 Mar 2016, 02:08
Re: Davis Mark 12 sextantFrank Reed27 Mar 2016, 02:07
Re: Fine adjust a Davis Mk 3Frank Reed26 Mar 2016, 20:37
Fine adjust a Davis Mk 3Frank Reed26 Mar 2016, 06:01
Latitude at noon and your shadowFrank Reed24 Mar 2016, 20:29
Re: Thoughts on celestial presentations and learning.Frank Reed24 Mar 2016, 20:04
ADMIN: email duplicates this afternoonFrank Reed23 Mar 2016, 20:36
Re: A One-Hour Presentation on Celestial NavigationFrank Reed18 Mar 2016, 20:39
Re: A One-Hour Presentation on Celestial NavigationFrank Reed18 Mar 2016, 18:18
Re: Name for sixty nautical milesFrank Reed18 Mar 2016, 03:42
Re: Name for sixty nautical milesFrank Reed17 Mar 2016, 17:41
Name for sixty nautical milesFrank Reed17 Mar 2016, 16:28
Celestial Navigation 19th Century MethodsFrank Reed16 Mar 2016, 20:55
Re: Zn determination and proper dip short distanceFrank Reed14 Mar 2016, 23:59
Re: G F Martelli versus G PouvreauFrank Reed12 Mar 2016, 19:55
History of the KamalFrank Reed10 Mar 2016, 08:02
Re: HelloFrank Reed10 Mar 2016, 05:15
Re: Scale a small area plotting sheet?Frank Reed1 Mar 2016, 22:23
Re: Scale a small area plotting sheet?Frank Reed1 Mar 2016, 21:50
Re: 18th-Century Surveyor's Case of Mathematical InstrumentsFrank Reed1 Mar 2016, 21:02
Weems talk Thursday at Mystic SeaportFrank Reed29 Feb 2016, 16:49
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed29 Feb 2016, 05:04
Re: Celestial data for the scorpion's stingerFrank Reed28 Feb 2016, 05:08
Celestial data for the scorpion's stingerFrank Reed28 Feb 2016, 02:07
Celestial data for the planet UranusFrank Reed27 Feb 2016, 21:46
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed26 Feb 2016, 21:37
Re: Maritime Casualty News: GPS noticeFrank Reed25 Feb 2016, 21:22
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed24 Feb 2016, 18:35
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed23 Feb 2016, 18:22
Celestial data for the planet MercuryFrank Reed21 Feb 2016, 23:23
Re: Sun altitude limits for natural horizon?Frank Reed21 Feb 2016, 01:49
Re: Sun altitude limits for natural horizon?Frank Reed20 Feb 2016, 23:38
Re: Tragedy strikes TWA aircraft navigatorFrank Reed16 Feb 2016, 23:28
Celestial training planetarium 1950Frank Reed15 Feb 2016, 00:56
Re: The Science of TimeFrank Reed14 Feb 2016, 00:26
Re: Best way to record time for solo sightsFrank Reed13 Feb 2016, 22:15
Re: Best way to record time for solo sightsFrank Reed12 Feb 2016, 05:09
Re: USCG approves use of electronic chartsFrank Reed11 Feb 2016, 23:16
Re: USCG approves use of electronic chartsFrank Reed11 Feb 2016, 23:10
Sun Slow DayFrank Reed10 Feb 2016, 06:57
Re: Dip from ShoreFrank Reed9 Feb 2016, 20:14
Re: CN on MarsFrank Reed9 Feb 2016, 19:58
Re: CN on MarsFrank Reed9 Feb 2016, 19:18
Re: Dip from ShoreFrank Reed7 Feb 2016, 21:24
Re: Time of Sun & Moon rise and setFrank Reed7 Feb 2016, 01:21
Re: Time of Sun & Moon rise and setFrank Reed7 Feb 2016, 01:04
Re: CN on MarsFrank Reed6 Feb 2016, 23:29
Re: CN on MarsFrank Reed6 Feb 2016, 18:53
Re: Time of Sun & Moon rise and setFrank Reed6 Feb 2016, 05:01
Re: Was this optical instrument designed for celestial navigation?Frank Reed3 Feb 2016, 22:40
Re: Star identification puzzleFrank Reed31 Jan 2016, 18:20
Re: Star identification puzzleFrank Reed31 Jan 2016, 14:56
Star identification puzzleFrank Reed31 Jan 2016, 07:20
Re: Limited celestial navigation instruction at USNAFrank Reed30 Jan 2016, 07:52
Limited celestial navigation instruction at USNAFrank Reed28 Jan 2016, 21:59
Re: Threats to GPS and introduction of eLORANFrank Reed28 Jan 2016, 21:22
Re: U.S. Naval Academy Reinstates CelestialFrank Reed28 Jan 2016, 01:59
Re: Space sextantsFrank Reed27 Jan 2016, 19:18
Re: Planning a fix with >45 degrees intersection inLOPsFrank Reed27 Jan 2016, 01:52
Henry Worsley, Antarctic adenturerFrank Reed25 Jan 2016, 21:46
Re: Space sextantsFrank Reed24 Jan 2016, 21:31
Re: Duttons Navigation and Piloting 12th editionFrank Reed24 Jan 2016, 19:40
Re: Spherical triangle split by right trianglesFrank Reed24 Jan 2016, 04:40
Re: U.S. Naval Academy Reinstates CelestialFrank Reed23 Jan 2016, 08:22
Re: A wonderful dawn with all four planetsFrank Reed22 Jan 2016, 20:02
Re: Cryptic Slide Rule FormulaeFrank Reed20 Jan 2016, 21:40
Aldebaran occultation tonightFrank Reed19 Jan 2016, 20:32
Re: Celestial a Black Box?Frank Reed18 Jan 2016, 07:02
Celestial a Black Box?Frank Reed17 Jan 2016, 21:51
Re: Borrowed BygraveFrank Reed16 Jan 2016, 23:27
Re: Traditional navigation by slide ruleFrank Reed16 Jan 2016, 23:22
Air Almanac 2016 downloadFrank Reed9 Jan 2016, 22:08
Re: 2016 Nautical AlmanacFrank Reed9 Jan 2016, 20:39
Re: 1822 1st ed American LunarianFrank Reed8 Jan 2016, 04:34
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrank Reed3 Jan 2016, 20:08
Re: Celestial Navigation in the MoviesFrank Petrie7 Dec 2016, 07:17
Re: Celestial Navigation in the MoviesFrank Petrie6 Dec 2016, 06:28
Re: Celestial Navigation in the MoviesFrank Petrie5 Dec 2016, 20:03
Re: Celestial Navigation in the MoviesFrank Petrie3 Dec 2016, 01:21
Re: D correction queryFrank M9 Jun 2016, 21:16
D correction queryFrank M9 Jun 2016, 08:19
Re: Hamilton 992B as Marine ChronometerFrancis Upchurch31 Dec 2016, 19:28
Re: Hamilton 992B as Marine ChronometerFrancis Upchurch31 Dec 2016, 16:46
Re: Golden Globe Race NavigationFrancis Upchurch29 Dec 2016, 18:35
Re: Summer SolsticeFrancis Upchurch20 Dec 2016, 20:25
Re: Celestial navigation in animals?Francis Upchurch20 Dec 2016, 18:42
Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Francis Upchurch19 Dec 2016, 12:32
Re: Is Sextant a generic word?Francis Upchurch11 Dec 2016, 09:38
Re: Is Sextant a generic word?Francis Upchurch10 Dec 2016, 17:02
Re: Celestial Navigation in the MoviesFrancis Upchurch8 Dec 2016, 18:35
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrancis Upchurch1 Dec 2016, 19:22
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrancis Upchurch29 Nov 2016, 19:37
Re: How Globes were Made in the 1950sFrancis Upchurch19 Nov 2016, 20:22
Re: How Globes were Made in the 1950sFrancis Upchurch19 Nov 2016, 06:07
Re: Traditional navigation by slide ruleFrancis Upchurch8 Nov 2016, 20:31
Re: Greenwich England highlightsFrancis Upchurch8 Nov 2016, 09:14
Re: Death to the Intercept Method!Francis Upchurch5 Nov 2016, 10:35
Re: Great Circle Course via calculator & HO 208Francis Upchurch29 Oct 2016, 08:43
Re: Great Circle Course via calculator & HO 208Francis Upchurch27 Oct 2016, 14:58
Re: Celestial navigation classes: looking for suggestions...Francis Upchurch27 Oct 2016, 04:32
Re: Traditional navigation by slide ruleFrancis Upchurch20 Oct 2016, 21:11
Re: Traditional navigation by slide ruleFrancis Upchurch19 Oct 2016, 09:18
Re: Antikythera mechanismFrancis Upchurch18 Oct 2016, 17:14
Re: Thompson abbreviated method for lunar clearanceFrancis Upchurch4 Oct 2016, 05:31
Re: Q and Thompson's third correction tablesFrancis Upchurch4 Oct 2016, 05:27
Thompson abbreviated method for lunar clearanceFrancis Upchurch1 Oct 2016, 20:54
Re: Sun near zenith sightFrancis Upchurch22 Sep 2016, 19:55
Re: Sun near zenith sightFrancis Upchurch22 Sep 2016, 16:35
Re: Sun near zenith sightFrancis Upchurch22 Sep 2016, 09:17
Latitude and longitude from a single twilight polarum reading of Alkaid and sextant Alt of PolarisFrancis Upchurch18 Sep 2016, 06:44
Re: Sextant of the future?Francis Upchurch16 Sep 2016, 17:14
Re: Sextant of the future?Francis Upchurch16 Sep 2016, 17:02
Re: Vernier Scale on Box SextantFrancis Upchurch12 Sep 2016, 19:48
Re: Vernier Scale on Box SextantFrancis Upchurch12 Sep 2016, 08:18
Weems and Plath Celestial slide rule instructions.Francis Upchurch5 Sep 2016, 08:10
Re: Emergency navigation: a Nocturnal as the Local Siderial Time source.Francis Upchurch2 Sep 2016, 08:09
Re: Emergency navigation: a Cruiserfix tool.Francis Upchurch1 Sep 2016, 12:10
Re: Lunars: how to use the prop.log tables?Francis Upchurch1 Sep 2016, 05:27
Re: Sextant pre-set for taking sun-moon lunarsFrancis Upchurch28 Aug 2016, 08:32
Re: The mathematics of tacking downwindFrancis Upchurch30 Jul 2016, 06:36
Re: The mathematics of tacking downwindFrancis Upchurch29 Jul 2016, 18:24
Re: Sextant accuracy and possibility of future improvementFrancis Upchurch20 Jul 2016, 18:27
Sextant accuracy and possibility of future improvementFrancis Upchurch19 Jul 2016, 18:08
Re: Poll: Beetlejuice or BettlegherzFrancis Upchurch12 Jul 2016, 05:56
Re: AstroNav CourseFrancis Upchurch6 Jul 2016, 16:49
Congratulations USAFrancis Upchurch5 Jul 2016, 04:54
Re: Patrick O'Brian characters discuss time and longitudeFrancis Upchurch27 Jun 2016, 18:19
Re: Patrick O'Brian characters discuss time and longitudeFrancis Upchurch25 Jun 2016, 18:37
Re: Thoughts on why 'north' is at the top of maps (BBC)Francis Upchurch16 Jun 2016, 05:55
Re: Neat video about LEM stellar alignment scopeFrancis Upchurch12 Jun 2016, 17:16
Re: Neat video about LEM stellar alignment scopeFrancis Upchurch11 Jun 2016, 12:43
Re: Neat video about LEM stellar alignment scopeFrancis Upchurch10 Jun 2016, 05:49
Re: Bris Sextant CalibrationFrancis Upchurch24 May 2016, 18:00
Re: Human Navigation bookFrancis Upchurch18 May 2016, 17:18
Re: Orbital navigation computer in OregonFrancis Upchurch17 May 2016, 17:31
Re: Whaling logbooksFrancis Upchurch16 May 2016, 15:22
Re: Transit of Mercury TodayFrancis Upchurch10 May 2016, 16:42
Re: Better Aging Through Celestial Navigation?Francis Upchurch9 May 2016, 18:09
Re: Horizon Shade PolariserFrancis Upchurch8 May 2016, 18:49
Re: Horizon Shade PolariserFrancis Upchurch7 May 2016, 07:40
Re: Horizon Shade PolariserFrancis Upchurch6 May 2016, 17:34
Re: Endeavour in Newport harborFrancis Upchurch6 May 2016, 17:31
Re: The moons of Jupiter for Time or Position?Francis Upchurch6 May 2016, 04:26
Re: More Coutinho QuestionsFrancis Upchurch4 May 2016, 21:30
Re: Endeavour in Newport harborFrancis Upchurch3 May 2016, 19:01
Re: Transit of Mercury next weekFrancis Upchurch3 May 2016, 14:16
Re: Prose and Poetry and NavigationFrancis Upchurch27 Apr 2016, 13:38
Re: TI-85 Navigation Code.Francis Upchurch24 Apr 2016, 19:00
Re: Monarch Butterfly NavigationFrancis Upchurch20 Apr 2016, 05:05
Re: Monarch Butterfly NavigationFrancis Upchurch19 Apr 2016, 18:47
Re: Brown-Nassau, both sidesFrancis Upchurch19 Apr 2016, 05:12
Re: U-boat Celestial Navigation WWIIFrancis Upchurch14 Apr 2016, 04:01
Re: Slide rule for lunars?Francis Upchurch5 Apr 2016, 06:04
Re: Slide rule for lunars?Francis Upchurch4 Apr 2016, 05:46
Re: Advice on Box SextantFrancis Upchurch3 Apr 2016, 16:03
Re: Advice on Box SextantFrancis Upchurch3 Apr 2016, 14:22
Re: The Observer’s Book on Astro-NavigationFrancis Upchurch3 Apr 2016, 11:30
Re: The Observer’s Book on Astro-NavigationFrancis Upchurch2 Apr 2016, 15:14
Re: The Observer’s Book on Astro-NavigationFrancis Upchurch2 Apr 2016, 15:11
Re: The Observer’s Book on Astro-NavigationFrancis Upchurch2 Apr 2016, 10:29
Re: Advice on Box SextantFrancis Upchurch2 Apr 2016, 06:28
Re: Advice on Box SextantFrancis Upchurch1 Apr 2016, 16:55
Re: Fine adjust a Davis Mk 3Francis Upchurch29 Mar 2016, 18:34
Re: Smithsonian "Time and Navigation" exhibit updatedFrancis Upchurch29 Mar 2016, 05:36
