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NavList:

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

January, 1994 to January, 2020

Index includes 3657 messages. Sorted by message ID, in descending order.

                    
Re: Earliest Crescent Moon VisibilityGary LaPook27 Jan 2020, 17:30
Re: Navigation devices available now on ebay.Gary LaPook27 Jan 2020, 05:02
Re: Navigation devices available now on ebay.Gary LaPook25 Jan 2020, 23:17
Navigation devices available now on ebay.Gary LaPook25 Jan 2020, 07:05
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook23 Jan 2020, 19:26
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook21 Jan 2020, 19:17
GPS jammingGary LaPook16 Jan 2020, 08:20
Re: A strange addition to a sextantGary LaPook4 Jan 2020, 21:42
A strange addition to a sextantGary LaPook4 Jan 2020, 19:14
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook1 Jan 2020, 01:08
Re: Radium Infused Bubble SextantGary LaPook28 Dec 2019, 23:39
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook28 Dec 2019, 23:37
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook28 Dec 2019, 23:25
Re: HO SeriesGary LaPook27 Dec 2019, 06:09
Re: A-10 Sextant RestorationGary LaPook27 Dec 2019, 05:59
Re: HO SeriesGary LaPook26 Dec 2019, 23:35
Re: Radium Infused Bubble SextantGary LaPook25 Dec 2019, 21:23
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 20:40
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 20:11
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 18:20
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook16 Dec 2019, 18:16
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook15 Dec 2019, 19:32
Re: Latitude by noon Sun sightGary LaPook3 Dec 2019, 19:13
Re: Latitude by noon Sun sightGary LaPook3 Dec 2019, 19:05
Re: Starmaster slide rule on ebayGary LaPook29 Nov 2019, 04:11
Re: Median versus Mean AveragingGary LaPook29 Oct 2019, 19:15
Re: Expedition AmeliaGary LaPook27 Oct 2019, 13:02
Re: Expedition AmeliaGary LaPook27 Oct 2019, 12:58
Re: Buy or build a modern Bygrave slide ruleGary LaPook16 Oct 2019, 05:36
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 23:17
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 17:37
Re: Relearning CelNav and Lunars for AntarcticaGary LaPook11 Oct 2019, 03:34
Re: Celestial Navigation in the MoviesGary LaPook9 Oct 2019, 06:58
Re: Celestial Navigation in the MoviesGary LaPook7 Oct 2019, 23:46
Re: Celestial Navigation in the MoviesGary LaPook7 Oct 2019, 04:24
Re: Celestial Navigation in the MoviesGary LaPook6 Oct 2019, 04:58
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 17:31
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 17:03
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 16:57
Re: "no plotting sheet required" - an interesting find in an old bookGary LaPook3 Oct 2019, 06:29
Re: Near-pole CN? Transverse Mercator?Gary LaPook2 Oct 2019, 22:17
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook30 Sep 2019, 06:53
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook29 Sep 2019, 19:13
Re: Kollsman periscopic sextant mountGary LaPook28 Sep 2019, 17:20
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook28 Sep 2019, 17:19
Re: Kollsman periscopic sextant mountGary LaPook4 Sep 2019, 05:25
Re: Zero-Altitude ShotGary LaPook4 Sep 2019, 05:23
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 12:07
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 11:50
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 05:41
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 18:12
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 01:08
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 00:55
Re: Parallel Sailing questionGary LaPook1 Aug 2019, 17:08
Re: Home made artificial horizonGary LaPook17 Jul 2019, 02:24
Re: We need a backup to GPSGary LaPook17 Jul 2019, 02:19
We need a backup to GPSGary LaPook15 Jul 2019, 23:07
Re: Finding stars in daylightGary LaPook14 Jul 2019, 00:17
Re: Finding stars in daylightGary LaPook13 Jul 2019, 04:55
Re: CP-300/U USAF Star FinderGary LaPook30 Jun 2019, 17:17
Re: CP-300/U USAF Star FinderGary LaPook30 Jun 2019, 04:39
Re: CP-300/U USAF Star FinderGary LaPook29 Jun 2019, 07:32
Re: How to round?Gary LaPook13 Jun 2019, 05:18
Re: Early Air Navigation with RDFGary LaPook4 Jun 2019, 22:29
Re: Early Air Navigation with RDFGary LaPook4 Jun 2019, 22:35
Re: Northern Limits of Magnetic Compass UsefulnessGary LaPook4 Jun 2019, 22:19
Bygrave sliderule for saleGary LaPook25 Mar 2019, 21:16
What level of english skills is needed for safe navigation?Gary LaPook28 Feb 2019, 18:31
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 17:51
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 09:05
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 08:22
Re: Magnetic variation changing faster than anticipatedGary LaPook26 Feb 2019, 23:06
Re: Magnetic variation changing faster than anticipatedGary LaPook26 Feb 2019, 22:53
Re: First trans-Atlantic Flights?Gary LaPook14 Feb 2019, 19:29
Re: Time zone sign conventionsGary LaPook11 Feb 2019, 21:01
Re: Examples of cocked hat far from equilateralGary LaPook4 Feb 2019, 18:40
Re: Northern Limits of Magnetic Compass UsefulnessGary LaPook2 Feb 2019, 20:49
Re: Sir John Franklin's artificial horizonGary LaPook31 Jan 2019, 18:03
Sir John Franklin's artificial horizonGary LaPook31 Jan 2019, 09:36
Re: Gyro sextantGary LaPook24 Jan 2019, 21:13
Live AIS trackingGary LaPook23 Jan 2019, 07:27
Re: Why no airtraffic over Antarctica?Gary LaPook21 Jan 2019, 00:19
Re: Why no airtraffic over Antarctica?Gary LaPook20 Jan 2019, 05:44
Re: Earth's Magnetic North Pole is moving more and more quicklyGary LaPook13 Jan 2019, 20:44
Re: Moby Dick TalesGary LaPook10 Jan 2019, 09:39
Re: Radio Time signalsGary LaPook9 Jan 2019, 19:15
Re: It's 2019...Gary LaPook2 Jan 2019, 07:25
Re: It's 2019...Gary LaPook1 Jan 2019, 19:19
Re: Jargon, terminology , words' meanings, etc.Gary LaPook2 Dec 2018, 18:30
Re: Using "hack" as a verbGary LaPook24 Nov 2018, 19:39
Re: SNO-T "night" sight tube?Gary LaPook21 Nov 2018, 05:30
Avoiding the symmedian (and other) pointsGary LaPook5 Nov 2018, 21:43
Re: GPS jamming causes drones to crashGary LaPook4 Nov 2018, 03:15
Re: Simpler than latitude and longitude?Gary LaPook4 Nov 2018, 02:45
Re: Navigation Conference, Mystic Seaport, 2019?Gary LaPook4 Nov 2018, 02:32
Re: Logic of shadesGary LaPook31 Oct 2018, 04:51
Re: Pub.249 Epoch 2020 is available.Gary LaPook23 Oct 2018, 16:54
Re: Were there secret techniques in the 17th and 18th CenturyGary LaPook18 Oct 2018, 08:00
Re: Symmedian point -earliest reference in navigationGary LaPook16 Oct 2018, 18:27
Re: An Embarrassing ConundrumGary LaPook6 Oct 2018, 17:34
Re: GNSS is not immortalGary LaPook29 Sep 2018, 01:39
Re: Lindbergh-Weems Second-Setting WatchGary LaPook26 Sep 2018, 22:07
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 18:18
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 17:25
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 17:13
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 06:22
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:27
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:05
Re: Questions about Celestial NavigationGary LaPook18 Sep 2018, 21:46
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook18 Sep 2018, 10:24
Re: Radio time signals disappearGary LaPook4 Sep 2018, 19:32
Re: 1870s navigationGary LaPook29 Aug 2018, 07:03
Re: 1870s navigationGary LaPook21 Aug 2018, 19:01
Re: Nautical AlmanacGary LaPook12 Aug 2018, 02:03
Re: 1870s navigationGary LaPook9 Aug 2018, 06:53
Re: 1870s navigationGary LaPook7 Aug 2018, 17:27
Re: 1870s navigationGary LaPook7 Aug 2018, 17:26
Re: Traditional navigation by slide ruleGary LaPook28 Jul 2018, 23:11
Re: Origins of civilian use of GPSGary LaPook23 Jul 2018, 05:50
Re: Better/easier GHA(Aries) formula?Gary LaPook18 Jul 2018, 06:47