Re: Fine adjust a Davis Mk 3Francis Upchurch26 Mar 2016, 18:26
Re: A One-Hour Presentation on Celestial NavigationFrancis Upchurch19 Mar 2016, 08:27
Re: A One-Hour Presentation on Celestial NavigationFrancis Upchurch19 Mar 2016, 06:17
Re: Metric Bookmark KamalFrancis Upchurch18 Mar 2016, 08:06
Re: Metric Bookmark KamalFrancis Upchurch17 Mar 2016, 14:46
Re: A One-Hour Presentation on Celestial NavigationFrancis Upchurch3 Mar 2016, 19:52
Re: A One-Hour Presentation on Celestial NavigationFrancis Upchurch3 Mar 2016, 19:31
Re: Traditional navigation by slide ruleFrancis Upchurch25 Feb 2016, 05:44
Re: Traditional navigation by slide ruleFrancis Upchurch24 Feb 2016, 12:10
Re: Traditional navigation by slide ruleFrancis Upchurch22 Feb 2016, 06:34
Re: "Dalton Dead Reckoning Computor" Type E-6BFrancis Upchurch21 Feb 2016, 18:29
Re: Best way to record time for solo sightsFrancis Upchurch14 Feb 2016, 18:44
Re: A "three dimensional slide-rule" for celestialFrancis Upchurch3 Feb 2016, 06:12
Re: Threats to GPS and introduction of eLORANFrancis Upchurch29 Jan 2016, 07:14
Re: Henry Worsley, Antarctic adventurerFrancis Upchurch26 Jan 2016, 06:28
Re: Traditional navigation by slide ruleFrancis Upchurch22 Jan 2016, 19:25
Re: Traditional navigation by slide ruleFrancis Upchurch22 Jan 2016, 04:53
Re: Traditional navigation by slide ruleFrancis Upchurch21 Jan 2016, 07:02
Re: Traditional navigation by slide ruleFrancis Upchurch20 Jan 2016, 20:08
Re: Celestial a Black Box?Francis Upchurch19 Jan 2016, 19:29
Re: A wonderful dawn with all four planetsFrancis Upchurch19 Jan 2016, 19:25
Re: Celestial a Black Box?Francis Upchurch18 Jan 2016, 07:21
Re: Traditional navigation by slide ruleFrancis Upchurch17 Jan 2016, 19:42
Re: Traditional navigation by slide ruleFrancis Upchurch17 Jan 2016, 06:14
Re: Borrowed BygraveFrancis Upchurch17 Jan 2016, 05:54
Re: Traditional navigation by slide ruleFrancis Upchurch16 Jan 2016, 15:35
Re: Borrowed BygraveFrancis Upchurch15 Jan 2016, 12:14
Re: Margett's Tables/graphical longitude.Francis Upchurch15 Jan 2016, 11:17
Re: Margett's Tables/graphical longitude.Francis Upchurch14 Jan 2016, 10:11
Margett's Tables/graphical longitude.Francis Upchurch13 Jan 2016, 06:01
Re: Traditional navigation by slide ruleFrancis Upchurch13 Jan 2016, 03:56
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch7 Jan 2016, 17:33
Re: Traditional navigation by slide ruleFrancis Upchurch7 Jan 2016, 11:02
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch5 Jan 2016, 02:53
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch5 Jan 2016, 02:38
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch4 Jan 2016, 06:19
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch3 Jan 2016, 04:29
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch1 Jan 2016, 19:02
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch1 Jan 2016, 08:57
Re: Kollsman Mounting – Double Good LuckFergus Kavanagh17 Mar 2016, 00:09
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh5 Feb 2016, 00:28
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 21:07
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 18:49
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 12:17
Re: Star identification puzzleFergus Kavanagh31 Jan 2016, 13:16
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh30 Jan 2016, 19:12
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh29 Jan 2016, 23:22
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh28 Jan 2016, 09:32
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh27 Jan 2016, 22:34
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh27 Jan 2016, 16:52
Re: Kollsman periscopic sextant mountFergus Kavanagh20 Jan 2016, 00:42
Twitter Cel Nav Challenge - submissionsEd Popko12 Dec 2016, 23:58
Re: A Navlist member is getting an awardEd Popko12 Dec 2016, 22:17
Re: The lie of the land: when map makers get it wrongEd Popko12 Dec 2016, 21:00
Re: Twitter Cel Nav ChallengeEd Popko11 Dec 2016, 17:31
Twitter Cel Nav ChallengeEd Popko11 Dec 2016, 00:17
Re: Is Sextant a generic word?Ed Popko10 Dec 2016, 20:41
Re: Is Sextant a generic word?Ed Popko10 Dec 2016, 12:29
USS Arizona mystery superstructure detailEd Popko9 Dec 2016, 01:09
Re: Celestial Navigation in the MoviesEd Popko3 Dec 2016, 18:42
Re: "Super-Lune du siècle"Ed Popko19 Nov 2016, 19:58
How Globes were Made in the 1950sEd Popko18 Nov 2016, 22:15
Re: Perigee full moon November 14th - Time for a special lunar?Ed Popko13 Nov 2016, 23:37
Perigee full moon November 14th - Time for a special lunar?Ed Popko3 Nov 2016, 22:15
Re: Another round on the fate of Amelia Earhart in today's newsEd Popko2 Nov 2016, 09:38
Another round on the fate of Amelia Earhart in today's newsEd Popko1 Nov 2016, 20:38
Re: Celestial navigation during the Civil WarEd Popko4 Oct 2016, 21:21
Re: Celestial navigation during the Civil WarEd Popko3 Oct 2016, 20:54
Celestial navigation during the Civil WarEd Popko3 Oct 2016, 15:49
Re: Modern LunarsEd Popko29 Sep 2016, 09:16
Re: Sextant of the future?Ed Popko16 Sep 2016, 18:47
Canada Finds Second Ship from Doomed Franklin VoyageEd Popko12 Sep 2016, 23:40
Best ages for taking Moon-Sun lunarsEd Popko11 Sep 2016, 20:58
Re: Weems and Plath Celestial slide rule instructions.Ed Popko5 Sep 2016, 09:50
Re: Lunars: how to use the prop.log tables?Ed Popko31 Aug 2016, 00:15
Re: Lunars: how to use the prop.log tables?Ed Popko30 Aug 2016, 22:05
Re: Lunars: how to use the prop.log tables?Ed Popko30 Aug 2016, 18:13
Re: Sextant pre-set for taking sun-moon lunarsEd Popko28 Aug 2016, 19:41
Sextant pre-set for taking sun-moon lunarsEd Popko28 Aug 2016, 00:11
1802 first edition of The New American Practical Navigator for saleEd Popko20 Aug 2016, 13:18
Re: More bluster for the Year of StupidEd Popko12 Aug 2016, 12:29
Re: GPS jamming concernsEd Popko12 Aug 2016, 10:53
Re: GPS jamming concernsEd Popko9 Aug 2016, 15:35
Re: 1947 Navigation lesson shipboardEd Popko7 Aug 2016, 11:40
Re: 1947 Navigation lesson shipboardEd Popko6 Aug 2016, 10:14
Re: Museo Naval, MadridEd Popko2 Aug 2016, 17:54
Museo Naval, MadridEd Popko2 Aug 2016, 13:19
Re: And even more celestial-in-case-GPS-goes-down sillinessEd Popko20 Jul 2016, 18:43
Lost 19th Century Whaling Fleet Found Off Alaska's Arctic CoastEd Popko19 Jul 2016, 18:26
Real Viking Ship Completes North Atlantic CrossingEd Popko3 Jul 2016, 10:46
Mysterious celestial measurementEd Popko1 Jul 2016, 13:42
Patrick O'Brian characters discuss time and longitudeEd Popko25 Jun 2016, 09:48
Thoughts on why 'north' is at the top of maps (BBC)Ed Popko15 Jun 2016, 09:41
Re: Neat video about LEM stellar alignment scopeEd Popko11 Jun 2016, 09:18
Re: Neat video about LEM stellar alignment scopeEd Popko10 Jun 2016, 20:35
Hokule'a Arrives in New York CityEd Popko8 Jun 2016, 22:50
Re: Navigation - a state of mind?Ed Popko3 Jun 2016, 17:27
Re: Attempting to decipher a "time sight"Ed Popko31 May 2016, 21:16
Re: Attempting to decipher a "time sight"Ed Popko31 May 2016, 16:12
Re: Rolling Cruise ShipEd Popko29 May 2016, 12:23
NavList graphic bannerEd Popko29 Apr 2016, 09:44
OrienteeringEd Popko21 Apr 2016, 20:24
Re: U-boat Celestial Navigation WWIIEd Popko11 Apr 2016, 14:01
Re: Advice on Box SextantEd Popko3 Apr 2016, 09:47
Re: Smithsonian "Time and Navigation" exhibit updatedEd Popko29 Mar 2016, 09:49
Smithsonian "Time and Navigation" exhibit updatedEd Popko28 Mar 2016, 19:13
Re: Scale a small area plotting sheet?Ed Popko6 Mar 2016, 12:52
Re: Scale a small area plotting sheet?Ed Popko1 Mar 2016, 10:49
Re: "Dalton Dead Reckoning Computor" Type E-6BEd Popko19 Feb 2016, 20:30
Re: Air Navigation, Local Hour Angle Type X-1 computerEd Popko18 Feb 2016, 23:32
Re: Air Navigation, Local Hour Angle Type X-1 computerEd Popko18 Feb 2016, 14:53
Air Navigation, Local Hour Angle Type X-1 computerEd Popko17 Feb 2016, 17:15
The Science of TimeEd Popko13 Feb 2016, 23:42
A "three dimensional slide-rule" for celestialEd Popko2 Feb 2016, 13:59
Re: Star identification puzzleEd Popko31 Jan 2016, 11:19
Re: Space sextantsEd Popko27 Jan 2016, 18:43
A wonderful dawn with all four planetsEd Popko19 Jan 2016, 11:41
Re: Traditional navigation by slide ruleEd Popko11 Jan 2016, 23:30
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionEd Popko3 Jan 2016, 15:58
Alt-Azimuth tablesDucruy Jacques4 Dec 2016, 10:54
Re: Hughes Tables.Ducruy Jacques29 Aug 2016, 16:20
Re: Hughes Tables.Ducruy Jacques28 Aug 2016, 15:20
Re: Golden Globe Race NavigationDoug MacPherson29 Dec 2016, 16:29
Re: Underway Daylight 3-Body FixDoug MacPherson24 Dec 2016, 00:56
Re: Death to the Intercept Method!Doug MacPherson4 Nov 2016, 22:27
Re: Celestial navigation classes: looking for suggestions...Doug MacPherson27 Oct 2016, 16:57
Re: Celestial navigation classes: looking for suggestions...Doug MacPherson26 Oct 2016, 22:08
Sunset FunDoug MacPherson6 Oct 2016, 01:31
Re: Attempting to decipher a "time sight"Doug MacPherson29 May 2016, 18:26
Re: Attempting to decipher a "time sight"Doug MacPherson28 May 2016, 17:56
Attempting to decipher a "time sight"Doug MacPherson27 May 2016, 19:14
"Time Sights" and Lines of PositionDoug MacPherson15 May 2016, 18:54
Prose and Poetry and NavigationDoug MacPherson27 Apr 2016, 06:58
Re: Jupiter in daylight and micrometer testDoug MacPherson18 Apr 2016, 02:47
Re: Sun altitude limits for natural horizon?Doug MacPherson20 Feb 2016, 22:31
Re: Instrument repairDonald C Macdonald Jr21 Feb 2016, 22:55
Re: USNS Bowditch - also Slocum!Don Seltzer18 Dec 2016, 15:09
Re: USNS Bowditch - also Slocum!Don Seltzer18 Dec 2016, 00:34
SextantDon Seltzer5 Dec 2016, 22:56
Re: Captains Logbook from 1687 describes longitudeDon Seltzer29 Nov 2016, 14:19
Re: Unless they're Vikings, old men can't navigateDon Seltzer18 Nov 2016, 14:30
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer2 Nov 2016, 13:25
Re: GPS out by milesDon Seltzer2 Nov 2016, 01:40
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer1 Nov 2016, 21:36
Re: Celestial navigation during the Civil WarDon Seltzer3 Oct 2016, 20:44
Re: Photo sextant sights & AppsDon Seltzer16 Sep 2016, 12:36
Re: Radar in July 1937 or too much MD370 reporting?Don Seltzer13 Sep 2016, 14:12
Re: William Bligh's navigation and mappingDon Seltzer26 Aug 2016, 21:13
Re: William Bligh's navigation and mappingDon Seltzer26 Aug 2016, 19:42
Re: Historical charts and mappingDon Seltzer17 Aug 2016, 20:22
Re: Latitude by midnight sunDon Seltzer16 Aug 2016, 19:03
Re: William Bligh's navigation and mappingDon Seltzer13 Aug 2016, 16:51
Re: William Bligh's navigation and mappingDon Seltzer12 Aug 2016, 02:21
Re: William Bligh's navigation and mappingDon Seltzer11 Aug 2016, 11:21
Re: William Bligh's navigation and mappingDon Seltzer11 Aug 2016, 01:28
Re: GPS jamming concernsDon Seltzer10 Aug 2016, 21:27
1947 Navigation lesson shipboardDon Seltzer5 Aug 2016, 20:36
Re: Setting a course when sailing into the wind.Don Seltzer29 Jul 2016, 11:55
Re: Setting a course when sailing into the wind.Don Seltzer28 Jul 2016, 21:12
Re: Setting a course when sailing into the wind.Don Seltzer28 Jul 2016, 14:56
Re: Sextant accuracy and possibility of future improvementDon Seltzer21 Jul 2016, 20:45