Re: Negative v correctionGary LaPook5 Jul 2018, 19:18
Re: Year USNO launched Celestial Navigation Data webpageGary LaPook3 Jul 2018, 00:48
Re: What Three Words at seaGary LaPook30 Jun 2018, 19:58
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun 2018, 07:30
Kollsman sextant with MOUNT now on ebay.Gary LaPook16 Jun 2018, 22:38
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:22
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:19
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:17
Re: Movie AdriftGary LaPook11 Jun 2018, 04:32
Re: How height affects sun altitudeGary LaPook5 Jun 2018, 22:06
Re: Ebay kollsman periscope sextantsGary LaPook5 Jun 2018, 07:52
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook11 May 2018, 06:04
Re: Use of Marine Sextants in AircraftGary LaPook9 May 2018, 17:31
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:15
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:03
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 17:57
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 08:44
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:52
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:40
Re: Celestial Navigation is so simpleGary LaPook28 Apr 2018, 16:39
Autonomous ships are coming.Gary LaPook24 Apr 2018, 17:20
Re: WWII bubble sextants and radiumGary LaPook17 Apr 2018, 00:16
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook14 Apr 2018, 05:42
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook13 Apr 2018, 16:22
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:53
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:27
Re: Erasing E6-B and Polhemus PlotsGary LaPook13 Mar 2018, 06:57
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar 2018, 22:09
Re: An azimuth nomogram: what's under the hood?Gary LaPook12 Mar 2018, 22:11
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar 2018, 21:27
Re: Polhemus in the Southern HemisphereGary LaPook6 Mar 2018, 09:05
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook5 Mar 2018, 06:07
Pyramid alignmentGary LaPook1 Mar 2018, 23:58
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Gary LaPook1 Mar 2018, 20:23
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 09:43
Re: Flight Levels CelNav; 02/10/2018Gary LaPook1 Mar 2018, 09:10
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 08:53
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 05:47
Re: Deriving the Bygrave equationsGary LaPook11 Feb 2018, 06:32
Re: Kollsman periscopic sextant mountGary LaPook9 Feb 2018, 07:56
Re: Read the vernier, get the noon latitudeGary LaPook8 Feb 2018, 18:57
Re: Latitude by law of cosinesGary LaPook6 Feb 2018, 21:07
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 21:04
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 20:16
Re: Mickey Mouse's dog is backGary LaPook30 Jan 2018, 07:07
Mickey Mouse's dog is backGary LaPook30 Jan 2018, 01:35
Re: Moon sight reductionGary LaPook25 Jan 2018, 21:51
Useful modifications to the Polhemus computerGary LaPook25 Jan 2018, 11:43
Re: GC Routes & Strings on GlobesGary LaPook23 Jan 2018, 08:10
Re: Some Link A12 Sextant QuestionsGary LaPook22 Jan 2018, 07:15
Re: Flight Levels CelNav: 01/10/2018Gary LaPook22 Jan 2018, 07:04
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:59
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:43
Re: USS Fitzgerald collision with container shipGary LaPook17 Jan 2018, 01:38
Re: SHA vs RAGary LaPook14 Jan 2018, 22:03
Re: Flight Levels CelNav; 11/10/2017Gary LaPook9 Jan 2018, 09:57
Re: Coriolis Acceleration -- A general caseGary LaPook8 Jan 2018, 23:10
Re: Article by Russell Porter on Latitude without instrumentsGary LaPook31 Dec 2017, 23:50
Re: Article by Russell Porter on Latitude without instrumentsGary LaPook31 Dec 2017, 21:11
Re: Polar Grid AirNav and Oceanic AirNavGary LaPook30 Dec 2017, 03:28
Re: Polar Grid AirNav and Oceanic AirNavGary LaPook30 Dec 2017, 03:26
Re: Heading/Speed Acceleration Error CardGary LaPook28 Dec 2017, 06:26
Re: Weems Star Altitude CurvesGary LaPook26 Dec 2017, 09:32
Re: Howland Island landfallGary LaPook22 Dec 2017, 09:32
Re: Latitude by two stars observed simultaneouslyGary LaPook21 Dec 2017, 23:52
Re: Latitude by two stars observed simultaneouslyGary LaPook21 Dec 2017, 20:17
Re: Unwarranted levels of precisionGary LaPook20 Dec 2017, 16:20
Re: Unwarranted levels of precisionGary LaPook20 Dec 2017, 06:15
Re: A noon fix inland with an peri-sextantGary LaPook20 Dec 2017, 02:26
Re: Unwarranted levels of precisionGary LaPook20 Dec 2017, 02:04
Unwarranted levels of precisionGary LaPook19 Dec 2017, 23:22
Re: Hello from a New MemberGary LaPook18 Dec 2017, 17:42
Re: Interesting Street SignGary LaPook18 Dec 2017, 03:37
Re: Pub. 249 and Pub. 229Gary LaPook16 Dec 2017, 18:42
Re: Pub 229Gary LaPook10 Dec 2017, 19:25
Re: Pub 229Gary LaPook10 Dec 2017, 10:43
Re: Pub 229Gary LaPook10 Dec 2017, 02:35
Re: Pub 229Gary LaPook10 Dec 2017, 00:29
Re: Pub 229Gary LaPook9 Dec 2017, 06:44
Re: Pub 229Gary LaPook9 Dec 2017, 02:35
Re: Pub 229Gary LaPook9 Dec 2017, 02:25
Re: Great Circle Initial Course Boston to Wellington?Gary LaPook2 Dec 2017, 00:12
Re: The trig scales on K & E 4070-3 and 4080-3Gary LaPook30 Nov 2017, 08:52
Re: Loran and other alternatives to GPSGary LaPook30 Nov 2017, 05:05
Re: Very nice discussion of "flight computers" - with excellent comments by Gary LaPookGary LaPook28 Nov 2017, 07:12
Re: Pub. 249 questionGary LaPook27 Nov 2017, 05:48
Re: Pub. 249 questionGary LaPook26 Nov 2017, 08:11
Re: Pub. 249 questionGary LaPook26 Nov 2017, 04:54
Re: Pub. 249 questionGary LaPook26 Nov 2017, 01:53
Re: Pub. 249 questionGary LaPook25 Nov 2017, 03:07
Re: Very nice discussion of "flight computers" - with excellent comments by Gary LaPookGary LaPook24 Nov 2017, 18:58
Re: Pub. 249 questionGary LaPook24 Nov 2017, 07:31
Re: Cocked Hat & the most probable positionGary LaPook23 Nov 2017, 22:15
Re: Cosine vs haversine formulasGary LaPook19 Nov 2017, 06:30
Re: "They got lost"Gary LaPook31 Oct 2017, 14:23
Re: Practice CN on cruise shipGary LaPook28 Oct 2017, 17:51
Re: Bringing the body downGary LaPook28 Oct 2017, 17:29
Re: "They got lost"Gary LaPook27 Oct 2017, 06:48
"They got lost"Gary LaPook27 Oct 2017, 05:48
Re: What time is it anyhow?Gary LaPook26 Oct 2017, 17:10
What time is it anyhow?Gary LaPook26 Oct 2017, 05:22
Re: Practice CN on cruise shipGary LaPook26 Oct 2017, 00:49
Re: What's "under the hood" of the Raft Book?Gary LaPook24 Oct 2017, 22:36
Re: Practice CN on cruise shipGary LaPook24 Oct 2017, 22:33
Re: Practice CN on cruise shipGary LaPook24 Oct 2017, 22:32
Re: Practice CN on cruise shipGary LaPook22 Oct 2017, 06:16
Re: What's "under the hood" of the Raft Book?Gary LaPook21 Oct 2017, 22:24
Re: Practice CN on cruise shipGary LaPook21 Oct 2017, 22:00
Re: Practice CN on cruise shipGary LaPook21 Oct 2017, 04:46
Polhemus computerGary LaPook10 Oct 2017, 18:39
ShackletonGary LaPook6 Oct 2017, 09:44
Re: The "Raft Book" by Harold Gatty - ?Gary LaPook5 Oct 2017, 22:24
Re: USS John S McCainGary LaPook28 Sep 2017, 08:24
Re: Quiz about the Southern CrossGary LaPook26 Sep 2017, 21:44
Re: Preparing the sky with Vol. 2 and 3 Pub. 249.Gary LaPook24 Sep 2017, 19:22
Re: Quiz about the Southern CrossGary LaPook23 Sep 2017, 23:15
Re: The Dunlap Sunrise Sunset ComputerGary LaPook20 Sep 2017, 15:40
Re: The Dunlap Sunrise Sunset ComputerGary LaPook20 Sep 2017, 04:57
Re: Varuna -- Abandoned due to Loss of PowerGary LaPook10 Sep 2017, 04:19
Re: "Totality" in OregonGary LaPook7 Sep 2017, 01:43
Re: No Nautical Almanac data during Aug 21st eclipseGary LaPook17 Aug 2017, 16:37
Re: What folks in various U.S. towns will see of the Aug 21 eclipseGary LaPook16 Aug 2017, 18:32
Re: Eclipse maps & solar semidiameterGary LaPook15 Aug 2017, 22:27
Re: History of HO249/AP3270Gary LaPook15 Aug 2017, 00:09
Re: History of HO249/AP3270Gary LaPook14 Aug 2017, 21:47
Re: GPS spoofing for realGary LaPook11 Aug 2017, 17:35
Re: GPS spoofing for realGary LaPook11 Aug 2017, 17:34
Re: Polhemus computerGary LaPook10 Aug 2017, 09:28
Re: Polhemus computerGary LaPook6 Aug 2017, 20:38
Re: Polhemus computerGary LaPook6 Aug 2017, 06:50
Re: Ode to Celestial NavigationGary LaPook6 Aug 2017, 04:10
Re: Ode to Celestial NavigationGary LaPook4 Aug 2017, 23:44
Re: Ode to Celestial NavigationGary LaPook1 Aug 2017, 06:21
Re: Miracle on the HudsonGary LaPook30 Jul 2017, 08:56
Re: Miracle on the HudsonGary LaPook30 Jul 2017, 08:53
Re: Miracle on the HudsonGary LaPook28 Jul 2017, 00:33
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Jul 2017, 01:53
Re: Are we all doing our math correctly?Gary LaPook11 Jul 2017, 15:55
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook11 Jul 2017, 05:29
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook11 Jul 2017, 05:28
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook10 Jul 2017, 23:23
Re: Are we all doing our math correctly?Gary LaPook10 Jul 2017, 23:21
Are we all doing our math correctly?Gary LaPook10 Jul 2017, 21:11
Re: Things to take on a container ship voyageGary LaPook9 Jul 2017, 20:12
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook8 Jul 2017, 06:45
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook8 Jul 2017, 06:37
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook7 Jul 2017, 21:41
Re: Fairchild A-10A in practiceGary LaPook6 Jul 2017, 22:49
Re: Fairchild A-10A in practiceGary LaPook6 Jul 2017, 21:50
Re: Fairchild A-10A in practiceGary LaPook6 Jul 2017, 21:28
Re: Fairchild A-10A in practiceGary LaPook6 Jul 2017, 20:47
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook6 Jul 2017, 17:38
Re: Fairchild A-10A in practiceGary LaPook5 Jul 2017, 22:55
Re: Fairchild A-10Gary LaPook2 Jul 2017, 22:03
Re: Fairchild A-10Gary LaPook2 Jul 2017, 18:52
Re: Fairchild Model A-10Gary LaPook2 Jul 2017, 00:11
Re: Triangle of velocities solver?Gary LaPook29 Jun 2017, 04:05
Re: USS Fitzgerald collision with container shipGary LaPook26 Jun 2017, 19:48
Re: USS Fitzgerald collision with container shipGary LaPook26 Jun 2017, 17:55
Re: USS Fitzgerald collision with container shipGary LaPook25 Jun 2017, 16:16
Re: USS Fitzgerald collision with container shipGary LaPook24 Jun 2017, 04:01
Re: Bendix A7 octantGary LaPook24 Jun 2017, 01:55
Re: Bendix A7 octantGary LaPook23 Jun 2017, 23:25
Re: USS Fitzgerald collision with container shipGary LaPook20 Jun 2017, 23:10
Re: USS Fitzgerald collision with container shipGary LaPook20 Jun 2017, 17:06
Re: USS Fitzgerald collision with container shipGary LaPook20 Jun 2017, 16:50
Re: Point HondaGary LaPook15 Jun 2017, 06:17
Re: Failing to Use All the Navigational Inputs At Your DisposalGary LaPook9 Jun 2017, 07:49
Re: Example sights very near the North PoleGary LaPook6 Jun 2017, 21:05
Re: Example sights very near the North PoleGary LaPook6 Jun 2017, 20:58
Re: An "integrating averager": how does it work?Gary LaPook4 Jun 2017, 00:22
Re: WWII US Navy Ball Recording SextantGary LaPook28 May 2017, 21:51
Re: Admiralty Manual of Navigation Vol IIIGary LaPook4 May 2017, 19:15
Re: Gunther Rules for NavigationGary LaPook28 Apr 2017, 13:12
Re: Dangerously radioactive navigation instrumentsGary LaPook11 Apr 2017, 21:49
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 17:30
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 17:26
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 00:55
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Gary LaPook3 Apr 2017, 21:18
Re: LopGary LaPook1 Apr 2017, 17:05
Re: V corrections?Gary LaPook28 Mar 2017, 15:57
Re: V corrections?Gary LaPook28 Mar 2017, 14:50
Re: V corrections?Gary LaPook28 Mar 2017, 14:48
Re: V corrections?Gary LaPook28 Mar 2017, 04:33
Re: AP3270 Table 5Gary LaPook26 Mar 2017, 16:21
Re: DeclinationGary LaPook26 Mar 2017, 16:16
Re: CelNav on a Cruise ShipGary LaPook21 Mar 2017, 17:57
Re: WWII bubble sextants and radiumGary LaPook21 Mar 2017, 09:00
Re: Learning celestial navigationGary LaPook18 Mar 2017, 20:54
Sight, site, citeGary LaPook18 Mar 2017, 01:08
Re: Learning celestial navigationGary LaPook18 Mar 2017, 01:03
Re: The perils of going to sea relying on a minimum of modern electronicsGary LaPook3 Mar 2017, 06:18
Re: Versions of Dreisonstok, H.O. 208Gary LaPook3 Mar 2017, 06:16
Re: Symmedian talkGary LaPook2 Mar 2017, 07:39
Re: Symmedian talkGary LaPook2 Mar 2017, 00:10
Re: The ultimate celestial navigation time pieceGary LaPook24 Feb 2017, 17:32
Re: One Assumed position or Six?Gary LaPook8 Feb 2017, 02:59
Re: One Assumed position or Six?Gary LaPook8 Feb 2017, 02:33
Re: Correct way to calculate time of LAN?Gary LaPook7 Feb 2017, 06:57
Re: Correct way to calculate time of LAN?Gary LaPook7 Feb 2017, 05:49
Re: Correct way to calculate time of LAN?Gary LaPook7 Feb 2017, 05:47
Re: The Running Fix on an EllipsoidGary LaPook5 Feb 2017, 20:57
Re: The Running Fix on an EllipsoidGary LaPook4 Feb 2017, 07:44
Re: Is there a doctor........I mean a navlist member on board?Gary LaPook2 Feb 2017, 17:50
Re: Hats off to everyone who can do this!Gary LaPook2 Feb 2017, 17:36
Re: Precession and NutationGary LaPook2 Feb 2017, 17:30
Re: Is there a doctor........I mean a navlist member on board?Gary LaPook1 Feb 2017, 18:05
Re: Precession and NutationGary LaPook1 Feb 2017, 01:17
Re: Precession and NutationGary LaPook31 Jan 2017, 17:20
Re: Precession and NutationGary LaPook31 Jan 2017, 17:14
Re: Precession and NutationGary LaPook31 Jan 2017, 17:02
Re: Is there a doctor........I mean a navlist member on board?Gary LaPook31 Jan 2017, 16:58
Re: Precession and NutationGary LaPook30 Jan 2017, 23:27
Re: An artificial horizon opportunity?Gary LaPook29 Jan 2017, 10:03
Re: STARS below ?? declination are never visible.Gary LaPook25 Jan 2017, 10:39
Re: Where are you most likely to be in the triangle?Gary LaPook22 Jan 2017, 02:28
Re: Where are you most likely to be in the triangle?Gary LaPook22 Jan 2017, 02:41
Re: Spaceship navigationGary LaPook16 Jan 2017, 07:13
Re: Spaceship navigationGary LaPook14 Jan 2017, 06:38
Spaceship navigationGary LaPook12 Jan 2017, 05:10
Re: Golden Globe Race NavigationGary LaPook6 Jan 2017, 09:58
Certaine Errors in Navigation by Edward Wright, 1599Gary LaPook6 Jan 2017, 09:18
Re: Time Zone DesignationsGary LaPook5 Jan 2017, 09:46
Re: Time Zone DesignationsGary LaPook5 Jan 2017, 09:10
Re: Time Zone DesignationsGary LaPook4 Jan 2017, 10:04
Re: Time Zone DesignationsGary LaPook4 Jan 2017, 07:51
Re: Showing a Mercator Projection is not a perspective projectionGary LaPook2 Jan 2017, 21:16
Re: Showing a Mercator Projection is not a perspective projectionGary LaPook2 Jan 2017, 07:30
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, 07:11
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, 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, 11:15
Re: Fred Noonan CriticizedGary LaPook23 Jun 2016, 11:54
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, 09:05
Re: U-boat Celestial Navigation WWIIGary LaPook13 Jan 2016, 09:09
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: Lighting Problems w/ Aircraft Bubble SextantsGary LaPook29 Dec 2015, 07:14
Edward WrightGary LaPook28 Dec 2015, 06:38
Re: Circular "Navigational Computer"Gary LaPook27 Dec 2015, 04:27
Re: Circular "Navigational Computer"Gary LaPook26 Dec 2015, 08:39
Re: Differences between computing devicesGary LaPook26 Dec 2015, 04:51
Re: Rude star finderGary LaPook25 Dec 2015, 18:00
Re: Rude star finderGary LaPook25 Dec 2015, 09:06
Re: Rude star finderGary LaPook25 Dec 2015, 08:25
Re: Rude star finderGary LaPook25 Dec 2015, 07:59
Re: Rude star finderGary LaPook25 Dec 2015, 07:37
Re: Spotting scope technique, success wow!!...Gary LaPook22 Dec 2015, 06:39
Re: Rude star finderGary LaPook22 Dec 2015, 06:39
Re: Spotting scope technique, success wow!!...Gary LaPook22 Dec 2015, 06:34
Re: Rude star finderGary LaPook22 Dec 2015, 06:04