Re: Sextant accuracy and possibility of future improvementDon Seltzer20 Jul 2016, 15:15
Re: Sextant accuracy and possibility of future improvementDon Seltzer19 Jul 2016, 20:22
Re: Poll: Beetlejuice or BettlegherzDon Seltzer12 Jul 2016, 12:39
Re: Leap second in DecemberDon Seltzer9 Jul 2016, 23:40
Re: Leap second in DecemberDon Seltzer9 Jul 2016, 23:23
Re: Ten years managing NavListDon Seltzer9 Jul 2016, 11:00
Re: Mysterious celestial measurementDon Seltzer1 Jul 2016, 14:11
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer1 Jul 2016, 13:15
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer28 Jun 2016, 00:40
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer27 Jun 2016, 13:48
Re: Patrick O'Brian characters discuss time andlongitudeDon Seltzer26 Jun 2016, 23:43
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer26 Jun 2016, 19:34
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer26 Jun 2016, 15:41
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer25 Jun 2016, 20:19
Re: Patrick O'Brian characters discuss time and longitudeDon Seltzer25 Jun 2016, 14:25
Re: Thoughts on why 'north' is at the top of maps (BBC)Don Seltzer16 Jun 2016, 13:28
Re: We were off-course 97% of the timeDon Seltzer12 Jun 2016, 14:15
Re: Whyle Thomson & Co GlasgowDon Seltzer12 Jun 2016, 00:22
Re: Neat video about LEM stellar alignment scopeDon Seltzer11 Jun 2016, 23:25
Re: Neat video about LEM stellar alignment scopeDon Seltzer9 Jun 2016, 19:44
Re: Neat video about LEM stellar alignment scopeDon Seltzer9 Jun 2016, 15:03
Re: Neat video about LEM stellar alignment scopeDon Seltzer8 Jun 2016, 23:47
Re: 18th Century ShipDon Seltzer31 May 2016, 21:21
Re: Attempting to decipher a "time sight"Don Seltzer31 May 2016, 18:40
Re: Whaling logbooksDon Seltzer20 May 2016, 20:50
Re: The moons of Jupiter for Time or Position?Don Seltzer6 May 2016, 13:20
Re: Prose and Poetry and NavigationDon Seltzer27 Apr 2016, 14:24
Re: "Science of Time" conference in JuneDon Seltzer14 Apr 2016, 19:55
Re: Fine adjust a Davis Mk 3Don Seltzer26 Mar 2016, 13:21
Re: Compass CheckDon Seltzer21 Mar 2016, 23:48
Re: Name for sixty nautical milesDon Seltzer18 Mar 2016, 21:18
Re: Name for sixty nautical milesDon Seltzer18 Mar 2016, 00:41
Re: Name for sixty nautical milesDon Seltzer17 Mar 2016, 19:20
Re: CN on MarsDon Seltzer6 Feb 2016, 19:42
Re: Star CN with DSLR CameraDon Seltzer29 Jan 2016, 14:39
Re: Space sextantsDon Seltzer28 Jan 2016, 00:40
Re: Telescope for a 9 year old?Don E. Bray23 Jul 2016, 14:58
Re: Patrick O'Brian characters discuss time and longitudeDon E. Bray28 Jun 2016, 02:30
Re: Patrick O'Brian characters discuss time and longitudeDon E. Bray27 Jun 2016, 20:29
Celestial fix mathematical methodsDjamel Ait Amrane26 Feb 2016, 15:45
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDerrick Young5 Jan 2016, 02:26
Re: Greenwich England highlightsDavid Smith9 Nov 2016, 19:32
Re: SS WarrimooDavid Smith28 Sep 2016, 00:59
SS WarrimooDavid Smith27 Sep 2016, 23:09
Re: Anacapa Island Sun LineDavid Smith15 Sep 2016, 22:22
Re: An Astrovan at LastDavid Pike31 Dec 2016, 22:59
Showing a Mercator Projection is not a perspective projectionDavid Pike31 Dec 2016, 18:14
A conformal plotting sheet for high latitudesDavid Pike31 Dec 2016, 17:43
Re: The Sun does not stop for anyoneDavid Pike30 Dec 2016, 21:27
Re: The Sun does not stop for anyoneDavid Pike29 Dec 2016, 23:03
Re: The Sun does not stop for anyoneDavid Pike29 Dec 2016, 10:20
Re: An Astrovan at LastDavid Pike28 Dec 2016, 22:48
Re: The Sun does not stop for anyoneDavid Pike27 Dec 2016, 20:34
Re: The Sun does not stop for anyoneDavid Pike27 Dec 2016, 18:27
Re: The Sun does not stop for anyoneDavid Pike26 Dec 2016, 20:56
Re: The lie of the land: when map makers get it wrongDavid Pike26 Dec 2016, 11:26
Re: The Sun does not stop for anyoneDavid Pike26 Dec 2016, 10:58
Re: The Sun does not stop for anyoneDavid Pike24 Dec 2016, 21:05
An Astrovan at LastDavid Pike24 Dec 2016, 12:13
Re: Summer SolsticeDavid Pike23 Dec 2016, 21:40
Re: Constructing the next square up on a Mercator chart.David Pike23 Dec 2016, 19:52
Re: Summer SolsticeDavid Pike23 Dec 2016, 17:09
Constructing the next square up on a Mercator chart.David Pike23 Dec 2016, 14:36
Re: Summer SolsticeDavid Pike23 Dec 2016, 11:32
Kollsman Pendulous Reference Sextant QuestionsDavid Pike23 Dec 2016, 11:10
Re: Celestial navigation in animals?David Pike20 Dec 2016, 20:37
Galileo Goes LiveDavid Pike15 Dec 2016, 10:18
Re: The lie of the land: when map makers get it wrongDavid Pike13 Dec 2016, 00:24
Re: The lie of the land: when map ma kers get it wrong �� in pictures Book s The GuardianDavid Pike12 Dec 2016, 23:44
Re: Twitter Cel Nav ChallengeDavid Pike11 Dec 2016, 16:12
Re: USS Arizona mystery superstructure detailDavid Pike9 Dec 2016, 10:27
Re: Is Sextant a generic word?David Pike8 Dec 2016, 21:38
Re: Two men and the Old Man stage horizontal angle sightsDavid Pike8 Dec 2016, 21:11
Re: Two men and the Old Man stage horizontal angle sightsDavid Pike3 Dec 2016, 10:45
Re: Kollsman periscopic sextant mountDavid Pike29 Nov 2016, 23:16
Re: Kollsman periscopic sextant mountDavid Pike29 Nov 2016, 10:33
Re: Kollsman periscopic sextant mountDavid Pike28 Nov 2016, 18:00
Re: Great Circle Sailing ChartDavid Pike28 Nov 2016, 10:32
Re: Kollsman periscopic sextant mountDavid Pike28 Nov 2016, 10:16
Re: Kollsman periscopic sextant mountDavid Pike28 Nov 2016, 09:48
Re: Celestial Pre-computation Form for PolhemusDavid Pike24 Nov 2016, 23:19
Re: Celestial Pre-computation Form for PolhemusDavid Pike24 Nov 2016, 09:07
Re: Nautical or Statute Miles for Air NavigationDavid Pike23 Nov 2016, 21:34
Re: Nautical or Statute Miles for Air NavigationDavid Pike23 Nov 2016, 20:39
Nautical or Statute Miles for Air NavigationDavid Pike23 Nov 2016, 19:52
Celestial Pre-computation Form for PolhemusDavid Pike23 Nov 2016, 17:54
Re: Great Circle Sailing ChartDavid Pike23 Nov 2016, 09:56
Re: Polhemus templates for 1:2'500'000 scaleDavid Pike21 Nov 2016, 21:32
Re: Polhemus templates for 1:2'500'000 scaleDavid Pike21 Nov 2016, 21:21
Re: How Globes were Made in the 1950sDavid Pike19 Nov 2016, 09:45
Re: Unless they're Vikings, old men can't navigateDavid Pike17 Nov 2016, 21:55
Re: Unless they're Vikings, old men can't navigateDavid Pike17 Nov 2016, 21:17
Re: That magic number: 3438David Pike4 Nov 2016, 23:51
Re: That magic number: 3438David Pike4 Nov 2016, 19:57
Re: That magic number: 3438David Pike4 Nov 2016, 19:45
Re: Poster incorporating the Navigator's log from the Enola Gay for saleDavid Pike24 Oct 2016, 08:11
Poster incorporating the Navigator's log from the Enola Gay for saleDavid Pike23 Oct 2016, 20:52
Re: V-Correction for Sun? Answer from UKHO...David Pike18 Oct 2016, 08:20
Re: V-Correction for Sun? Answer from UKHO...David Pike18 Oct 2016, 05:32
Re: V-Correction for Sun? Answer from UKHO...David Pike16 Oct 2016, 23:13
Re: V-Correction for Sun? Answer from UKHO...David Pike16 Oct 2016, 23:04
Re: V-Correction for Sun? Answer from UKHO...David Pike16 Oct 2016, 20:24
Re: V-Correction for Sun? Answer from UKHO...David Pike16 Oct 2016, 09:53
Re: V-Correction for Sun? Answer from UKHO...David Pike15 Oct 2016, 07:45
Re: V-Correction for Sun? Answer from UKHO...David Pike14 Oct 2016, 19:14
Re: V-Correction for Sun? Answer from UKHO...David Pike13 Oct 2016, 23:58
Re: An "Indiana Jones" momentDavid Pike10 Oct 2016, 23:00
US moves towards eLoran?David Pike7 Oct 2016, 20:54
Re: Speed of SunsetDavid Pike2 Oct 2016, 11:56
Re: Speed of SunsetDavid Pike2 Oct 2016, 09:01
Re: Speed of SunsetDavid Pike1 Oct 2016, 22:18
Re: Speed of SunsetDavid Pike1 Oct 2016, 20:25
Re: Speed of SunsetDavid Pike30 Sep 2016, 21:10
Re: Searching for the "article of George Huxtable on logarithmic computations"David Pike23 Sep 2016, 19:34
Re: Sun near zenith sightDavid Pike22 Sep 2016, 22:47
Re: Sun near zenith sightDavid Pike22 Sep 2016, 21:44
Re: Sun near zenith sightDavid Pike22 Sep 2016, 20:59
Tracking for allDavid Pike18 Sep 2016, 22:12
Re: A-12 sextant smellDavid Pike16 Sep 2016, 23:00
Radar in July 1937 or too much MD370 reporting?David Pike13 Sep 2016, 09:03
Re: Puzzled by Douglas Protractor InstructionsDavid Pike11 Sep 2016, 18:56
Re: Lose the war if it's cloudyDavid Pike9 Sep 2016, 21:47
Re: Puzzled by Douglas Protractor InstructionsDavid Pike5 Sep 2016, 11:22
Re: Puzzled by Douglas Protractor InstructionsDavid Pike5 Sep 2016, 09:00
Re: Puzzled by Douglas Protractor InstructionsDavid Pike4 Sep 2016, 22:26
Re: Puzzled by Douglas Protractor InstructionsDavid Pike4 Sep 2016, 21:58
Re: Puzzled by Douglas Protractor InstructionsDavid Pike4 Sep 2016, 19:00
Re: Puzzled by Douglas Protractor InstructionsDavid Pike4 Sep 2016, 16:08
Re: Lunars: how to use the prop.log tables?David Pike2 Sep 2016, 20:07
Re: Lunars: how to use the prop.log tables?David Pike2 Sep 2016, 07:44
Re: Lunars: how to use the prop.log tables?David Pike1 Sep 2016, 23:01
Re: Lunars: how to use the prop.log tables?David Pike1 Sep 2016, 22:48
Re: A lesson in a photoDavid Pike30 Aug 2016, 10:28
Re: A lesson in a photoDavid Pike30 Aug 2016, 08:30
Re: A lesson in a photoDavid Pike28 Aug 2016, 20:15
Re: Kollsman periscopic sextant mount AFNOA has 5 models of D-1David Pike28 Aug 2016, 19:32
Re: A lesson in a photoDavid Pike28 Aug 2016, 11:19
Re: Finding Latitude at Sea from Two Altitudes of the Sun and a Possibly Incorrect WatchDavid Pike28 Aug 2016, 09:08
Re: Finding Latitude at Sea from Two Altitudes of the Sun and a Possibly Incorrect WatchDavid Pike27 Aug 2016, 21:00
Re: William Bligh's navigation and mappingDavid Pike26 Aug 2016, 20:49
Finding Latitude at Sea from Two Altitudes of the Sun and a Possibly Incorrect WatchDavid Pike26 Aug 2016, 19:40
Re: Brent's Double Altitude MethodDavid Pike25 Aug 2016, 21:39
Re: Historical charts and mappingDavid Pike21 Aug 2016, 22:02
Re: LED conversion Astra IIIBDavid Pike19 Aug 2016, 18:43
Grumman AA-5David Pike19 Aug 2016, 17:57
Re: Latitude by midnight sunDavid Pike16 Aug 2016, 18:23
Re: More bluster for the Year of StupidDavid Pike12 Aug 2016, 07:18
Re: Setting a course when sailing into the wind.David Pike29 Jul 2016, 07:08
Re: Setting a course when sailing into the wind.David Pike28 Jul 2016, 19:19
Re: Telescope for a 9 year old?David Pike23 Jul 2016, 08:06
Re: Sextant accuracy and possibility of future improvementDavid Pike21 Jul 2016, 18:52
Re: And even more celestial-in-case-GPS-goes-down sillinessDavid Pike19 Jul 2016, 20:39
Loss of accuracy using Sun over Sun with a mercury artificial horizon?David Pike18 Jul 2016, 07:57
Re: Poll: Beetlejuice or BettlegherzDavid Pike12 Jul 2016, 07:59
Re: Sextant platform for lunarsDavid Pike10 Jul 2016, 16:55
Re: Ten years managing NavListDavid Pike10 Jul 2016, 10:27
Re: Sextant platform for lunarsDavid Pike10 Jul 2016, 10:16
Re: AstroNav CourseDavid Pike6 Jul 2016, 20:01
Re: Thoughts on why 'north' is at the top of maps (BBC)David Pike16 Jun 2016, 09:07
Re: Whyle Thomson & Co GlasgowDavid Pike12 Jun 2016, 09:22
Re: We were off-course 97% of the timeDavid Pike12 Jun 2016, 08:40
Re: Who's this using a Plath Coutinho SextantDavid Pike3 Jun 2016, 18:41
Re: Who's this using a Plath Coutinho SextantDavid Pike3 Jun 2016, 18:35
Who's this using a Plath Coutinho SextantDavid Pike3 Jun 2016, 18:33
Re: Human Navigation bookDavid Pike19 May 2016, 00:11
Re: More Coutinho QuestionsDavid Pike4 May 2016, 07:02
More Coutinho QuestionsDavid Pike3 May 2016, 22:51
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantDavid Pike2 May 2016, 21:41
Re: Bubble sextant developmentDavid Pike2 May 2016, 20:57
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantDavid Pike30 Apr 2016, 21:37
Re: The Observer’s Book on Astro-NavigationDavid Pike30 Apr 2016, 21:21
Re: Prose and Poetry and NavigationDavid Pike28 Apr 2016, 08:01
Re: Not another Plath Gyro-Sextant question?David Pike27 Apr 2016, 20:17
Not another Plath Gyro-Sextant question?David Pike27 Apr 2016, 10:59
Re: Puzzled by Douglas Protractor InstructionsDavid Pike25 Apr 2016, 21:25
RMS Carpathia sextant for re-auction.David Pike20 Apr 2016, 20:45
Re: What might this be?David Pike17 Apr 2016, 20:06
Re: What might this be?David Pike17 Apr 2016, 19:59
Re: The Wild T4 Theodolite - Don't Sneeze!David Pike7 Apr 2016, 10:19
Re: Observe refraction: Earth's Limb from the ISSDavid Pike5 Apr 2016, 08:28
Re: The Wild T4 Theodolite - Don't Sneeze!David Pike4 Apr 2016, 07:26
Re: Advice on Box SextantDavid Pike3 Apr 2016, 23:44
Re: The Wild T4 Theodolite - Don't Sneeze!David Pike3 Apr 2016, 19:26
Re: The Observer’s Book on Astro-NavigationDavid Pike3 Apr 2016, 09:20
Re: The Observer’s Book on Astro-NavigationDavid Pike3 Apr 2016, 07:23
The Observer’s Book on Astro-NavigationDavid Pike2 Apr 2016, 08:19
More GPS Jamming?David Pike1 Apr 2016, 22:08
Re: Advice on Box SextantDavid Pike1 Apr 2016, 15:21
Re: The Wild T4 Theodolite - Don't Sneeze!David Pike30 Mar 2016, 09:00
The Wild T4 Theodolite - Don't Sneeze!David Pike29 Mar 2016, 10:36
Re: Balloon SextantsDavid Pike29 Mar 2016, 10:00
Re: Balloon SextantsDavid Pike28 Mar 2016, 19:21
Re: Balloon SextantsDavid Pike28 Mar 2016, 14:13
Balloon SextantsDavid Pike27 Mar 2016, 20:21
Re: Why a silver index scale?David Pike27 Mar 2016, 09:41
Re: Fine adjust a Davis Mk 3David Pike26 Mar 2016, 13:02
Re: Compass CheckDavid Pike21 Mar 2016, 23:19
Re: Compass CheckDavid Pike20 Mar 2016, 20:25
Re: A One-Hour Presentation on Celestial NavigationDavid Pike18 Mar 2016, 21:48
Re: Kollsman Mounting – Double Good LuckDavid Pike18 Mar 2016, 20:57
Re: Name for sixty nautical milesDavid Pike18 Mar 2016, 17:03
Sextant Gyroscopic HorizonsDavid Pike16 Mar 2016, 21:58
Re: What is this on this sextantDavid Pike16 Mar 2016, 21:00
Kollsman Mounting – Double Good LuckDavid Pike16 Mar 2016, 13:18
Re: What is this on this sextantDavid Pike16 Mar 2016, 12:54
Re: Zn determination and proper dip short distanceDavid Pike15 Mar 2016, 00:26
Sextant or Range-finderDavid Pike12 Mar 2016, 09:17
Re: GPS outagesDavid Pike8 Mar 2016, 10:18
Plotting Mercator or Passage Making?David Pike28 Feb 2016, 21:20
Re: What is this on this sextantDavid Pike23 Feb 2016, 00:59
Re: What is this on this sextantDavid Pike20 Feb 2016, 20:45
Re: "Dalton Dead Reckoning Computor" Type E-6BDavid Pike19 Feb 2016, 22:34
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike18 Feb 2016, 20:23
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike18 Feb 2016, 09:24
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike17 Feb 2016, 22:49
Re: Celestial training planetarium 1950David Pike15 Feb 2016, 10:32
Re: Best way to record time for solo sightsDavid Pike14 Feb 2016, 22:32
Re: Polhemus computer available now on ebayDavid Pike14 Feb 2016, 20:47
Air Cdre John MitchellDavid Pike13 Feb 2016, 22:46
Re: Kollsman periscopic sextant mount CorrectionDavid Pike4 Feb 2016, 21:03
Re: Kollsman periscopic sextant mount CorrectionDavid Pike4 Feb 2016, 16:09
Re: Was this optical instrument designed for celestial navigation?David Pike3 Feb 2016, 20:06
Re: Was this optical instrument designed for celestial navigation?David Pike3 Feb 2016, 09:09
Re: Star identification puzzleDavid Pike31 Jan 2016, 16:34
Re: Star identification puzzleDavid Pike31 Jan 2016, 13:01
Re: Kollsman periscopic sextant mount CorrectionDavid Pike30 Jan 2016, 01:06
Re: Threats to GPS and introduction of eLORANDavid Pike29 Jan 2016, 16:52
Re: Kollsman periscopic sextant mount CorrectionDavid Pike29 Jan 2016, 10:18
Re: Kollsman periscopic sextant mount CorrectionDavid Pike27 Jan 2016, 20:41
Re: Planning a fix with >45 degrees intersection inLOPsDavid Pike27 Jan 2016, 10:20
Re: Henry Worsley, Antarctic adventurerDavid Pike26 Jan 2016, 10:39
Re: Planning a fix with >45 degrees intersection inLOPsDavid Pike26 Jan 2016, 10:03
Re: Space sextantsDavid Pike25 Jan 2016, 01:03
Re: Space sextantsDavid Pike24 Jan 2016, 20:25
Re: Great Circle Sailing ChartDavid Pike20 Jan 2016, 20:52
Re: Kollsman periscopic sextant mount CorrectionDavid Pike20 Jan 2016, 14:46
Re: Kollsman periscopic sextant mountDavid Pike20 Jan 2016, 09:37
Re: Great Circle Sailing ChartDavid Pike20 Jan 2016, 00:08
Pronouncing EratosthenesDavid Pike17 Jan 2016, 17:45
Re: Great Circle Sailing ChartDavid Pike17 Jan 2016, 16:50
Re: Borrowed BygraveDavid Pike17 Jan 2016, 16:11
Re: Great Circle Sailing ChartDavid Pike15 Jan 2016, 10:20
Re: Great Circle Sailing ChartDavid Pike15 Jan 2016, 02:11
Borrowed BygraveDavid Pike15 Jan 2016, 00:41
Re: U-boat Celestial Navigation WWIIDavid Pike15 Jan 2016, 00:36
Re: U-boat Celestial Navigation WWIIDavid Pike14 Jan 2016, 17:51
Re: U-boat Celestial Navigation WWIIDavid Pike12 Jan 2016, 09:21
Re: U-boat Celestial Navigation WWIIDavid Pike9 Jan 2016, 22:01
Re: Traditional navigation by slide ruleDavid Pike9 Jan 2016, 21:20
Re: U-boat Celestial Navigation WWIIDavid Pike9 Jan 2016, 09:34
Re: Air vs. water: MOB and MOO table corrections in HO 249David Pike8 Jan 2016, 20:55
Re: Accuracy of Nautical Almanac vs Air AlmanacDavid Pike8 Jan 2016, 18:12
Re: Traditional navigation by slide ruleDavid Pike7 Jan 2016, 10:54
Re: Traditional navigation by slide ruleDavid Pike6 Jan 2016, 22:07
Re: Traditional navigation by slide ruleDavid Pike6 Jan 2016, 20:38
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDavid Pike4 Jan 2016, 17:18
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDavid Pike1 Jan 2016, 21:21
Re: A Nautical Almanac questionDavid Fleming24 Nov 2016, 20:15
Re: Great Circle Course via calculator & HO 208David Fleming5 Oct 2016, 06:47
Re: Great Circle Course via calculator & HO 208David Fleming5 Oct 2016, 03:37
Re: Great Circle Course via calculator & HO 208David Fleming4 Oct 2016, 18:08
Re: Great Circle Course via calculator & HO 208David Fleming4 Oct 2016, 17:45
Re: A lesson in a photoDavid Fleming28 Aug 2016, 14:12
Re: Messing with the scale of a plotting sheetDavid Fleming16 Feb 2016, 19:37
Re: CN on MarsDavid Fleming6 Feb 2016, 17:23
Re: Planning a fix with >45 degrees intersection in LOPsDavid Fleming25 Jan 2016, 22:11
Re: Spherical triangle split by right trianglesDavid Fleming22 Jan 2016, 23:22
Re: Spherical triangle split by right trianglesDavid Fleming22 Jan 2016, 20:39
Re: Leap second on December 31David C31 Dec 2016, 21:23
Re: First Venus sightDavid C31 Dec 2016, 01:42
First Venus sightDavid C29 Dec 2016, 20:28
Re: The Sun does not stop for anyoneDavid C29 Dec 2016, 20:06
Re: The Sun does not stop for anyoneDavid C27 Dec 2016, 01:27
Re: The Sun does not stop for anyoneDavid C26 Dec 2016, 07:15
Re: Summer SolsticeDavid C24 Dec 2016, 07:04
Re: The Sun does not stop for anyoneDavid C24 Dec 2016, 04:38
Re: Summer SolsticeDavid C24 Dec 2016, 04:31
Re: The Sun does not stop for anyoneDavid C24 Dec 2016, 01:09
Re: Summer SolsticeDavid C21 Dec 2016, 20:35
Re: Personal Equation and Index ErrorDavid C21 Dec 2016, 07:10
Re: Summer SolsticeDavid C21 Dec 2016, 06:57
Re: Summer SolsticeDavid C21 Dec 2016, 01:30
Personal Equation and Index ErrorDavid C21 Dec 2016, 00:27
Re: Summer SolsticeDavid C20 Dec 2016, 21:14
Summer SolsticeDavid C20 Dec 2016, 18:58
Re: The Sun does not stop for anyoneDavid C17 Dec 2016, 21:34
Re: The Sun does not stop for anyoneDavid C17 Dec 2016, 20:45
The Sun does not stop for anyoneDavid C17 Dec 2016, 09:20
Re: Emergency Meridian AltitudeDavid C11 Dec 2016, 02:53
Re: Is Sextant a generic word?David C10 Dec 2016, 01:39
Re: Emergency Meridian AltitudeDavid C9 Dec 2016, 19:54
Emergency Meridian AltitudeDavid C9 Dec 2016, 07:18
Re: Long by ChronDavid C8 Dec 2016, 03:17
Re: Equal altitude puzzle from a movieDavid C7 Dec 2016, 04:10
Re: Blackburn's C2 table...a rambleDavid C5 Dec 2016, 19:51
Re: Winter Solstice and Camera CNDavid C5 Dec 2016, 19:44
Re: Double Altitude - Sensitivity to Time IntervalDavid C5 Dec 2016, 19:38
Double Altitude - Sensitivity to Time IntervalDavid C5 Dec 2016, 07:44
Re: Blackburn's C2 table...a rambleDavid C4 Dec 2016, 04:26
Re: Blackburn's C2 table...a rambleDavid C3 Dec 2016, 20:59
Re: Blackburn's C2 table...a rambleDavid C3 Dec 2016, 09:18
Blackburn's C2 table...a rambleDavid C3 Dec 2016, 07:17
Re: Two men and the Old Man stage horizontal angle sightsDavid C3 Dec 2016, 01:30
Two men and the Old Man stage horizontal angle sightsDavid C2 Dec 2016, 22:47
Re: Long by ChronDavid C29 Nov 2016, 19:37
Re: Captains Logbook from 1687 describes longitudeDavid C29 Nov 2016, 04:06
Long by ChronDavid C29 Nov 2016, 03:16
Cellnav trained mariners and aviatorsDavid C28 Nov 2016, 07:34
Brent's Double Altitude MethodDavid C25 Aug 2016, 04:41
Re: Historical charts and mappingDavid C20 Aug 2016, 02:14
Re: Historical charts and mappingDavid C18 Aug 2016, 22:47
Classic Ageton two page tableDavid C12 Aug 2016, 23:45
Re: GPS jamming concernsDavid C10 Aug 2016, 07:16
Re: Navy wig wagDavid C10 Aug 2016, 04:25
Re: GPS jamming concernsDavid C10 Aug 2016, 02:35
Cloudy Weather Johnson - Web SiteDavid C7 Aug 2016, 04:51
Re: Were Short methods really Short?David C6 Aug 2016, 02:12
Re: Were Short methods really Short?David C5 Aug 2016, 23:24
Re: Were Short methods really Short?David C5 Aug 2016, 00:19
Re: Cannot focus sextant telescopesDavid C4 Aug 2016, 04:42
Re: Were Short methods really Short?David C4 Aug 2016, 03:15
Re: Were Short methods really Short?David C4 Aug 2016, 02:41
Were Short methods really Short?David C2 Aug 2016, 23:22
Re: Cannot focus sextant telescopesDavid C2 Aug 2016, 22:42
Re: Cannot focus sextant telescopesDavid C2 Aug 2016, 21:52
Cannot focus sextant telescopesDavid C2 Aug 2016, 03:14
Re: HO 211 with Sadler methodDavid C29 Jul 2016, 23:17
Re: HO 211 with Sadler methodDavid C29 Jul 2016, 22:36
Re: 1850s Metal Sextant - Hard to read the scalesDavid C26 Jul 2016, 21:37
Re: 40+ year ambition achievedDavid C25 Jul 2016, 23:24
Re: 40+ year ambition achievedDavid C25 Jul 2016, 05:16
40+ year ambition achievedDavid C24 Jul 2016, 05:43
Re: Sextant accuracy and possibility of future improvementDavid C22 Jul 2016, 03:48
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?David C19 Jul 2016, 03:26
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?David C19 Jul 2016, 02:27
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?David C18 Jul 2016, 21:31
Re: Visual Satellite NavigationDavid C11 Jul 2016, 09:34
Re: AstroNav CourseDavid C7 Jul 2016, 02:22
Re: AstroNav CourseDavid C6 Jul 2016, 23:20