Re: Spotting scope technique, success wow!!...Gary LaPook22 Dec 2015, 05:39
Re: Rude star finderGary LaPook22 Dec 2015, 03:47
Re: Solstice in twelve hoursGary LaPook21 Dec 2015, 20:23
Re: Help for beginnerGary LaPook21 Dec 2015, 19:00
Re: Help for beginnerGary LaPook21 Dec 2015, 08:05
Re: Help for beginnerGary LaPook21 Dec 2015, 07:39
Re: Help for beginnerGary LaPook21 Dec 2015, 05:32
Re: Rude star finderGary LaPook20 Dec 2015, 19:09
Re: Rude star finderGary LaPook17 Dec 2015, 18:18
Re: Rude star finderGary LaPook16 Dec 2015, 19:05
Re: Rude star finderGary LaPook16 Dec 2015, 07:53
Re: B-52 navigator in New York TimesGary LaPook16 Dec 2015, 07:46
Rude star finderGary LaPook15 Dec 2015, 18:33
Re: Spotting scope technique, success wow!!...Gary LaPook14 Dec 2015, 20:45
Re: Calculate new coordinates given bearing and distance?Gary LaPook11 Dec 2015, 07:05
Re: Long Term vs Annual AlmanacGary LaPook5 Dec 2015, 07:41
Re: App or program to find Hc just from lat, dec and LHA?Gary LaPook4 Dec 2015, 17:17
Re: MA-1 on eBayGary LaPook3 Dec 2015, 08:58
Re: Polar navigation...exact north pole?Gary LaPook3 Dec 2015, 04:51
Polar navigationGary LaPook1 Dec 2015, 05:39
Re: Interesting libraryGary LaPook1 Dec 2015, 04:44
Re: Azimuth Angle and the Time DiagramsGary LaPook30 Nov 2015, 00:18
Re: Other uses for USNO Navigational Star ChartGary LaPook27 Nov 2015, 00:12
Re: Sight Reduction Tables (HO 249 Vol 1 and HO 229Vol4) - AProblemGary LaPook23 Nov 2015, 07:24
Re: Sight Reduction Tables (HO 249 Vol 1 and HO 229 Vol4) - AProblemGary LaPook22 Nov 2015, 23:15
Re: Sight Reduction Tables (HO 249 Vol 1 and HO 229 Vol4) - AProblemGary LaPook22 Nov 2015, 23:21
Re: Sight Reduction Tables (HO 249 Vol 1 and HO 229 Vol4) - A ProblemGary LaPook22 Nov 2015, 19:38
Re: CN Aspects of Chichester's Tasman CrossingGary LaPook22 Nov 2015, 09:59
Re: CN Aspects of Chichester's Tasman CrossingGary LaPook21 Nov 2015, 22:49
Re: CN Aspects of Chichester's Tasman CrossingGary LaPook21 Nov 2015, 08:34
Re: CN Aspects of Chichester's Tasman CrossingGary LaPook21 Nov 2015, 08:18
Re: Calculate star rise or set time?Gary LaPook19 Nov 2015, 10:30
Re: Calculate star rise or set time?Gary LaPook19 Nov 2015, 04:02
Re: MA-1 on eBayGary LaPook19 Nov 2015, 01:52
Re: MA-1 on eBayGary LaPook19 Nov 2015, 01:40
Re: Bearing of the sun at a given time from a given positionGary LaPook18 Nov 2015, 08:14
Re: MA-1 on eBayGary LaPook18 Nov 2015, 06:48
Re: MA-1 on eBayGary LaPook18 Nov 2015, 05:19
Re: Sight reduction methodsGary LaPook14 Nov 2015, 19:30
Re: NGA to update Bowditch, seeks public inputGary LaPook12 Nov 2015, 18:55
Re: CN Aspects of Chichester's Tasman CrossingGary LaPook10 Nov 2015, 21:12
Re: Short Wave Vs 2-Meter Ham Band frequencies for UTGary LaPook10 Nov 2015, 08:08
Re: Is night vision independent?Gary LaPook10 Nov 2015, 07:47
Re: H.O. 218 Vs. H.O. 249Gary LaPook8 Nov 2015, 01:21
Re: Sight reduction methodsGary LaPook5 Nov 2015, 18:31
Re: Sight reduction methodsGary LaPook4 Nov 2015, 18:37
Re: Sight reduction methodsGary LaPook4 Nov 2015, 18:02
Re: Sight reduction methodsGary LaPook4 Nov 2015, 09:11
Re: Sight reduction methodsGary LaPook4 Nov 2015, 09:06
Re: Sight reduction methodsGary LaPook3 Nov 2015, 23:38
Re: Sight reduction methodsGary LaPook3 Nov 2015, 23:33
Re: Green flash!Gary LaPook2 Nov 2015, 10:21
Re: Ageton Classic SR Table PDFGary LaPook30 Oct 2015, 22:42
Re: Ageton HO 211 accuracy 1944 articleGary LaPook30 Oct 2015, 04:24
Re: Ageton HO 211 accuracy 1944 articleGary LaPook30 Oct 2015, 04:26
Re: Nomenclature SemanticsGary LaPook29 Oct 2015, 16:46
Re: Kansas: heartland of celestial navigationGary LaPook29 Oct 2015, 04:47
Re: Using Table 4 HO249 for Suns GHA and Dec.Gary LaPook26 Oct 2015, 23:01
Re: Another crazy sextant picGary LaPook26 Oct 2015, 16:53
Re: Bubble Sextant as Dip MeterGary LaPook25 Oct 2015, 03:39
Re: Bubble Sextant as Dip MeterGary LaPook24 Oct 2015, 10:50
Re: Bubble Sextant as Dip MeterGary LaPook23 Oct 2015, 23:11
Re: Degrees and minutes vs decimal degreesandtheDaily PagesGary LaPook20 Oct 2015, 15:53
Re: Degrees and minutes vs decimal degrees andtheDaily PagesGary LaPook19 Oct 2015, 23:46
Re: US Naval Academy reinstates classes in celestial navigationGary LaPook15 Oct 2015, 16:27
Re: The magical maths of Google MapsGary LaPook8 Oct 2015, 10:00
Re: The magical maths of Google MapsGary LaPook8 Oct 2015, 09:00
Re: The magical maths of Google MapsGary LaPook7 Oct 2015, 05:25
Re: The magical maths of Google MapsGary LaPook7 Oct 2015, 03:52
Re: The magical maths of Google MapsGary LaPook6 Oct 2015, 23:15
Re: Got a new sextant?Gary LaPook4 Oct 2015, 07:42
Re: Got a new sextant?Gary LaPook3 Oct 2015, 21:11
Re: Got a new sextant?Gary LaPook3 Oct 2015, 21:07
Re: Got a new sextant?Gary LaPook3 Oct 2015, 21:06
Re: Got a new sextant?Gary LaPook3 Oct 2015, 21:02
Re: Got a new sextant?Gary LaPook2 Oct 2015, 23:10
Re: Sextant with an umbrellaGary LaPook2 Oct 2015, 04:08
Re: Sextant with an umbrellaGary LaPook2 Oct 2015, 04:13
Re: Precomputing sights with the Rude star finderGary LaPook28 Sep 2015, 07:26
Precomputing sights with the Rude star finderGary LaPook28 Sep 2015, 07:02
Re: Was it a "super moon" or just the same old moon?Gary LaPook28 Sep 2015, 06:06
Re: Help - Unknown Compass Graduation ArrangementGary LaPook25 Sep 2015, 17:46
Re: Watches as chronometersGary LaPook24 Sep 2015, 08:18
Re: Lunar Averaging and theoretical line slope.Gary LaPook24 Sep 2015, 05:34
Re: Four chronometers walk into a bar...Gary LaPook24 Sep 2015, 01:13
Re: Four chronometers walk into a bar...Gary LaPook24 Sep 2015, 01:06
Re: Four chronometers walk into a bar...Gary LaPook22 Sep 2015, 12:07
Re: Four chronometers walk into a bar...Gary LaPook21 Sep 2015, 18:38
Re: Four chronometers walk into a bar...Gary LaPook21 Sep 2015, 14:55
Re: A Sextant Story -- from Air Force Space CommandGary LaPook10 Sep 2015, 15:42
Re: A Sextant Story -- from Air Force Space CommandGary LaPook9 Sep 2015, 22:35
Re: Reusability of Polaris TablesGary LaPook8 Sep 2015, 18:42
Re: Reusability of Polaris TablesGary LaPook8 Sep 2015, 17:51
Re: Reusability of Polaris TablesGary LaPook8 Sep 2015, 02:48
Re: Reusability of Polaris TablesGary LaPook8 Sep 2015, 02:45
Re: Reusability of Polaris TablesGary LaPook8 Sep 2015, 02:43
Searching document archiveGary LaPook2 Sep 2015, 15:35
Re: Hav-DoniolGary LaPook2 Sep 2015, 14:41
Re: Ball Recording Sextant Mark 1 Mod. 0Gary LaPook2 Sep 2015, 03:32
Re: Side error and cylindersGary LaPook28 Aug 2015, 17:28
Re: DIY Tables?Gary LaPook27 Aug 2015, 17:02
Re: Book - Wind, Sand and StarsGary LaPook24 Aug 2015, 06:49
Re: Weir's Azimuth DiagtamGary LaPook23 Aug 2015, 22:10
Re: Book - Wind, Sand and StarsGary LaPook21 Aug 2015, 07:41
Re: Book - Wind, Sand and StarsGary LaPook19 Aug 2015, 17:24
Re: NOW what?Gary LaPook19 Aug 2015, 07:54
Re: Book - Wind, Sand and StarsGary LaPook19 Aug 2015, 06:27
Re: Definition of the twilight intervalsGary LaPook17 Aug 2015, 22:54
Re: NOW what?Gary LaPook15 Aug 2015, 18:08
Re: Brown-NassauGary LaPook11 Aug 2015, 23:17
Re: Beginningbook on CelNavGary LaPook9 Aug 2015, 07:14
Re: Arcturus- what is the arc diameter from Earth?Gary LaPook7 Aug 2015, 02:16
Re: Bit more on Haversine FormulaGary LaPook6 Aug 2015, 04:27
Re: Bit more on Haversine FormulaGary LaPook6 Aug 2015, 04:20
Re: Plotting vs calculating PositionGary LaPook1 Aug 2015, 15:07
Re: Plotting vs calculating PositionGary LaPook31 Jul 2015, 15:54
Re: Plotting vs calculating PositionGary LaPook31 Jul 2015, 04:08
Re: Plotting vs calculating PositionGary LaPook30 Jul 2015, 23:01
Mh 370Gary LaPook30 Jul 2015, 19:10
Re: What precision is required in cel nav?Gary LaPook18 Jul 2015, 18:45
Re: What precision is required in cel nav?Gary LaPook17 Jul 2015, 20:41
Re: What precision is required in cel nav?Gary LaPook17 Jul 2015, 17:25
Re: Another "emergency navigation" sightreductionmethodGary LaPook15 Jul 2015, 17:01
Re: Another "emergency navigation"sightreductionmethodGary LaPook15 Jul 2015, 06:51
Re: Backyard Sextant SystemGary LaPook14 Jul 2015, 23:08
Re: Another "emergency navigation" sight reductionmethodGary LaPook14 Jul 2015, 23:19
Re: Another "emergency navigation"sightreductionmethodGary LaPook14 Jul 2015, 20:01
Re: Another "emergency navigation" sight reductionmethodGary LaPook14 Jul 2015, 19:54
Re: Another "emergency navigation" sightreductionmethodGary LaPook14 Jul 2015, 18:18
Re: Another "emergency navigation" sight reductionmethodGary LaPook14 Jul 2015, 07:22
Re: Bygrave Special CasesGary LaPook14 Jul 2015, 07:10
Re: Another "emergency navigation" sight reductionmethodGary LaPook13 Jul 2015, 08:53
Re: Another "emergency navigation" sight reduction methodGary LaPook13 Jul 2015, 06:14
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:57
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:31
Re: Another "emergency navigation" sight reduction methodGary LaPook12 Jul 2015, 07:26
Re: Another "emergency navigation" sight reduction methodGary LaPook10 Jul 2015, 10:10
Re: Another "emergency navigation" sight reduction methodGary LaPook10 Jul 2015, 08:37
Re: Another "emergency navigation" sight reductionmethodGary LaPook9 Jul 2015, 00:44
Re: Another "emergency navigation" sight reduction methodGary LaPook6 Jul 2015, 05:35
Re: Another "emergency navigation" sight reduction methodGary LaPook5 Jul 2015, 22:11
Re: Backyard Sextant SystemGary LaPook3 Jul 2015, 08:20
Re: Hand Bearing Compass DeviationGary LaPook1 Jul 2015, 06:36
Warimoo ArticleGary LaPook1 Jul 2015, 03:33
Re: Robert Doniol's resume and accomplishmentsGary LaPook1 Jul 2015, 03:25
Re: Robert Doniol's resume and accomplishmentsGary LaPook1 Jul 2015, 02:08
Re: Does "Lifeboat Navigation" exist today?Gary LaPook30 Jun 2015, 20:18
Re: Robert Doniol's resume and accomplishmentsGary LaPook30 Jun 2015, 19:06
Re: Robert Doniol's resume and accomplishmentsGary LaPook30 Jun 2015, 18:40
Re: Robert Doniol's resume and accomplishmentsGary LaPook30 Jun 2015, 18:35
Re: Review of the Longhand Haversine Sight ReductionmethodGary LaPook27 Jun 2015, 18:25
Re: Review of the Longhand Haversine Sight Reduction methodGary LaPook27 Jun 2015, 08:59
Re: Comparison, Pan of Oil vs Mirror Artificial HorizonGary LaPook24 Jun 2015, 05:17
Re: Comparison, Pan of Oil vs Mirror Artificial HorizonGary LaPook23 Jun 2015, 21:19
Re: Review of the Longhand Haversine Sight Reduction methodGary LaPook21 Jun 2015, 22:29
Practice with your artificial horizon and bubble sextantGary LaPook21 Jun 2015, 21:57
Re: Dip Short questionGary LaPook21 Jun 2015, 21:30
Re: Making an impact with hav-Doniol (collection of prior posts)Gary LaPook21 Jun 2015, 18:05
Re: Does "Lifeboat Navigation" exist today?Gary LaPook20 Jun 2015, 23:02
Re: Making an impact with hav-DoniolGary LaPook20 Jun 2015, 17:11
Re: Does "Lifeboat Navigation" exist today?Gary LaPook18 Jun 2015, 17:51
Re: Does "Lifeboat Navigation" exist today?Gary LaPook17 Jun 2015, 18:34
Re: Does "Lifeboat Navigation" exist today?Gary LaPook17 Jun 2015, 10:06
Re: Does "Lifeboat Navigation" exist today?Gary LaPook17 Jun 2015, 06:49
Re: Historical math and astronomy tables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:51
Re: Historical math andastronomytables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:42
Re: Historical math and astronomytables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:39
Re: Historical math and astronomy tables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:14
Re: Historical math and astronomy tables, LOCOMAT, 7-placecylindricalslide ruleGary LaPook16 Jun 2015, 08:58
Re: Historical math and astronomy tables,LOCOMAT,7-place cylindricalslide ruleGary LaPook16 Jun 2015, 08:21
Re: Hav-DoniolGary LaPook16 Jun 2015, 08:30
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook15 Jun 2015, 10:04
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook15 Jun 2015, 09:56
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook15 Jun 2015, 08:32
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook15 Jun 2015, 08:27
Re: Hav-DoniolGary LaPook15 Jun 2015, 08:04
Re: Hav-DoniolGary LaPook14 Jun 2015, 21:37
Re: Amelia Earhart commemoration: June 4, NoankGary LaPook13 Jun 2015, 08:02
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook12 Jun 2015, 07:16
Re: Greg's article on hav-Doniol in "Ocean Navigator"Gary LaPook12 Jun 2015, 06:16
Re: Timing error impact on HcGary LaPook7 Jun 2015, 18:50
Re: Timing error impact on HcGary LaPook7 Jun 2015, 05:22
Re: The Nautical Mile and the arc minuteGary LaPook6 Jun 2015, 21:09
Re: The Nautical Mile and the arc minuteGary LaPook6 Jun 2015, 00:50
Re: The Nautical Mile and the arc minuteGary LaPook5 Jun 2015, 23:11
Re: The Nautical Mile and the arc minuteGary LaPook5 Jun 2015, 22:55
Re: The Nautical Mile and the arc minuteGary LaPook5 Jun 2015, 21:23
Re: The Nautical Mile and the arc minuteGary LaPook5 Jun 2015, 19:25
Re: The Nautical Mile and the arc minuteGary LaPook5 Jun 2015, 18:46
Re: Navigator's choiceGary LaPook3 Jun 2015, 07:39
Re: Navigation errors and Sahara crash 1952Gary LaPook3 Jun 2015, 05:21
Re: Navigation errors and Sahara crash 1952Gary LaPook1 Jun 2015, 21:28
Re: Navigation errors and Sahara crash 1952Gary LaPook1 Jun 2015, 21:11
Re: Navigation errors and Sahara crash 1952Gary LaPook1 Jun 2015, 20:58
Re: Navigation errors and Sahara crash 1952Gary LaPook1 Jun 2015, 19:13
Re: Navigation errors and Sahara crash 1952Gary LaPook1 Jun 2015, 09:20
Re: Navigation errors and Sahara crash 1952Gary LaPook30 May 2015, 22:49
Navigation errors and Sahara crash 1952Gary LaPook30 May 2015, 19:26
Re: 2102-D star finder or other?Gary LaPook30 May 2015, 17:16
Re: CP-300/U Star FinderGary LaPook29 May 2015, 16:14
Re: CP-300/U Star FinderGary LaPook29 May 2015, 05:17
Re: Moon Altitude CorrectionGary LaPook26 May 2015, 19:35
Re: Moon Altitude CorrectionGary LaPook26 May 2015, 07:01
Re: Moon Altitude CorrectionGary LaPook26 May 2015, 04:00
Re: 2102-D star finder or other?Gary LaPook26 May 2015, 01:02
Re: 2102-D star finder or other?Gary LaPook26 May 2015, 00:59
Re: 2102-D star finder or other?Gary LaPook26 May 2015, 00:34
Re: 2102-D star finder or other?Gary LaPook25 May 2015, 16:06
Re: 2102-D star finder or other?Gary LaPook25 May 2015, 04:05
Re: 2102-D star finder or other?Gary LaPook24 May 2015, 14:07
Re: Moon Altitude CorrectionGary LaPook24 May 2015, 06:44
Re: 2102-D star finder or other?Gary LaPook24 May 2015, 05:36
Re: Bubble sextant collimationGary LaPook22 May 2015, 03:27
Re: Bubble sextant collimationGary LaPook20 May 2015, 21:56
Re: My plotting boardGary LaPook11 May 2015, 06:54
Re: My plotting boardGary LaPook10 May 2015, 21:15
Re: My plotting boardGary LaPook8 May 2015, 16:12
Re: My plotting boardGary LaPook8 May 2015, 09:35
Re: My plotting boardGary LaPook8 May 2015, 09:51
Re: My plotting boardGary LaPook6 May 2015, 18:50
Re: Howgozit chartGary LaPook28 Apr 2015, 23:31
Re: Howgozit chartGary LaPook28 Apr 2015, 18:07
Re: Howgozit chartGary LaPook28 Apr 2015, 18:13
Re: Advancing the LOPGary LaPook28 Apr 2015, 07:43
Re: Advancing the LOPGary LaPook27 Apr 2015, 06:02
Re: Advancing the LOPGary LaPook27 Apr 2015, 05:59
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 19:50
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 08:31
Re: Celestial Navigation at NEAFGary LaPook20 Apr 2015, 04:16
Re: Sea level defines EmpireGary LaPook17 Apr 2015, 22:54
Re: Relative bearingsGary LaPook17 Apr 2015, 17:33
Re: Another movie sextantGary LaPook15 Apr 2015, 15:30
Re: Relative bearingsGary LaPook15 Apr 2015, 15:29
Re: Sea level defines EmpireGary LaPook10 Apr 2015, 06:22
Re: Sea level defines EmpireGary LaPook9 Apr 2015, 19:09
Re: Air Almanac users?Gary LaPook8 Apr 2015, 06:38
Re: Air Almanac users?Gary LaPook8 Apr 2015, 00:19
Re: Brown-Nassau analog calculator at SmithsonianGary LaPook7 Apr 2015, 06:06
Re: LHA and Meridian AnglesGary LaPook3 Apr 2015, 00:45