Re: Updated Windows lunar distance program v. 4.0.1.0David C4 Jul 2016, 09:31
Re: AM and PM time sightsDavid C29 Jun 2016, 20:39
Re: AM and PM time sightsDavid C28 Jun 2016, 07:01
AM and PM time sightsDavid C28 Jun 2016, 03:27
Re: Meaning of TildeDavid C22 Jun 2016, 01:41
Re: Intercept and distanceDavid C21 Jun 2016, 00:56
Re: Happy "SHA 270 Day"!David C21 Jun 2016, 00:48
Meaning of TildeDavid C20 Jun 2016, 23:58
Re: Intercept and distanceDavid C20 Jun 2016, 23:23
Re: Intercept and distanceDavid C18 Jun 2016, 02:44
Re: Intercept and distanceDavid C17 Jun 2016, 17:50
Re: Intercept and distanceDavid C17 Jun 2016, 17:40
Re: Intercept and distanceDavid C17 Jun 2016, 01:32
Re: Intercept and distanceDavid C17 Jun 2016, 01:16
Re: Intercept and distanceDavid C16 Jun 2016, 05:55
Intercept and distanceDavid C16 Jun 2016, 03:58
Re: Thoughts on why 'north' is at the top of maps (BBC)David C16 Jun 2016, 03:07
Re: Whyle Thomson & Co GlasgowDavid C13 Jun 2016, 05:08
Re: Whyle Thomson & Co GlasgowDavid C12 Jun 2016, 00:59
Whyle Thomson & Co GlasgowDavid C11 Jun 2016, 22:26
New book on GPSDavid Barrie10 Aug 2016, 09:07
Re: Patrick O'Brian characters discuss time and longitudeDavid Barrie27 Jun 2016, 10:18
Re: Human Navigation bookDavid Barrie17 May 2016, 21:20
Re: French Sailing Legend Ditching Modern TechDavid Barrie7 May 2016, 10:37
Re: Threats to GPS and introduction of eLORANDavid Barrie29 Jan 2016, 11:01
Threats to GPS and introduction of eLORANDavid Barrie28 Jan 2016, 10:45
Re: Great Circle Course via calculator & HO 208Dave Walden5 Oct 2016, 11:48
Re: Searching for the "article of George Huxtable on logarithmic computations"Dave Walden24 Sep 2016, 12:47
Re: Abhav sightreduction?Dave Walden16 Sep 2016, 03:58
Re: Abhav sightreduction?Dave Walden15 Sep 2016, 01:54
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Dave Walden6 Sep 2016, 12:06
Re: Is there a way to produce Sight reduction tables for air navigationDave Walden4 Sep 2016, 12:39
Re: Summer ViewingDave Walden31 Aug 2016, 12:23
Re: Sextant InformationDave Walden10 Aug 2016, 19:17
Re: Navy wig wagDave Walden10 Aug 2016, 01:34
Navy wig wagDave Walden10 Aug 2016, 01:30
Re: Windows lunar distance program v. 4.0.2.0Dave Walden5 Aug 2016, 13:32
Celestial for allDave Walden17 Jul 2016, 22:07
Re: Visual Satellite NavigationDave Walden11 Jul 2016, 12:21
Sextants at SeaDave Walden21 Jun 2016, 14:58
Re: 2016, June 14th Mars LunarsDave Walden20 Jun 2016, 02:32
Re: 2016, June 14th Mars LunarsDave Walden18 Jun 2016, 12:44
Re: Neat video about LEM stellar alignment scopeDave Walden11 Jun 2016, 11:39
Re: Whaling logbooksDave Walden16 May 2016, 17:24
Re: Coordinates from IMCCE and JPL HORIZONSDave Walden15 Mar 2016, 02:05
Re: Celestial data for the scorpion's stingerDave Walden28 Feb 2016, 04:32
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 13:49
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 06:34
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 06:23
Re: Celestial data for the planet MercuryDave Walden22 Feb 2016, 13:28
Re: Best way to record time for solo sightsDave Walden17 Feb 2016, 16:08
Re: CN on MarsDave Walden9 Feb 2016, 14:39
Re: Star identification puzzleDave Walden1 Feb 2016, 14:04
Re: Star identification puzzleDave Walden31 Jan 2016, 13:18
Re: U.S. Naval Academy Reinstates CelestialDave Walden27 Jan 2016, 19:26
Re: Planning a fix with >45 degrees intersection inLOPsDave Walden27 Jan 2016, 14:01
Re: Traditional navigation by slide ruleDave Walden22 Jan 2016, 05:37
Re: A wonderful dawn with all four planetsDave Walden19 Jan 2016, 14:12
Assumed altitude method - daviesDave Walden16 Jan 2016, 14:54
Re: U-boat Celestial Navigation WWIIDave Walden8 Jan 2016, 23:44
Re: Whaling logbooksDale Lichtblau16 May 2016, 13:16
Re: LED conversion Astra IIIBDale Bletso18 Aug 2016, 16:39
Re: LED conversion Astra IIIBDale Bletso18 Aug 2016, 16:34
LED conversion Astra IIIBDale Bletso18 Aug 2016, 10:48
Re: Celestial data for the planet MercuryDale Bletso22 Feb 2016, 22:09
Re: Best way to record time for solo sightsDale Bletso22 Feb 2016, 21:56
Napier diagramDale Bletso27 Jan 2016, 21:48
Re: Where is Napier Diagram PostedDale Bletso27 Jan 2016, 21:45
Re: Celestial Navigation in the MoviesChris Willmes5 Dec 2016, 22:09
Re: Astronomical PhenomenaChris Presmeg12 May 2016, 19:32
Re: Practice Horizon BubbleCharles McElhill2 Aug 2016, 15:41
Re: Practice Horizon BubbleCharles McElhill2 Aug 2016, 15:26
Re: Practice Horizon BubbleCharles McElhill28 Jul 2016, 15:51
Re: Practice Horizon BubbleCharles McElhill28 Jul 2016, 15:39
Re: Practice Horizon BubbleCharles McElhill28 Jul 2016, 15:36
Practice Horizon BubbleCharles McElhill26 Jul 2016, 15:43
Re: Setting seconds on a digital displayCharles M24 Aug 2016, 16:03
First Nations Navigation - west coast of British Columbia?Carly Butler20 Dec 2016, 00:47
Re: Searching for the "article of George Huxtable on logarithmic computations"Captain Stephen Sprehn23 Sep 2016, 14:56
Re: Is Sextant a generic word?Bruce J. Pennino11 Dec 2016, 20:22
Re: Twitter Cel Nav ChallengeBruce J. Pennino11 Dec 2016, 16:33
Re: Is Sextant a generic word?Bruce J. Pennino9 Dec 2016, 13:20
Re: Great Circle Course via calculator & HO 208Bruce J. Pennino28 Oct 2016, 20:17
Re: Celestial navigation classes: looking for suggestions...Bruce J. Pennino28 Oct 2016, 20:12
Re: Celestial navigation classes: looking for suggestions...Bruce J. Pennino28 Oct 2016, 13:49
Re: Celestial navigation classes: looking for suggestions...Bruce J. Pennino28 Oct 2016, 13:36
Re: Weems Second Setting Navigation WatchBruce J. Pennino26 Oct 2016, 00:35
Re: Great Circle Course via calculator & HO 208Bruce J. Pennino17 Oct 2016, 22:54
Charles W. Morgan on DockBruce J. Pennino17 Oct 2016, 13:30
Re: Sunset FunBruce J. Pennino6 Oct 2016, 13:45
Great Circle Course via calculator & HO 208Bruce J. Pennino1 Oct 2016, 15:20
Re: How far away can you see landBruce J. Pennino24 Sep 2016, 16:01
Re: How far away can you see landBruce J. Pennino24 Sep 2016, 14:56
Reset Clock with Known LocationBruce J. Pennino16 Sep 2016, 20:02
Re: Is there a way to produce Sight reduction tables for air navigationBruce J. Pennino4 Sep 2016, 14:46
Re: Historical charts and mappingBruce J. Pennino19 Aug 2016, 13:48
Re: Museo Naval, MadridBruce J. Pennino3 Aug 2016, 22:12
Re: Museo Naval, MadridBruce J. Pennino2 Aug 2016, 15:43
Fred Noonan CriticizedBruce J. Pennino14 Jun 2016, 20:09
Use for Prime Vertical (PV)Bruce J. Pennino6 Jun 2016, 00:34
Re: Navigation - a state of mind?Bruce J. Pennino3 Jun 2016, 23:38
Re: The Length of a DayBruce J. Pennino25 May 2016, 22:17
Re: Whaling logbooksBruce J. Pennino20 May 2016, 20:18
Re: Whaling logbooksBruce J. Pennino20 May 2016, 20:13
Re: Celnav article in Ocean Navigator MagazineBruce J. Pennino11 May 2016, 16:52
Re: Celestial position-finding on landBruce J. Pennino3 May 2016, 00:20
Maps and Charts at Mystic SeaportBruce J. Pennino28 Apr 2016, 12:50
Re: U-boat Celestial Navigation WWIIBruce J. Pennino19 Apr 2016, 13:20
Re: The Wild T4 TheodoliteBruce J. Pennino4 Apr 2016, 22:14
Re: Advice on Box SextantBruce J. Pennino30 Mar 2016, 12:53
Re: Compass CheckBruce J. Pennino21 Mar 2016, 22:01
Re: Compass CheckBruce J. Pennino20 Mar 2016, 15:38
Compass CheckBruce J. Pennino19 Mar 2016, 16:30
Re: A One-Hour Presentation on Celestial NavigationBruce J. Pennino12 Mar 2016, 14:40
Re: Weems talk Thursday at Mystic SeaportBruce J. Pennino29 Feb 2016, 19:03
Re: Planning a fix with >45 degrees intersection in LOPsBruce J. Pennino25 Jan 2016, 22:51
Re: Prime Meridian on the moveBruce J. Pennino16 Jan 2016, 02:39
Re: Best Budget Sextant for Novice Celestial NavigatorsBruce Cutting10 Nov 2016, 22:47
Re: SNO-M sextant manualBruce Cutting3 Oct 2016, 00:04
Re: LED conversion Astra IIIBBruce Cutting18 Aug 2016, 18:13
Re: Historical charts and mappingBruce Cutting17 Aug 2016, 23:06
Re: Ten years managing NavListBruce Cutting10 Jul 2016, 23:34
Re: Thoughts on why 'north' is at the top of maps (BBC)Bruce Cutting15 Jun 2016, 20:27
Re: Cellphone & Sextant tetheringBruce Cutting3 Jun 2016, 21:13
Re: Better Aging Through Celestial Navigation?Bruce Cutting9 May 2016, 15:55
Re: Vernier Scale on Box SextantBrian Walton12 Sep 2016, 10:28
Re: Advice on Box SextantBrian Walton4 Apr 2016, 16:47
Re: Advice on Box SextantBrian Walton3 Apr 2016, 08:00
Re: Advice on Box SextantBrian Walton30 Mar 2016, 17:15
Re: Advice on Box SextantBrian Walton30 Mar 2016, 07:18
Re: Clearing the Lunar Distance via Trig TablesBrian Johnson6 Jul 2016, 03:42
Clearing the Lunar Distance via Trig TablesBrian Johnson22 Mar 2016, 14:55
Re: Summer SolsticeBrad Morris24 Dec 2016, 04:43
Re: Summer SolsticeBrad Morris23 Dec 2016, 14:37
Re: Pistor & Martin's Prismatic SextantBrad Morris23 Dec 2016, 14:10
Re: Pistor & Martin's Prismatic SextantBrad Morris23 Dec 2016, 05:20
Pistor & Martin's Prismatic SextantBrad Morris22 Dec 2016, 00:35
Re: Summer SolsticeBrad Morris21 Dec 2016, 23:40
Re: Celestial navigation in animals?Brad Morris20 Dec 2016, 04:21
Re: Celestial navigation in animals?Brad Morris20 Dec 2016, 04:19
Re: Santa Barbara 2016: Venus sightBrad Morris19 Dec 2016, 18:45
Re: USNS Bowditch - also Slocum!Brad Morris18 Dec 2016, 00:16
Re: Captains Logbook from 1687 describes longitudeBrad Morris29 Nov 2016, 04:06
Re: The flat BygraveBrad Morris25 Nov 2016, 18:26
Re: "Super-Lune du siècle"Brad Morris17 Nov 2016, 20:03
Re: Traditional navigation by slide ruleBrad Morris12 Nov 2016, 16:22
Re: Greenwich England highlightsBrad Morris8 Nov 2016, 05:48
Re: Strange goings with a Casio G Shock watchBrad Morris5 Nov 2016, 18:29
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris2 Nov 2016, 13:45
Re: Celestial navigation classes: looking for suggestions...Brad Morris28 Oct 2016, 19:04
Re: Traditional navigation by slide ruleBrad Morris18 Oct 2016, 20:10
Re: DIY planisphere: how to begin with it?Brad Morris18 Oct 2016, 19:58
Re: DIY planisphere: how to begin with it?Brad Morris17 Oct 2016, 20:05
Re: DIY planisphere: how to begin with it?Brad Morris17 Oct 2016, 18:19
Re: Sextant of the future?Brad Morris16 Sep 2016, 18:56
Re: Radar in July 1937 or too much MD370 reporting?Brad Morris13 Sep 2016, 19:18
Re: Historical charts and mappingBrad Morris22 Aug 2016, 01:40
Re: Historical charts and mappingBrad Morris19 Aug 2016, 03:14
Re: LED conversion Astra IIIBBrad Morris18 Aug 2016, 17:50
Re: Latitude by midnight sunBrad Morris16 Aug 2016, 15:27
Re: William Bligh's navigation and mappingBrad Morris11 Aug 2016, 23:29
Re: GPS jamming concernsBrad Morris9 Aug 2016, 17:07
Re: Were Short methods really Short?Brad Morris4 Aug 2016, 04:06
Re: Working Model MHR1 SlideruleBrad Morris2 Aug 2016, 04:50
Re: Working Model MHR1 SlideruleBrad Morris1 Aug 2016, 02:36
Re: Practice Horizon BubbleBrad Morris29 Jul 2016, 06:01
Re: Practice Horizon BubbleBrad Morris29 Jul 2016, 04:39
Re: 1850s Metal Sextant - Hard to read the scalesBrad Morris26 Jul 2016, 18:50
Re: Practice Horizon BubbleBrad Morris26 Jul 2016, 18:47
Re: Sextant RepairsBrad Morris25 Jul 2016, 14:20
Re: Sextant accuracy and possibility of future improvementBrad Morris20 Jul 2016, 15:58