Re: Determing the bearing off a celestial object.Gary LaPook1 Apr 2015, 07:38
Re: Determing the bearing off a celestial object.Gary LaPook31 Mar 2015, 07:09
Re: Celestial Navigation in the MoviesGary LaPook24 Mar 2015, 18:35
Re: Slide rules and cel navGary LaPook23 Mar 2015, 22:41
Re: Celestial Navigation in the MoviesGary LaPook23 Mar 2015, 22:24
Re: Celestial Navigation in the MoviesGary LaPook23 Mar 2015, 16:27
Re: E6B/Dalton ComputerGary LaPook16 Mar 2015, 04:30
Re: E6B/Dalton ComputerGary LaPook15 Mar 2015, 17:47
Re: Status of Celestial Nav in 2015Gary LaPook7 Mar 2015, 23:37
Re: Status of Celestial Nav in 2015Gary LaPook6 Mar 2015, 07:24
Re: Trackline Attachment Syndrome - Frances Wright's perspectiveGary LaPook15 Feb 2015, 17:50
Re: Modern celestial navigation: when and why?Gary LaPook14 Feb 2015, 17:56
Re: Modern celestial navigation: when and why?Gary LaPook14 Feb 2015, 17:49
Re: Parallax of the MoonGary LaPook7 Feb 2015, 16:13
Re: Irregular Quadrilateral CenterGary LaPook5 Feb 2015, 01:21
Re: Plath bubble sextant on ebay (C&P versus Plath)Gary LaPook3 Feb 2015, 17:28
Re: Landfall procedureGary LaPook31 Jan 2015, 08:27
Re: Landfall procedureGary LaPook31 Jan 2015, 08:02
Re: Landfall procedureGary LaPook31 Jan 2015, 07:21
Re: More on Charles Lindbergh's Attitude to NavigationGary LaPook28 Jan 2015, 17:12
Re: More on Charles Lindbergh's attitude to air navigationGary LaPook28 Jan 2015, 16:51
Re: Charles Lindbergh, dead reckoning and Amelia EarhartGary LaPook27 Jan 2015, 06:34
Re: The term APGary LaPook20 Jan 2015, 23:09
Re: Hughes explanation of Chichester's navigation.Gary LaPook15 Jan 2015, 16:12
Re: Hughes explanation of Chichester's navigation.Gary LaPook15 Jan 2015, 00:31
Re: Hughes explanation of Chichester's navigation.Gary LaPook14 Jan 2015, 17:52
Re: Obtain a fix when you don't have an clear AP?Gary LaPook14 Jan 2015, 16:22
Re: Kollsman periscopic sextant mountGary LaPook4 Jan 2015, 17:50
Re: LHA listing by the minute, looking for.Gary LaPook3 Jan 2015, 07:10
Re: Kollsman periscopic sextant mountGary LaPook3 Jan 2015, 01:09
Re: Kollsman periscopic sextant mountGary LaPook3 Jan 2015, 01:03
Re: LHA listing by the minute, looking for.Gary LaPook2 Jan 2015, 11:41
Fw: Re: The Great Circle ChallengeGary LaPook31 Dec 2014, 08:50
Re: The Great Circle ChallengeGary LaPook30 Dec 2014, 08:31
Re: The Great Circle ChallengeGary LaPook30 Dec 2014, 06:22
Re: The Great Circle ChallengeGary LaPook29 Dec 2014, 20:01
Re: The Great Circle ChallengeGary LaPook28 Dec 2014, 17:30
Re: The Great Circle ChallengeGary LaPook27 Dec 2014, 03:44
Re: The Great Circle ChallengeGary LaPook27 Dec 2014, 03:39
Re: The Great Circle ChallengeGary LaPook27 Dec 2014, 01:59
Re: The Great Circle ChallengeGary LaPook27 Dec 2014, 01:51
Re: The Great Circle ChallengeGary LaPook26 Dec 2014, 19:35
Re: The Great Circle ChallengeGary LaPook26 Dec 2014, 19:17
Re: Azimith forumula for Great Circle sailings- having problemsGary LaPook25 Dec 2014, 04:09
Re: Azimith forumula for Great Circle sailings- having problemsGary LaPook24 Dec 2014, 23:56
Re: Azimith forumula for Great Circle sailings- having problemsGary LaPook24 Dec 2014, 08:51
Re: Azimith forumula for Great Circle sailings- having problemsGary LaPook23 Dec 2014, 23:54
Re: Earhart articleGary LaPook22 Dec 2014, 06:41
Re: LHA listing by the minute, looking for.Gary LaPook21 Dec 2014, 09:26
Re: Earhart articleGary LaPook21 Dec 2014, 07:23
Re: LHA listing by the minute, looking for.Gary LaPook20 Dec 2014, 11:06
Re: LHA listing by the minute, looking for.Gary LaPook20 Dec 2014, 09:41
Re: LHA listing by the minute, looking for.Gary LaPook19 Dec 2014, 23:10
Re: Island in the skyGary LaPook18 Dec 2014, 01:10
Re: GHA Aries long term Table?Gary LaPook18 Dec 2014, 01:04
Re: GHA Aries long term Table?Gary LaPook18 Dec 2014, 00:39
Re: Space PenGary LaPook15 Dec 2014, 04:46
Re: Space PenGary LaPook15 Dec 2014, 01:08
Polhemus available on EBAY nowGary LaPook12 Dec 2014, 07:24
Re: Hp by Doniol for AircraftGary LaPook5 Dec 2014, 23:08
Re: Hp by Doniol for AircraftGary LaPook5 Dec 2014, 22:49
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 22:25
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 18:39
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 10:34
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 10:33
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 10:17
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 10:19
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 08:20
Re: Hp by Doniol for AircraftGary LaPook5 Dec 2014, 08:06
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 07:42
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 07:13
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 07:08
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 02:39
Re: Hughes explanation of Chichester's navigation.Gary LaPook5 Dec 2014, 02:10
Re: Mercator Sailing and Meridional PartsGary LaPook4 Dec 2014, 08:10
Re: Hughes explanation of Chichester's navigation.Gary LaPook4 Dec 2014, 07:41
Re: Brown-Nassau CN PlotterGary LaPook4 Dec 2014, 06:33
Re: Hp by Doniol for AircraftGary LaPook3 Dec 2014, 08:54
Re: Hp by Doniol for AircraftGary LaPook2 Dec 2014, 20:51
Re: Hp by Doniol for AircraftGary LaPook2 Dec 2014, 18:52
Re: Mercator Sailing and Meridional PartsGary LaPook2 Dec 2014, 11:13
Hughes explanation of Chichester's navigation.Gary LaPook2 Dec 2014, 10:38
Chichester's explanation of his navigationGary LaPook2 Dec 2014, 10:37
Navigation of Chichesters flightGary LaPook2 Dec 2014, 10:36
Re: Hp by Doniol for AircraftGary LaPook2 Dec 2014, 08:59
Re: Hp by Doniol for AircraftGary LaPook2 Dec 2014, 08:28
Re: Hp by Doniol for AircraftGary LaPook2 Dec 2014, 08:30
Re: Longhand Sight ReductionGary LaPook28 Nov 2014, 02:17
Re: Polhemus manualGary LaPook25 Nov 2014, 18:03
Polhemus manualGary LaPook22 Nov 2014, 23:53
Re: Early methods of air navigationGary LaPook22 Nov 2014, 23:49
Re: Mear's slideGary LaPook22 Nov 2014, 23:28
Re: Early methods of air navigationGary LaPook22 Nov 2014, 18:57
Re: Early methods of air navigationGary LaPook22 Nov 2014, 07:41
Re: Early methods of air navigationGary LaPook22 Nov 2014, 07:30
Re: Early methods of air navigationGary LaPook22 Nov 2014, 07:26
Re: Early methods of air navigationGary LaPook22 Nov 2014, 06:30
Re: Early methods of air navigationGary LaPook21 Nov 2014, 18:44
Re: Early methods of air navigationGary LaPook21 Nov 2014, 18:33
Re: Early methods of air navigationGary LaPook21 Nov 2014, 18:29
Re: Early methods of air navigationGary LaPook21 Nov 2014, 18:14
Mear's slideGary LaPook21 Nov 2014, 10:03
Re: Brown-Nassau CN PlotterGary LaPook21 Nov 2014, 08:02
Mear's slideGary LaPook21 Nov 2014, 07:54
Re: Brown-Nassau CN PlotterGary LaPook21 Nov 2014, 05:51
Re: Two body Sandwich Fix ProformaGary LaPook20 Nov 2014, 03:24
Point HondaGary LaPook20 Nov 2014, 02:43
Re: Brown-Nassau CN PlotterGary LaPook20 Nov 2014, 02:47
Re: Two body Sandwich Fix ProformaGary LaPook18 Nov 2014, 00:09
Re: Brown-Nassau Spherical computerGary LaPook17 Nov 2014, 09:51
Re: Two body Sandwich Fix ProformaGary LaPook17 Nov 2014, 02:20
Re: Two body Sandwich Fix ProformaGary LaPook17 Nov 2014, 02:02
Re: Two body Sandwich Fix ProformaGary LaPook16 Nov 2014, 20:13
Re: Two body Sandwich Fix ProformaGary LaPook16 Nov 2014, 07:14
Re: Two body Sandwich Fix ProformaGary LaPook16 Nov 2014, 06:39
Re: Fixes consistantly south and west of GPSGary LaPook15 Nov 2014, 21:21
Re: Sights perpendicular to courseGary LaPook15 Nov 2014, 06:44
Re: Sights perpendicular to courseGary LaPook15 Nov 2014, 00:20
Re: Longhand Sight ReductionGary LaPook14 Nov 2014, 07:41
Re: Longhand Sight ReductionGary LaPook14 Nov 2014, 07:42
Re: Longhand Sight ReductionGary LaPook13 Nov 2014, 10:22
Re: Sights perpendicular to courseGary LaPook12 Nov 2014, 03:02
Re: Sights perpendicular to courseGary LaPook7 Nov 2014, 22:21
Re: Sights perpendicular to courseGary LaPook7 Nov 2014, 02:41
Re: Limb corrections using a reflective artificial horizonGary LaPook6 Nov 2014, 05:05
Re: Sun Shots Through CloudsGary LaPook6 Nov 2014, 05:07
Re: Earhart plane fragment may be authenticGary LaPook31 Oct 2014, 08:04
Re: Earhart plane fragment may be authenticGary LaPook30 Oct 2014, 07:37
Re: What is the best accuracy you can expect from a'dip-short' tableGary LaPook23 Oct 2014, 05:35
Re: What is the best accuracy you can expect from a'dip-short' tableGary LaPook23 Oct 2014, 05:33
Re: Ball Recording SextantGary LaPook21 Oct 2014, 18:37
Re: Ball Recording SextantGary LaPook21 Oct 2014, 16:57
Re: What is the best accuracy you can expect from a 'dip-short' tableGary LaPook21 Oct 2014, 17:03
Re: SNO-M sextant manualGary LaPook21 Oct 2014, 16:41
Re: Make a UPS? PLease ignore my prior post, NEVER mind, I did it correctly.Gary LaPook19 Oct 2014, 22:24
Re: Make a UPS? PLease ignore my prior post.Gary LaPook19 Oct 2014, 21:44
Re: Make a UPS?Gary LaPook19 Oct 2014, 21:29
Re: Interesting ebay find: Plath suncompass - cira WWIIGary LaPook16 Oct 2014, 05:07
Re: Moon total correction- round it up?Gary LaPook12 Oct 2014, 14:14
Re: Moon total correction- round it up?Gary LaPook10 Oct 2014, 06:28
Re: OT Re: Hanse yachtsGary LaPook7 Oct 2014, 21:47
Re: SNO-M sextant manualGary LaPook7 Oct 2014, 18:26
Re: Ex-meridian sun sightsGary LaPook5 Oct 2014, 22:09
Selenelion, something new in eclipsesGary LaPook5 Oct 2014, 21:02
Re: Star rise and set visibilityGary LaPook5 Oct 2014, 20:10
Re: Moon sight?Gary LaPook4 Oct 2014, 20:14
Re: Moon sight?Gary LaPook4 Oct 2014, 19:52
Re: Moon sight?Gary LaPook4 Oct 2014, 19:10
Re: Moon sight?Gary LaPook4 Oct 2014, 07:45
Re: Moon sight?Gary LaPook4 Oct 2014, 07:06
Grounding of USS GuardianGary LaPook29 Sep 2014, 05:15
Re: Polaris for Latitude- why so accurate?Gary LaPook29 Sep 2014, 03:26
Re: Polaris for Latitude- why so accurate?Gary LaPook29 Sep 2014, 03:08
Re: Polaris for Latitude- why so accurate?Gary LaPook28 Sep 2014, 01:23
Re: Fw: Re: I and C pages of the NAGary LaPook27 Sep 2014, 08:59
Fw: Re: I and C pages of the NAGary LaPook27 Sep 2014, 01:53
Re: I and C pages of the NAGary LaPook27 Sep 2014, 01:36
Re: I and C pages of the NAGary LaPook27 Sep 2014, 01:18
Re: I and C pages of the NAGary LaPook26 Sep 2014, 16:41
Re: I and C pages of the NAGary LaPook26 Sep 2014, 03:42
Re: Interesting ebay find: Plath suncompass - ciraWWIIGary LaPook25 Sep 2014, 18:11
Re: Ageton method and HO 211?Gary LaPook25 Sep 2014, 17:54
Re: Interesting ebay find: Plath suncompass - cira WWIIGary LaPook25 Sep 2014, 05:04
Re: Interesting ebay find: Plath suncompass - ciraWWIIGary LaPook25 Sep 2014, 05:11
Re: Interesting ebay find: Plath suncompass - cira WWIIGary LaPook24 Sep 2014, 14:38
Re: Interesting ebay find: Plath suncompass - cira WWIIGary LaPook24 Sep 2014, 05:15
Re: Equinox does not have equal day & night lengthGary LaPook22 Sep 2014, 23:17
Re: Calculating TwilightGary LaPook20 Sep 2014, 18:17
Re: On Math and NavigationGary LaPook18 Sep 2014, 19:18
Re: On Math and NavigationGary LaPook18 Sep 2014, 08:00
Re: Buckley Navigation TricksGary LaPook17 Sep 2014, 17:54
Re: Astrocompass in Airbus A320Gary LaPook17 Sep 2014, 04:11
Re: Flight NavigatorGary LaPook10 Sep 2014, 06:36
Re: Flight NavigatorGary LaPook10 Sep 2014, 05:50
Re: Flight NavigatorGary LaPook10 Sep 2014, 05:48
Re: 1930's flight navigationGary LaPook9 Sep 2014, 18:25
Re: Success in Sun sightsGary LaPook8 Sep 2014, 18:47
1930's flight navigationGary LaPook7 Sep 2014, 22:27
Re: Why do we ocean navigators defer to 249 when229isbetter?Gary LaPook2 Sep 2014, 19:26
Re: Why do we ocean navigators defer to 249 when 229 is better?Gary LaPook1 Sep 2014, 13:41
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook29 Aug 2014, 23:25
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook29 Aug 2014, 15:44
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook27 Aug 2014, 19:58
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook26 Aug 2014, 17:41
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook26 Aug 2014, 05:33
Re: North Pole ConspiracyGary LaPook26 Aug 2014, 04:49
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook26 Aug 2014, 03:14
Re: Noonsite using artificial horizon? Did I do it correctly?Gary LaPook25 Aug 2014, 20:32
Re: Off-topic: Future of the Gun (book)Gary LaPook17 Aug 2014, 05:23
Re: Movie: All is lost - revisitedGary LaPook4 Aug 2014, 17:04
Re: Lunar tables for month of Brumaire, year IXGary LaPook31 Jul 2014, 18:06
Re: Small craft RDF in 1967Gary LaPook31 Jul 2014, 08:17
Re: Small craft RDF in 1967Gary LaPook31 Jul 2014, 06:39
Re: Small craft RDF in 1967Gary LaPook31 Jul 2014, 06:11
Re: Small craft RDF in 1967Gary LaPook31 Jul 2014, 05:21
Re: ADMIN: begging for donations for NavList operationsGary LaPook23 Jul 2014, 04:43
Re: Rude Starfinder HistoryGary LaPook17 Jul 2014, 21:09
Re: Rude Starfinder HistoryGary LaPook17 Jul 2014, 19:28
Re: Rude Starfinder HistoryGary LaPook17 Jul 2014, 04:44
Re: Rude Starfinder HistoryGary LaPook16 Jul 2014, 06:32
Re: Rude Starfinder HistoryGary LaPook15 Jul 2014, 21:52
Computation anomaly in standard tables.Gary LaPook7 Jul 2014, 07:49
Re: Flat Bygrave alternative configurationGary LaPook3 Jul 2014, 16:40
Re: Bygrave formulaGary LaPook3 Jul 2014, 07:58
Re: Longhand Sight ReductionGary LaPook28 Jun 2014, 05:06
Re: Flat Bygrave alternative configurationGary LaPook17 Jun 2014, 21:57
Re: Flat Bygrave alternative configurationGary LaPook16 Jun 2014, 20:04
Re: Longhand Sight ReductionGary LaPook13 Jun 2014, 15:56
Re: Longhand Sight ReductionGary LaPook13 Jun 2014, 06:23
Re: First sight reduction tablesGary LaPook13 Jun 2014, 05:30
Re: Longhand Sight ReductionGary LaPook12 Jun 2014, 07:13
Re: Bygrave Patent GB162,895Gary LaPook2 Jun 2014, 05:18
Re: Making an artificial horizonGary LaPook31 May 2014, 17:51
Re: Using sun compass for calibrating boat compassGary LaPook7 May 2014, 19:43
Re: Researchers spoof GPS signals to alter superyacht'scourseGary LaPook29 Apr 2014, 15:58
Re: Researchers spoof GPS signals to alter superyacht'scourseGary LaPook28 Apr 2014, 22:44
Re: Researchers spoof GPS signals to alter superyacht'scourseGary LaPook28 Apr 2014, 20:51
Re: Anyone Lose Their Mercury?Gary LaPook25 Apr 2014, 00:06
Re: CN rendez-vous?Gary LaPook17 Apr 2014, 23:23
Re: Reminder of total lunar eclipse tonightGary LaPook15 Apr 2014, 16:23
Re: Reminder of total lunar eclipse tonightGary LaPook15 Apr 2014, 09:10
Polhemus computerGary LaPook11 Apr 2014, 08:56
Loss of GPS/GLONASS signalsGary LaPook10 Apr 2014, 17:51
Fw: H.O.229, all 6 volumesGary LaPook7 Apr 2014, 20:30
Re: H.O.229, all 6 volumesGary LaPook7 Apr 2014, 20:23
Re: Dual Stopwatch & Sextant FixGary LaPook7 Apr 2014, 05:28
Re: Approaching A Destination by Latitude Line SailingGary LaPook5 Apr 2014, 02:41
Re: Calculating Horizontal ParallaxGary LaPook3 Apr 2014, 01:16
Re: Fw: Re: (OFF-TOPIC) Flight 370Gary LaPook31 Mar 2014, 23:05
Fw: Re: (OFF-TOPIC) Flight 370Gary LaPook27 Mar 2014, 08:55
Re: (OFF-TOPIC) Flight 370Gary LaPook27 Mar 2014, 01:11
Re: (OFF-TOPIC) Flight 370Gary LaPook26 Mar 2014, 08:28
Re: (OFF-TOPIC) Flight 370Gary LaPook25 Mar 2014, 16:28
Re: Flight 370Gary LaPook24 Mar 2014, 06:17
Re: Flight 370Gary LaPook24 Mar 2014, 02:20
Re: Flight 370Gary LaPook24 Mar 2014, 01:29
Flight 370Gary LaPook23 Mar 2014, 23:41
A-7 radiumGary LaPook21 Mar 2014, 23:02
Re: Navigation exercise - travel from home to Texas and locatingposition without GPSGary LaPook21 Mar 2014, 15:24
Re: Occam's razorGary LaPook21 Mar 2014, 03:05
Re: Occam's razorGary LaPook21 Mar 2014, 00:12
Re: Occam's razorGary LaPook20 Mar 2014, 03:51
Re: Occam's razorGary LaPook19 Mar 2014, 20:12
Re: Occam's razorGary LaPook19 Mar 2014, 19:40
Re: Occam's razorGary LaPook19 Mar 2014, 19:30
Re: Occam's razorGary LaPook19 Mar 2014, 18:50
Re: Occam's razorGary LaPook19 Mar 2014, 17:26