Re: Sextant accuracy and possibility of future improvementBrad Morris20 Jul 2016, 02:20
Re: Sextant accuracy and possibility of future improvementBrad Morris19 Jul 2016, 18:39
Re: Visual Satellite NavigationBrad Morris11 Jul 2016, 19:45
Re: Ten years managing NavListBrad Morris8 Jul 2016, 04:36
Re: Ten years managing NavListBrad Morris7 Jul 2016, 23:04
Re: Thoughts on why 'north' is at the top of maps (BBC)Brad Morris30 Jun 2016, 23:18
Re: Fred Noonan CriticizedBrad Morris22 Jun 2016, 09:00
Re: 2016, June 14th Mars LunarsBrad Morris20 Jun 2016, 22:56
Re: 2016, June 14th Mars LunarsBrad Morris20 Jun 2016, 08:42
Re: We were off-course 97% of the timeBrad Morris12 Jun 2016, 06:08
Re: Neat video about LEM stellar alignment scopeBrad Morris9 Jun 2016, 16:07
Re: Neat video about LEM stellar alignment scopeBrad Morris9 Jun 2016, 05:24
Re: Cellphone tetheringBrad Morris9 Jun 2016, 05:11
Re: Neat video about LEM stellar alignment scopeBrad Morris7 Jun 2016, 20:27
Re: Low altitude sunBrad Morris20 May 2016, 14:39
Re: Low altitude sunBrad Morris19 May 2016, 18:11
Re: Transit of Mercury TodayBrad Morris10 May 2016, 19:18
Re: Transit of Mercury TodayBrad Morris10 May 2016, 03:04
Re: The moons of Jupiter for Time or Position?Brad Morris6 May 2016, 05:27
Re: More Coutinho QuestionsBrad Morris5 May 2016, 02:08
Re: More Coutinho QuestionsBrad Morris4 May 2016, 15:39
Re: More Coutinho QuestionsBrad Morris4 May 2016, 04:40
Re: South Korea Revives GPS Backup ProjectBrad Morris4 May 2016, 04:24
Re: Jupiter in daylight and micrometer testBrad Morris3 May 2016, 12:53
Re: The Observer’s Book on Astro-NavigationBrad Morris30 Apr 2016, 23:49
Re: The Observer’s Book on Astro-NavigationBrad Morris30 Apr 2016, 15:18
Re: The Observer’s Book on Astro-NavigationBrad Morris30 Apr 2016, 14:44
Re: Wandering PoleBrad Morris27 Apr 2016, 19:24
Re: Life on an Ocean LinerBrad Morris27 Apr 2016, 19:12
Re: Star finding techniquesBrad Morris22 Apr 2016, 14:43
Re: Jupiter in daylight and micrometer testBrad Morris22 Apr 2016, 00:32
Re: Star finding techniquesBrad Morris22 Apr 2016, 00:24
Re: Jupiter in daylight and micrometer testBrad Morris21 Apr 2016, 06:29
Re: Jupiter in daylight and micrometer testBrad Morris20 Apr 2016, 17:44
Re: Jupiter in daylight and micrometer testBrad Morris20 Apr 2016, 17:05
Re: U-boat Celestial Navigation WWIIBrad Morris14 Apr 2016, 16:43
Re: U-boat Celestial Navigation WWIIBrad Morris13 Apr 2016, 21:01
Re: U-boat Celestial Navigation WWIIBrad Morris12 Apr 2016, 19:23
Re: U-boat Celestial Navigation WWIIBrad Morris12 Apr 2016, 01:25
Re: New corrections for latitude by Polaris?Brad Morris11 Apr 2016, 14:20
Re: F. Barker & Son Box SextantBrad Morris9 Apr 2016, 10:50
Re: F. Barker & Son Box SextantBrad Morris9 Apr 2016, 10:38
Re: F. Barker & Son Box SextantBrad Morris8 Apr 2016, 20:02
Re: F. Barker & Son Box SextantBrad Morris8 Apr 2016, 18:15
Re: Observe refraction: Earth's Limb from the ISSBrad Morris4 Apr 2016, 21:52
Observe refraction: Earth's Limb from the ISSBrad Morris4 Apr 2016, 19:43
Re: Why a silver index scale?Brad Morris26 Mar 2016, 21:55
Re: Model A-12 Link Bubble SextantBrad Morris22 Mar 2016, 19:59
Re: Compass CheckBrad Morris22 Mar 2016, 17:45
Re: Name for sixty nautical milesBrad Morris18 Mar 2016, 02:31
Re: Name for sixty nautical milesBrad Morris17 Mar 2016, 18:42
Re: Name for sixty nautical milesBrad Morris17 Mar 2016, 17:46
Re: Name for sixty nautical milesBrad Morris17 Mar 2016, 17:24
Re: What is this on this sextantBrad Morris16 Mar 2016, 22:31
Re: What is this on this sextantBrad Morris16 Mar 2016, 20:07
Re: Scale a small area plotting sheet?Brad Morris1 Mar 2016, 22:20
Re: Scale a small area plotting sheet?Brad Morris28 Feb 2016, 09:01
Re: Celestial data for the planet UranusBrad Morris28 Feb 2016, 01:21
Re: Traditional navigation by slide ruleBrad Morris25 Feb 2016, 07:57
Re: Traditional navigation by slide ruleBrad Morris22 Feb 2016, 07:33
Re: "Dalton Dead Reckoning Computor" Type E-6BBrad Morris19 Feb 2016, 01:35
Question about Solar Prominences and LunarsBrad Morris18 Feb 2016, 09:08
Re: Celestial training planetarium 1950Brad Morris15 Feb 2016, 03:54
Re: CN on MarsBrad Morris9 Feb 2016, 21:09
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 23:14
Re: CN on MarsBrad Morris6 Feb 2016, 20:56
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 20:44
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 06:56
Re: Time of Sun & Moon rise and setBrad Morris5 Feb 2016, 23:34
Re: Time of Sun & Moon rise and setBrad Morris4 Feb 2016, 22:31
Re: Was this optical instrument designed for celestial navigation?Brad Morris4 Feb 2016, 05:41
Re: Was this optical instrument designed for celestial navigation?Brad Morris3 Feb 2016, 05:31
Re: Was this optical instrument designed for celestial navigation?Brad Morris2 Feb 2016, 23:57
Re: A "three dimensional slide-rule" for celestialBrad Morris2 Feb 2016, 23:45
Re: Astronomy & math in ancient BabylonBrad Morris1 Feb 2016, 18:16
Re: Astronomy & math in ancient BabylonBrad Morris1 Feb 2016, 00:21
Re: Planning a fix with >45 degrees intersection inLOPsBrad Morris27 Jan 2016, 05:51
Re: Planning a fix with >45 degrees intersection inLOPsBrad Morris27 Jan 2016, 02:53
Re: Planning a fix with >45 degrees intersection inLOPsBrad Morris27 Jan 2016, 00:14
Re: Henry Worsley, Antarctic adenturerBrad Morris26 Jan 2016, 02:42
Re: U.S. Naval Academy Reinstates CelestialBrad Morris25 Jan 2016, 08:17
Re: Duttons Navigation and Piloting 12th editionBrad Morris25 Jan 2016, 01:59
Re: U.S. Naval Academy Reinstates CelestialBrad Morris23 Jan 2016, 21:10
Re: U.S. Naval Academy Reinstates CelestialBrad Morris23 Jan 2016, 07:53
Re: Traditional navigation by slide ruleBrad Morris22 Jan 2016, 09:33
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 20:56
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 19:06
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 15:52
Re: Traditional navigation by slide ruleBrad Morris16 Jan 2016, 21:19
Re: Borrowed BygraveBrad Morris16 Jan 2016, 21:07
Re: U-boat Celestial Navigation WWIIBrad Morris15 Jan 2016, 22:35
Re: U-boat Celestial Navigation WWIIBrad Morris15 Jan 2016, 10:16
Re: Borrowed BygraveBrad Morris15 Jan 2016, 07:36
Re: U-boat Celestial Navigation WWIIBrad Morris15 Jan 2016, 07:30
Re: Borrowed BygraveBrad Morris15 Jan 2016, 07:28
Re: U-boat Celestial Navigation WWIIBrad Morris13 Jan 2016, 23:13
Re: 2016 Nautical AlmanacBrad Morris10 Jan 2016, 14:51
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBrad Morris4 Jan 2016, 05:46
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBrad Morris3 Jan 2016, 16:25
Re: Sun near zenith sightBob Miorelli22 Sep 2016, 23:42
Re: Sun near zenith sightBob Miorelli22 Sep 2016, 03:18
Latitude by midnight sunBob Miorelli16 Aug 2016, 14:49
Re: The Sun does not stop for anyoneBob Goethe30 Dec 2016, 19:05
Re: The Sun does not stop for anyoneBob Goethe30 Dec 2016, 18:10
Re: Leap second on December 31Bob Goethe29 Dec 2016, 18:48
Re: Golden Globe Race NavigationBob Goethe28 Dec 2016, 23:23
NavList individualsBob Goethe26 Dec 2016, 22:56
Re: Summer SolsticeBob Goethe23 Dec 2016, 16:29
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe19 Dec 2016, 19:48
Re: USNO Website Down?Bob Goethe23 Nov 2016, 22:39
Re: Traditional navigation by slide ruleBob Goethe23 Nov 2016, 18:13
Re: Unless they're Vikings, old men can't navigateBob Goethe18 Nov 2016, 00:18
Re: Traditional navigation by slide ruleBob Goethe13 Nov 2016, 21:10
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 23:57
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 08:43
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 07:47
Re: Traditional navigation by slide ruleBob Goethe11 Nov 2016, 21:13
Re: Traditional navigation by slide ruleBob Goethe10 Nov 2016, 21:00
Re: Traditional navigation by slide ruleBob Goethe8 Nov 2016, 19:01
Re: Traditional navigation by slide ruleBob Goethe6 Nov 2016, 04:13
Re: Traditional navigation by slide ruleBob Goethe5 Nov 2016, 17:01
Re: Death to the Intercept Method!Bob Goethe4 Nov 2016, 21:13
Re: Traditional navigation by slide ruleBob Goethe4 Nov 2016, 06:52
Re: Rhumb line by slide ruleBob Goethe3 Nov 2016, 19:15
Re: GPS out by milesBob Goethe1 Nov 2016, 20:37
Re: Davis MK3 & Casio Watch Mod.Bob Goethe31 Oct 2016, 21:47
Re: Traditional navigation by slide ruleBob Goethe31 Oct 2016, 21:07
Re: Davis MK3 & Casio Watch Mod.Bob Goethe30 Oct 2016, 01:02
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 19:59
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 19:19
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 17:39
Re: Celestial navigation classes: looking for suggestions...Bob Goethe26 Oct 2016, 22:33
Re: Traditional navigation by slide ruleBob Goethe26 Oct 2016, 16:36
Re: Traditional navigation by slide ruleBob Goethe26 Oct 2016, 16:32
Re: Traditional navigation by slide ruleBob Goethe20 Oct 2016, 19:37
Re: Traditional navigation by slide ruleBob Goethe20 Oct 2016, 17:09
Re: Traditional navigation by slide ruleBob Goethe19 Oct 2016, 18:38
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 23:10
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 21:28
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 16:36
Re: Traditional navigation by slide ruleBob Goethe14 Oct 2016, 21:28
Re: Traditional navigation by slide ruleBob Goethe14 Oct 2016, 19:41
Re: Traditional navigation by slide ruleBob Goethe13 Oct 2016, 15:22
Re: Traditional navigation by slide ruleBob Goethe12 Oct 2016, 18:53
Re: Obtaining a position fix with an android phone?Bob Goethe11 Oct 2016, 06:15
Re: Traditional navigation by slide ruleBob Goethe3 Oct 2016, 18:04
Re: Zenith or zeenithBob Goethe13 Sep 2016, 17:45
CNav on an Arleigh-Burke class destroyerBob Goethe12 Sep 2016, 12:40
Re: Lose the war if it's cloudyBob Goethe8 Sep 2016, 18:08
Re: Lose the war if it's cloudyBob Goethe7 Sep 2016, 21:01
Re: Summer readingBob Goethe31 Aug 2016, 16:59
Re: Summer readingBob Goethe30 Aug 2016, 18:01
Re: WGS 84 and BVI ChartsBob Goethe16 Aug 2016, 18:11
Re: WGS 84 and BVI ChartsBob Goethe13 Aug 2016, 21:53
DR Errors and usable LOPsBob Goethe13 Aug 2016, 15:56
WGS 84 and BVI ChartsBob Goethe13 Aug 2016, 15:43
Re: GPS jamming concernsBob Goethe11 Aug 2016, 21:51
Re: GPS jamming concernsBob Goethe11 Aug 2016, 15:43
Re: GPS jamming concernsBob Goethe10 Aug 2016, 22:41
Re: GPS jamming concernsBob Goethe10 Aug 2016, 19:04
Re: GPS jamming concernsBob Goethe9 Aug 2016, 20:47
Re: GPS jamming concernsBob Goethe9 Aug 2016, 18:15
Re: Daytime Photographs of Aldebaran and SiriusBob Goethe1 Aug 2016, 16:42
Re: Daytime Photographs of Aldebaran and SiriusBob Goethe31 Jul 2016, 01:47
Australia's position recalibratedBob Goethe29 Jul 2016, 19:12
Daytime Photographs of Aldebaran and SiriusBob Goethe29 Jul 2016, 18:48
Re: The mathematics of tacking downwindBob Goethe29 Jul 2016, 18:32
Re: The mathematics of tacking downwindBob Goethe29 Jul 2016, 14:08
The mathematics of tacking downwindBob Goethe28 Jul 2016, 17:37
Re: Setting a course when sailing into the wind.Bob Goethe28 Jul 2016, 00:51
Re: Sextant accuracy and possibility of future improvementBob Goethe23 Jul 2016, 10:43
Re: Sextant accuracy and possibility of future improvementBob Goethe21 Jul 2016, 19:24
Daytime Photograph of a StarBob Goethe21 Jul 2016, 02:29
Re: Sextant accuracy and possibility of future improvementBob Goethe20 Jul 2016, 21:18
Re: Loss of accuracy using Sun over Sun with a mercury artificial horizon?Bob Goethe19 Jul 2016, 01:20
Re: Poll: Beetlejuice or BettlegherzBob Goethe11 Jul 2016, 23:53
Re: AstroNav CourseBob Goethe6 Jul 2016, 16:39
Re: AstroNav CourseBob Goethe5 Jul 2016, 19:55
Re: Patrick O'Brian characters discuss time and longitudeBob Goethe27 Jun 2016, 13:36
Re: Thoughts on why 'north' is at the top of maps (BBC)Bob Goethe16 Jun 2016, 21:02
Re: Thoughts on why 'north' is at the top of maps (BBC)Bob Goethe15 Jun 2016, 22:10
Re: Celestial position-finding on landBob Goethe3 May 2016, 21:46
Re: Celestial position-finding on landBob Goethe3 May 2016, 15:16
Re: Monarch Butterfly NavigationBob Goethe19 Apr 2016, 23:59
Monarch Butterfly NavigationBob Goethe19 Apr 2016, 17:29
Re: Advice on Box SextantBob Goethe3 Apr 2016, 17:39
A modest navigational failureBob Goethe28 Mar 2016, 16:51
Re: Compass CheckBob Goethe22 Mar 2016, 13:47
Re: Compass CheckBob Goethe21 Mar 2016, 21:02
Re: A One-Hour Presentation on Celestial NavigationBob Goethe18 Mar 2016, 23:40
Re: A One-Hour Presentation on Celestial NavigationBob Goethe18 Mar 2016, 19:41
Re: A One-Hour Presentation on Celestial NavigationBob Goethe17 Mar 2016, 21:46
Re: A One-Hour Presentation on Celestial NavigationBob Goethe17 Mar 2016, 20:02
Re: A One-Hour Presentation on Celestial NavigationBob Goethe11 Mar 2016, 17:03
Re: A One-Hour Presentation on Celestial NavigationBob Goethe6 Mar 2016, 15:07
Re: A One-Hour Presentation on Celestial NavigationBob Goethe4 Mar 2016, 00:27
A One-Hour Presentation on Celestial NavigationBob Goethe2 Mar 2016, 16:35
Re: Scale a small area plotting sheet?Bob Goethe1 Mar 2016, 18:44
Re: Sun sights at the Gulf of MexicoBob Goethe25 Feb 2016, 20:26
Re: "Dalton Dead Reckoning Computor" Type E-6BBob Goethe23 Feb 2016, 17:48
Re: Sun altitude limits for natural horizon?Bob Goethe22 Feb 2016, 23:43
Re: "Dalton Dead Reckoning Computor" Type E-6BBob Goethe19 Feb 2016, 06:40
"Dalton Dead Reckoning Computor" Type E-6BBob Goethe18 Feb 2016, 23:37
Re: Dip from ShoreBob Goethe9 Feb 2016, 20:12
Re: Space sextantsBob Goethe27 Jan 2016, 19:11
Re: Star CN with DSLR CameraBob Goethe27 Jan 2016, 17:44
Re: U.S. Naval Academy Reinstates CelestialBob Goethe25 Jan 2016, 09:34
Re: U.S. Naval Academy Reinstates CelestialBob Goethe25 Jan 2016, 06:25
Re: Spherical triangle split by right trianglesBob Goethe25 Jan 2016, 05:28
Re: Traditional navigation by slide ruleBob Goethe25 Jan 2016, 05:20
Re: Duttons Navigation and Piloting 12th editionBob Goethe25 Jan 2016, 05:17
Re: Spherical triangle split by right trianglesBob Goethe22 Jan 2016, 23:13
Re: Spherical triangle split by right trianglesBob Goethe22 Jan 2016, 20:51
Re: Spherical triangle split by right trianglesBob Goethe22 Jan 2016, 19:44
Re: Traditional navigation by slide ruleBob Goethe21 Jan 2016, 19:21
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 21:42
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 19:56
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 18:51
Re: Celestial a Black Box?Bob Goethe17 Jan 2016, 23:24
Re: Traditional navigation by slide ruleBob Goethe12 Jan 2016, 16:36
Re: Traditional navigation by slide rule (correction)Bob Goethe11 Jan 2016, 00:20
Re: Traditional navigation by slide ruleBob Goethe9 Jan 2016, 17:55
Re: U-boat Celestial Navigation WWIIBob Goethe9 Jan 2016, 00:59
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBob Goethe7 Jan 2016, 22:26
Re: Traditional navigation by slide ruleBob Goethe7 Jan 2016, 16:56
Traditional navigation by slide ruleBob Goethe5 Jan 2016, 23:58
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBob Goethe4 Jan 2016, 22:59
Re: 3D AnalemmaBob Crawley9 Jul 2016, 08:30
Re: Cellphone tetheringBob Crawley3 Jun 2016, 08:18
Re: Compass CheckBob Crawley22 Mar 2016, 08:52
Re: Mawson's awesome Antarctic adventureBob Crawley27 Jan 2016, 10:50
Duttons Navigation and Piloting 12th editionBob Crawley24 Jan 2016, 13:07
Astronomisches rechengerät arg1Billy Kenway20 Aug 2016, 12:42
Re: Santa Barbara 2016: Venus sightBill Noyce16 Dec 2016, 16:19
Re: Blackburn's C2 table...a rambleBill Noyce5 Dec 2016, 19:41
Re: Intercept and distanceBill Noyce20 Jun 2016, 10:56
Re: Star finding techniquesBill Noyce22 Apr 2016, 13:53
Re: Traditional navigation by slide ruleBill Noyce25 Jan 2016, 01:16
Re: Cryptic Slide Rule FormulaeBill Noyce25 Jan 2016, 01:07
Re: Personal Equation and Index ErrorBill Morris21 Dec 2016, 19:34
Re: Antikythera mechanismBill Morris19 Oct 2016, 02:15
Re: Cannot focus sextant telescopesBill Morris3 Aug 2016, 02:52
Re: Cannot focus sextant telescopesBill Morris3 Aug 2016, 02:41
Re: Cannot focus sextant telescopesBill Morris2 Aug 2016, 21:38
Re: Horizon Shade PolariserBill Morris7 May 2016, 08:58
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantBill Morris6 May 2016, 05:26
Re: More Coutinho QuestionsBill Morris4 May 2016, 03:53
Re: More Coutinho QuestionsBill Morris4 May 2016, 03:35
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantBill Morris2 May 2016, 05:34
Re: The Observer’s Book on Astro-Navigation - Coutinho sextantBill Morris30 Apr 2016, 20:55
Re: RMS Carpathia sextant for re-auction.Bill Morris21 Apr 2016, 00:09
Re: The Observer’s Book on Astro-NavigationBill Morris3 Apr 2016, 06:46
Re: Advice on Box SextantBill Morris30 Mar 2016, 02:25
Re: The Wild T4 Theodolite - Don't Sneeze!Bill Morris29 Mar 2016, 23:20
Re: Why a silver index scale? - CorrectionBill Morris27 Mar 2016, 17:46
Re: Why a silver index scale?Bill Morris27 Mar 2016, 17:00
Re: Why a silver index scale?Bill Morris27 Mar 2016, 02:13
Soviet era dip meterBill Morris10 Feb 2016, 21:22
Re: Was this optical instrument designed for celestial navigation?Bill Morris4 Feb 2016, 04:18
Celestial navigation in animals?Bill Lionheart18 Dec 2016, 17:31
Re: Is Sextant a generic word?Bill Lionheart11 Dec 2016, 10:11
Re: Hello and a question about polarizer sun filtersBill Lionheart6 Dec 2016, 11:03
Re: Hello and a question about polarizer sun filtersBill Lionheart6 Dec 2016, 09:03
Re: Double Altitude - Sensitivity to Time IntervalBill Lionheart5 Dec 2016, 09:21
Re: How Globes were Made in the 1950sBill Lionheart19 Nov 2016, 09:58
Re: "Super-Lune du siècle"Bill Lionheart19 Nov 2016, 09:44
Re: "Super-Lune du siècle"Bill Lionheart17 Nov 2016, 20:57
Re: Best Budget Sextant for Novice Celestial NavigatorsBill Lionheart13 Nov 2016, 17:20
Re: Strange goings with a Casio G Shock watchBill Lionheart8 Nov 2016, 08:41
Re: Strange goings with a Casio G Shock watchBill Lionheart5 Nov 2016, 16:49
Re: Strange goings with a Casio G Shock watchBill Lionheart5 Nov 2016, 10:22
Re: Which calculator to use for "arctan(tan(269))"?Bill Lionheart4 Nov 2016, 16:39
Re: Antikythera mechanismBill Lionheart17 Oct 2016, 14:45
Re: Obtaining a position fix with an android phone?Bill Lionheart11 Oct 2016, 06:25
Re: Emergency navigation: a Cruiserfix tool.Bill Lionheart1 Sep 2016, 11:16
Re: Sextant accuracy and possibility of future improvementBill Lionheart25 Jul 2016, 06:33
Re: AstroNav CourseBill Lionheart5 Jul 2016, 20:32
Re: Cellphone tetheringBill Lionheart3 Jun 2016, 09:29
Re: 18th Century ShipBill Lionheart31 May 2016, 21:37
Re: Transit of Mercury TodayBill Lionheart9 May 2016, 20:22
Re: South Korea Revives GPS Backup ProjectBill Lionheart4 May 2016, 06:27
Re: Life on an Ocean LinerBill Lionheart27 Apr 2016, 15:36
Re: TI-85 Navigation Code.Bill Lionheart25 Apr 2016, 08:17
Re: TI-85 Navigation Code.Bill Lionheart24 Apr 2016, 17:57
Re: TI-85 Navigation Code.Bill Lionheart24 Apr 2016, 13:24
Re: Star finding techniquesBill Lionheart22 Apr 2016, 08:46
Star finding techniquesBill Lionheart21 Apr 2016, 16:18
Re: Monarch Butterfly NavigationBill Lionheart20 Apr 2016, 08:15
Re: Practical lunars in today's worldBill Lionheart5 Apr 2016, 18:12
Re: Fine adjust a Davis Mk 3Bill Lionheart26 Mar 2016, 11:32
Re: Compass CheckBill Lionheart22 Mar 2016, 19:40
Re: Compass CheckBill Lionheart21 Mar 2016, 22:07
Re: Compass CheckBill Lionheart21 Mar 2016, 20:12
Re: Compass CheckBill Lionheart21 Mar 2016, 20:05
Re: Compass CheckBill Lionheart21 Mar 2016, 00:18
Procedure for avoiding eye damageBill Lionheart12 Mar 2016, 09:15
Re: A One-Hour Presentation on Celestial NavigationBill Lionheart2 Mar 2016, 21:41
Re: Scale a small area plotting sheet?Bill Lionheart1 Mar 2016, 19:35
Re: Henning Umland's long term almanac. Is it wrong?Bill Lionheart29 Feb 2016, 07:56
Re: Henning Umland's programs?Bill Lionheart25 Feb 2016, 14:57
Re: Sun sights at the Gulf of MexicoBill Lionheart25 Feb 2016, 08:28
Re: Sun sights at the Gulf of MexicoBill Lionheart24 Feb 2016, 11:37
Re: Henning Umland's long term almanac. Is it wrong?Bill Lionheart23 Feb 2016, 19:57
Henning Umland's long term almanac. Is it wrong?Bill Lionheart23 Feb 2016, 17:10
Hemming Umland's on-line almanacBill Lionheart23 Feb 2016, 15:39
What is this on this sextantBill Lionheart20 Feb 2016, 12:01
Re: Best way to record time for solo sightsBill Lionheart14 Feb 2016, 18:54
Re: Best way to record time for solo sightsBill Lionheart13 Feb 2016, 21:50
Re: Best way to record time for solo sightsBill Lionheart12 Feb 2016, 12:23
Re: Best way to record time for solo sightsBill Lionheart12 Feb 2016, 07:40
Re: USCG approves use of electronic chartsBill Lionheart11 Feb 2016, 23:56
Best way to record time for solo sightsBill Lionheart11 Feb 2016, 20:26
Re: Dip from ShoreBill Lionheart7 Feb 2016, 22:08
Re: Navigation using satellite doppler shiftBill Lionheart1 Feb 2016, 07:12
Navigation using satellite doppler shiftBill Lionheart30 Jan 2016, 09:26
Re: Star CN with DSLR CameraBill Lionheart29 Jan 2016, 14:51
Re: Star CN with DSLR CameraBill Lionheart28 Jan 2016, 21:42
Re: Star CN with DSLR CameraBill Lionheart28 Jan 2016, 07:31
Re: Star CN with DSLR CameraBill Lionheart27 Jan 2016, 11:54
Re: Great Circle Course via calculator & HO 208Bill B6 Oct 2016, 20:55
Re: Great Circle Course via calculator & HO 208Bill B5 Oct 2016, 06:26
Re: Great Circle Course via calculator & HO 208Bill B5 Oct 2016, 05:33
Re: Great Circle Course via calculator & HO 208Bill B5 Oct 2016, 03:12
Re: Great Circle Course via calculator & HO 208Bill B5 Oct 2016, 02:30
Re: Great Circle Course via calculator & HO 208Bill B3 Oct 2016, 23:04
Re: Sun even nearer zenithBill B27 Sep 2016, 20:05
Re: Anacapa Island Sun LineBill B16 Sep 2016, 19:57
Re: Radar in July 1937 or too much MD370 reporting?Bill B13 Sep 2016, 21:10
Re: Setting seconds on a digital displayBill B13 Sep 2016, 21:03
Re: Mars Saturn and AntaresBill B29 Aug 2016, 19:36
Mars Saturn and AntaresBill B23 Aug 2016, 06:52
Re: LED conversion Astra IIIBBill B18 Aug 2016, 20:39
Re: The mathematics of tacking downwindBill B30 Jul 2016, 19:25
Re: The mathematics of tacking downwindBill B29 Jul 2016, 19:00
Re: Setting a course when sailing into the wind.Bill B28 Jul 2016, 02:51
Re: Setting a course when sailing into the wind.Bill B28 Jul 2016, 02:15
Re: Setting a course when sailing into the wind.Bill B27 Jul 2016, 19:38
Re: Setting a course when sailing into the wind.Bill B27 Jul 2016, 19:33
Re: Practice Horizon BubbleBill B26 Jul 2016, 22:54
Re: Celestial Navigation Noon Sight Example - VideoBill B26 Jul 2016, 21:51
Re: Poll: Beetlejuice or BettlegherzBill B11 Jul 2016, 23:38
Re: Ten years managing NavListBill B9 Jul 2016, 20:54
Re: Thoughts on why 'north' is at the top of maps (BBC)Bill B16 Jun 2016, 18:28
Re: Human Navigation bookBill B19 May 2016, 21:56
Re: NavList graphic bannerBill B29 Apr 2016, 20:09
Re: TI-85 Navigation Code.Bill B24 Apr 2016, 21:20
Re: Compass CheckBill B19 Mar 2016, 19:04
Re: Metric Bookmark KamalBill B18 Mar 2016, 20:29
Re: Name for sixty nautical milesBill B17 Mar 2016, 17:52
Re: Name for sixty nautical milesBill B17 Mar 2016, 17:49
Re: A One-Hour Presentation on Celestial NavigationBill B3 Mar 2016, 22:19
Re: Scale a small area plotting sheet?Bill B29 Feb 2016, 21:16
Re: Spherical triangle split by right trianglesBill B22 Jan 2016, 20:01
Re: 2016 Nautical AlmanacBill B9 Jan 2016, 04:39
Re: V-Correction for Sun? Answer from UKHO...Axcel B.18 Oct 2016, 19:32
V-Correction for Sun? Answer from UKHO...Axcel B.13 Oct 2016, 13:35
V-Correction for Sun?Axcel B.23 Sep 2016, 20:21
Re: Abhav vs S-TablesAxcel B.23 Sep 2016, 20:01
Re: Abhav vs S-TablesAxcel B.22 Sep 2016, 14:59
Re: Abhav vs S-TablesAxcel B.21 Sep 2016, 18:52
Abhav vs S-TablesAxcel B.20 Sep 2016, 16:41
Re: Abhav sightreduction?Axcel B.16 Sep 2016, 18:53
Re: Abhav sightreduction?Axcel B.15 Sep 2016, 15:43
Re: Abhav sightreduction?Axcel B.14 Sep 2016, 23:36
Re: Body "X"Antoine Couëtte30 Oct 2016, 21:38
Body "X"Antoine Couëtte30 Oct 2016, 18:52
Re: Great Circle Course via calculator & HO 208Antoine Couëtte7 Oct 2016, 05:31
Re: French Bureau of Longitude in 1885Antoine Couëtte4 Oct 2016, 05:38
Re: French Bureau of Longitude in 1885Antoine Couëtte29 Sep 2016, 18:45
Re: French Bureau of Longitude in 1885Antoine Couëtte29 Sep 2016, 09:56
Re: Modern LunarsAntoine Couëtte29 Sep 2016, 03:34
Re: Modern LunarsAntoine Couëtte28 Sep 2016, 15:47
Re: Modern LunarsAntoine Couëtte28 Sep 2016, 07:30
Re: Modern LunarsAntoine Couëtte27 Sep 2016, 08:29
Re: Modern LunarsAntoine Couëtte26 Sep 2016, 05:07
Re: Modern LunarsAntoine Couëtte25 Sep 2016, 10:04
Re: Searching for the "article of George Huxtable on logarithmic computations"Antoine Couëtte24 Sep 2016, 07:38
Re: Modern LunarsAntoine Couëtte24 Sep 2016, 06:58
Re: Sun near zenith sight (corrected)Antoine Couëtte23 Sep 2016, 07:57
Re: Sun near zenith sightAntoine Couëtte23 Sep 2016, 06:58
Re: Modern LunarsAntoine Couëtte21 Sep 2016, 00:56
Re: Modern LunarsAntoine Couëtte20 Sep 2016, 14:38
Re: Modern LunarsAntoine Couëtte19 Sep 2016, 11:20
Re: Difficult lunars from 1855Antoine Couëtte18 Sep 2016, 20:52
Re: Difficult lunars from 1855Antoine Couëtte18 Sep 2016, 19:16
Re: Modern LunarsAntoine Couëtte18 Sep 2016, 17:15
Re: Cruise ship destroys small boat marina with thrusters.Antoine Couëtte15 Sep 2016, 07:48
Re: Modern LunarsAntoine Couëtte11 Sep 2016, 20:46
Modern LunarsAntoine Couëtte11 Sep 2016, 19:53
Re: Mars Saturn and AntaresAntoine Couëtte30 Aug 2016, 04:05
Re: Hughes Tables.Antoine Couëtte29 Aug 2016, 13:23
Re: Mars Saturn and AntaresAntoine Couëtte28 Aug 2016, 11:11
Canopus againAntoine Couëtte25 Aug 2016, 15:02
Venus and JupiterAntoine Couëtte25 Aug 2016, 10:10
Re: Mars Saturn and AntaresAntoine Couëtte23 Aug 2016, 16:12
Re: Capella - Betelgeuse - CanopusAntoine Couëtte9 Aug 2016, 00:05
Re: Capella - Betelgeuse - CanopusAntoine Couëtte7 Aug 2016, 21:32
Re: Capella - Betelgeuse - CanopusAntoine Couëtte7 Aug 2016, 06:46
Capella - Betelgeuse - CanopusAntoine Couëtte4 Aug 2016, 10:15
Re: Skywatcher QuizzAntoine Couëtte25 Jul 2016, 05:17
Re: HO 211 with Sadler methodAntoine Couëtte24 Jul 2016, 20:33
Re: DSLR Camera CN with 28 mm LensAntoine Couëtte24 Jul 2016, 12:18
Skywatcher QuizzAntoine Couëtte24 Jul 2016, 12:13
Re: Nautical AlmanacAntoine Couëtte19 Jul 2016, 12:19
Re: 2016, June 14th Mars LunarsAntoine Couëtte21 Jun 2016, 07:08
Re: 2016, June 14th Mars LunarsAntoine Couëtte20 Jun 2016, 15:44
Re: 2016, June 14th Mars LunarsAntoine Couëtte20 Jun 2016, 07:13
Re: 2016, June 14th Mars LunarsAntoine Couëtte19 Jun 2016, 17:51
Re: 2016, June 14th Mars LunarsAntoine Couëtte17 Jun 2016, 18:00
Re: 2016, June 14th Mars LunarsAntoine Couëtte14 Jun 2016, 21:37
Re: Commercial Flight SunsetAntoine Couëtte25 May 2016, 12:53
Re: Commercial Flight SunsetAntoine Couëtte17 May 2016, 14:48
Toward a reedition of "Histoire generale de la navigation" by F. MarguetAnnaig Labornez31 Dec 2016, 16:35
Re: An Astrovan at LastAndrés Ruiz28 Dec 2016, 18:09
Re: Lan By DslrAndrés Ruiz28 Dec 2016, 17:57
As Time Goes ByAndrés Ruiz29 Sep 2016, 06:36
Sextant of the future?Andrés Ruiz16 Sep 2016, 14:01
Photo sextant sights & AppsAndrés Ruiz16 Sep 2016, 07:22
Re: Lunars: how to use the prop.log tables?Andrés Ruiz2 Sep 2016, 10:18
Re: Current Ocean Navigator MagazineAndrés Ruiz2 Sep 2016, 06:09
Re: Museo Naval, MadridAndrés Ruiz3 Aug 2016, 08:19
Re: Horizontal Sextant Angle ExerciseAndrés Ruiz20 Jul 2016, 09:30
Re: Nautical AlmanacAndrés Ruiz20 Jul 2016, 06:41
Re: Horizontal Sextant Angle ExerciseAndrés Ruiz18 Jul 2016, 13:58
The Apollo 11 guidance computer codeAndrés Ruiz11 Jul 2016, 14:07
A positive leap second will be introduced at the end of December 2016Andrés Ruiz6 Jul 2016, 10:02
AstroNav CourseAndrés Ruiz5 Jul 2016, 13:26
Re: 2016, June 14th Mars LunarsAndrés Ruiz19 Jun 2016, 19:54
Re: Intercept and distanceAndrés Ruiz16 Jun 2016, 08:18
Re: The Length of a DayAndrés Ruiz26 May 2016, 18:04
Re: Bris Sextant CalibrationAndrés Ruiz26 May 2016, 18:02
Re: Celnav apps for AndroidAndrés Ruiz23 Mar 2016, 15:44
Re: Model A-12 Link Bubble SextantAndrés Ruiz23 Mar 2016, 13:45
Stages de Navigation Astronomique 2016Andrés Ruiz24 Feb 2016, 09:17
Re: Traditional navigation by slide ruleAndrew Nikitin28 Oct 2016, 18:02
Re: Traditional navigation by slide ruleAndrew Nikitin19 Oct 2016, 16:12
Re: DIY planisphere: how to begin with it?Andrew Nikitin17 Oct 2016, 16:31
Re: A wrist-watch with Nautical Almanac data?Andrew Nikitin20 Sep 2016, 14:21
Pocket haversineAndrew Nikitin8 Sep 2016, 18:19
Graphic tablesAndrew Nikitin15 Aug 2016, 12:50
Re: GPS jamming concernsAndrew Nikitin9 Aug 2016, 22:51
Re: GPS jamming concernsAndrew Nikitin9 Aug 2016, 12:15
Re: Working Model MHR1 SlideruleAndrew Nikitin2 Aug 2016, 13:42
Re: A One-Hour Presentation on Celestial NavigationAndrew Nikitin3 Mar 2016, 13:13
Re: Henning Umland's long term almanac. Is it wrong?Andrew Nikitin29 Feb 2016, 13:45
Re: Henning Umland's long term almanac. Is it wrong?Andrew Nikitin24 Feb 2016, 16:21
Re: Best way to record time for solo sightsAndrew Nikitin12 Feb 2016, 14:06
Is there a way to produce Sight reduction tables for air navigationAmit Yaffe3 Sep 2016, 19:04
Re: Bris sextantAlexandre Eremenko11 Dec 2016, 02:50
Re: Advice on Box SextantAlexandre Eremenko30 Mar 2016, 14:59
Re: G F Martelli versus G PouvreauAlexandre Eremenko13 Mar 2016, 13:39
Re: Astronomy & math in ancient BabylonAlexandre Eremenko1 Feb 2016, 01:45
Re: Astronomy & math in ancient BabylonAlexandre Eremenko1 Feb 2016, 01:39
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionAlexandre Eremenko3 Jan 2016, 22:43
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionAlexandre Eremenko3 Jan 2016, 17:19
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionAlexandre Eremenko2 Jan 2016, 20:58
Table 4 Pub 249 v.2/3 officially updated through 2036Alex H17 May 2016, 08:51
Re: NavList and Facebook celestial groupAlan S29 Dec 2016, 23:40
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Dec 2016, 03:04
Re: Twitter Cel Nav ChallengeAlan S11 Dec 2016, 17:43
Re: Twitter Cel Nav ChallengeAlan S11 Dec 2016, 17:37
Re: Is Sextant a generic word?Alan S9 Dec 2016, 22:50
Re: Celestial Navigation in the MoviesAlan S7 Dec 2016, 22:31
Re: Celestial Navigation in the MoviesAlan S7 Dec 2016, 18:44
Re: USNO Website Down?Alan S23 Nov 2016, 23:42
Re: Traditional navigation by slide ruleAlan S9 Nov 2016, 22:55
Re: Best Budget Sextant for Novice Celestial NavigatorsAlan S9 Nov 2016, 03:28
Re: Best Budget Sextant for Novice Celestial NavigatorsAlan S9 Nov 2016, 01:38
Re: Strange goings with a Casio G Shock watchAlan S8 Nov 2016, 19:49
Re: Plotting a LOP properly: how to?Alan S6 Nov 2016, 22:17
Time keeping anomalies with my Casio G Shock watchAlan S6 Nov 2016, 01:07
Re: Strange goings with a Casio G Shock watchAlan S4 Nov 2016, 23:38
Re: Strange goings with a Casio G Shock watchAlan S4 Nov 2016, 23:32
Re: Strange goings with a Casio G Shock watchAlan S4 Nov 2016, 22:33
Strange goings with a Casio G Shock watchAlan S4 Nov 2016, 03:16
Re: Celestial navigation classes: looking for suggestions...Alan S26 Oct 2016, 22:02
Re: Accuracy of celestial navigationAlan S18 Oct 2016, 03:43
Re: How far away can you see landAlan S26 Sep 2016, 02:18
Re: How far away can you see landAlan S24 Sep 2016, 02:26
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Alan S23 Sep 2016, 19:44
Re: Cruise ship destroys small boat marina with thrusters.Alan S14 Sep 2016, 03:51
Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?Alan S9 Sep 2016, 22:19
Re: Hughes Tables.Alan S3 Sep 2016, 23:16
Re: Hughes Tables.Alan S30 Aug 2016, 22:47
Can't remember book title or authorAlan S30 Aug 2016, 22:34
Re: Summer readingAlan S30 Aug 2016, 18:20
Re: GPS jamming concernsAlan S9 Aug 2016, 20:04
Re: Working Model MHR1 SlideruleAlan S2 Aug 2016, 03:16
Re: And even more celestial-in-case-GPS-goes-down sillinessAlan S21 Jul 2016, 17:29
Re: AstroNav CourseAlan S6 Jul 2016, 03:30
Re: AstroNav CourseAlan S6 Jul 2016, 03:25
Re: Cellphone tetheringAlan S9 Jun 2016, 00:43
Re: Bayless/Modified AgetonAlan S8 May 2016, 02:35
Re: French Sailing Legend Ditching Modern TechAlan S3 May 2016, 21:11
Re: TI-85 Navigation Code.Alan S27 Apr 2016, 06:19
Re: A One-Hour Presentation on Celestial NavigationAlan S11 Mar 2016, 21:44
Re: Maritime Casualty News: GPS noticeAlan S26 Feb 2016, 04:54
Re: Traditional navigation by slide ruleAlan S22 Feb 2016, 23:45
Re: Polhemus computer available now on ebayAlan S15 Feb 2016, 00:31
Re: Limited celestial navigation instruction at USNAAlan S29 Jan 2016, 21:26
Re: U.S. Naval Academy Reinstates CelestialAlan S27 Jan 2016, 23:43
Re: U.S. Naval Academy Reinstates CelestialAlan S26 Jan 2016, 23:35
Re: U.S. Naval Academy Reinstates CelestialAlan S24 Jan 2016, 01:18
Re: Celestial a Black Box?Alan S19 Jan 2016, 04:51
Re: Celestial a Black Box?Alan S19 Jan 2016, 04:47
Re: Celestial a Black Box?Alan S18 Jan 2016, 20:05
Re: U-boat Celestial Navigation WWIIAlan S15 Jan 2016, 01:13
Re: U-boat Celestial Navigation WWIIAlan S12 Jan 2016, 19:33
Re: Traditional navigation by slide ruleAlan S12 Jan 2016, 03:50
Re: Traditional navigation by slide ruleAlan S11 Jan 2016, 19:36
Re: U-boat Celestial Navigation WWIIAlan S8 Jan 2016, 18:05
LOP bookAlan S4 Jan 2016, 18:06
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionAlan S3 Jan 2016, 23:48
Bris sextantAdrian Blunt10 Dec 2016, 19:14

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