Re: Prime MeridianGary LaPook18 Mar 2014, 19:16
Re: Question for pilots.Gary LaPook18 Mar 2014, 16:32
Re: Question for pilots.Gary LaPook18 Mar 2014, 04:39
Re: Question for pilots.Gary LaPook16 Mar 2014, 20:36
Re: MH370 circle of position?Gary LaPook15 Mar 2014, 23:00
Re: Nories sight reduction tables?Gary LaPook13 Mar 2014, 13:26
Re: Nories sight reduction tables?Gary LaPook12 Mar 2014, 15:02
MHR-1, a compendium of postsGary LaPook4 Mar 2014, 21:33
Re: Dennert & Pape MHR-1Gary LaPook4 Mar 2014, 21:31
Bygrave slide rule, a compendium of postsGary LaPook4 Mar 2014, 21:32
Re: Dennert & Pape MHR-1Gary LaPook4 Mar 2014, 21:08
Re: Ho 208 questionGary LaPook2 Mar 2014, 23:04
Re: Railroad TimeGary LaPook2 Mar 2014, 22:58
Re: Ho 208 questionGary LaPook2 Mar 2014, 22:32
Re: Learning what most of you already know about an RAF MkIXsextantbut anyway!Gary LaPook26 Feb 2014, 16:51
Re: Ho 208 questionGary LaPook26 Feb 2014, 16:42
Re: Ho 208 questionGary LaPook24 Feb 2014, 20:08
Re: Ho 208 questionGary LaPook24 Feb 2014, 20:06
Re: Piracy - this time complete messageGary LaPook23 Feb 2014, 20:01
Re: Re:the flat BygraveGary LaPook22 Feb 2014, 18:02
Re: "Time and Navigation" presentationGary LaPook16 Feb 2014, 21:05
Re: The sinking of the modern day BountyGary LaPook16 Feb 2014, 20:58
Re: Is a 7X scope worthwhile?Gary LaPook16 Feb 2014, 07:30
Re: Is a 7X scope worthwhile?Gary LaPook15 Feb 2014, 17:52
Re: Is a 7X scope worthwhile?Gary LaPook15 Feb 2014, 00:56
Re: "Time and Navigation" presentationGary LaPook14 Feb 2014, 20:31
Re: The sinking of the modern day BountyGary LaPook14 Feb 2014, 20:25
Re: The sinking of the modern day BountyGary LaPook14 Feb 2014, 20:15
Re: Warning from the architect of GPSGary LaPook14 Feb 2014, 18:54
Polais changingGary LaPook6 Feb 2014, 02:14
Re: Greetings to fellow celestial navigatorsGary LaPook5 Feb 2014, 17:47
Re: ExtinctionGary LaPook4 Feb 2014, 22:27
Green flash!Gary LaPook4 Feb 2014, 10:31
ExtinctionGary LaPook4 Feb 2014, 10:13
Re: Precomputing sextant observations at seaGary LaPook30 Jan 2014, 04:11
Re: Precomputing sextant observations at seaGary LaPook29 Jan 2014, 11:27
Re: Precomputing sextant observations at seaGary LaPook29 Jan 2014, 11:54
Re: Precomputing sextant observations at seaGary LaPook29 Jan 2014, 00:32
Precomputing sextant observations at seaGary LaPook28 Jan 2014, 12:00
Precomputing sextant observations at seaGary LaPook28 Jan 2014, 12:02
Precomputing sextant observations at seaGary LaPook28 Jan 2014, 12:02
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:15
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:04
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:13
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:12
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:07
Precomputing sextant observations at seaGary LaPook27 Jan 2014, 10:10
Re: Poor Line of Position ComputerGary LaPook24 Jan 2014, 07:36
Re: Poor Line of Position ComputerGary LaPook24 Jan 2014, 02:09
Re: Using a slide rule for celnavGary LaPook22 Jan 2014, 11:05
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 08:19
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 01:44
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:58
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:01
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:07
Re: Using a slide rule for celnavGary LaPook20 Jan 2014, 09:12
Re: Using a slide rule for celnavGary LaPook20 Jan 2014, 09:03
Re: Work sheets, plotting sheets for H.O. 211Gary LaPook20 Jan 2014, 01:58
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook19 Jan 2014, 20:41
Re: Weems LOP Short Table MethodGary LaPook19 Jan 2014, 20:32
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook19 Jan 2014, 20:05
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook19 Jan 2014, 19:57
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook19 Jan 2014, 19:42
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook18 Jan 2014, 21:52
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook18 Jan 2014, 19:53
A-7 and A-5 ManualGary LaPook17 Jan 2014, 17:36
Re: H.O. 208 questionGary LaPook16 Jan 2014, 18:29
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook16 Jan 2014, 07:22
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook16 Jan 2014, 06:32
Re: Fix differences with 5 reduction methods...Read "clarifications"Gary LaPook16 Jan 2014, 05:34
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook15 Jan 2014, 19:08
Re: Index mirror adjustment with offset mirrorGary LaPook15 Jan 2014, 18:54
Re: Off-topic: Recommendation for "Captain Phillips"Gary LaPook15 Jan 2014, 10:52
Re: Patrick O'Brian seriesGary LaPook15 Jan 2014, 05:12
Re: Sextant RepairsGary LaPook15 Jan 2014, 04:51
Re: Need help with HO208Gary LaPook13 Jan 2014, 22:13
Re: Question Re: Position by CalculationGary LaPook13 Jan 2014, 19:01
Re: Question Re: Position by CalculationGary LaPook13 Jan 2014, 18:52
Re: Question Re: Position by CalculationGary LaPook13 Jan 2014, 18:47
Re: Question Re: Position by CalculationGary LaPook13 Jan 2014, 18:38
Re: Need help with HO208Gary LaPook13 Jan 2014, 05:04
Re: Japanese Bygrave slider rule on EbayGary LaPook13 Jan 2014, 02:10
Re: Japanese Bygrave slider rule on EbayGary LaPook11 Jan 2014, 21:51
Re: Screen captures from "All is Lost"Gary LaPook11 Jan 2014, 21:08
Re: Screen captures from "All is Lost"Gary LaPook11 Jan 2014, 20:54
Re: Screen captures from "All is Lost"Gary LaPook11 Jan 2014, 20:21
Re: Screen captures from "All is Lost"Gary LaPook11 Jan 2014, 20:24
Re: What should I expect for a land based sight accuracyGary LaPook10 Jan 2014, 18:51
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 09:08
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 00:07
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:33
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:30
Re: Question Re: Position by CalculationGary LaPook7 Jan 2014, 22:16
Re: Question Re: Position by CalculationGary LaPook7 Jan 2014, 21:56
Re: Question Re: Position by CalculationGary LaPook7 Jan 2014, 17:56
Re: Question Re: Position by CalculationGary LaPook7 Jan 2014, 04:02
Re: Question Re: Position by CalculationGary LaPook7 Jan 2014, 00:51
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 08:26
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:57
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:00
Re: Can you work a Polaris problem just like any other star?Gary LaPook5 Jan 2014, 07:30
Re: Sight Reduction Tables for Small Boat Navigation byHewittSchlerethGary LaPook5 Jan 2014, 07:06
Re: Confirmation of a story I was toldGary LaPook3 Jan 2014, 09:30
Re: Confirmation of a story I was toldGary LaPook3 Jan 2014, 05:16
Re: Measuring Dip in the 18th CenturyGary LaPook1 Jan 2014, 20:23
Fw: My First airborne shotsGary LaPook1 Jan 2014, 09:36
Re: Measuring Dip in the 18th CenturyGary LaPook1 Jan 2014, 08:35
Re: Measuring Dip in the 18th CenturyGary LaPook1 Jan 2014, 08:28
Re: Angular inclination of an interstate highwayGary LaPook31 Dec 2013, 19:44
Re: Angular inclination of an interstate highwayGary LaPook31 Dec 2013, 19:25
Re: Mercury artificial horizonsGary LaPook31 Dec 2013, 06:14
Re: Mercury artificial horizonsGary LaPook31 Dec 2013, 05:47
Re: Getting ready for a spring demo...Gary LaPook30 Dec 2013, 06:01
Re: Getting ready for a spring demo...Gary LaPook29 Dec 2013, 21:30
Re: Measuring Dip in the 18th CenturyGary LaPook28 Dec 2013, 08:08
Re: Non-existent seamount in Google EarthGary LaPook27 Dec 2013, 16:43
Re: In Search of Dip AnomalyGary LaPook27 Dec 2013, 16:14
Re: Non-existent seamount in Google EarthGary LaPook27 Dec 2013, 09:28
Re: Measuring Dip in the 18th CenturyGary LaPook26 Dec 2013, 18:27
Re: Measuring Dip in the 18th CenturyGary LaPook26 Dec 2013, 07:48
Re: Improvised Artificial HorizonGary LaPook24 Dec 2013, 03:13
Re: Measuring Dip in the 18th CenturyGary LaPook21 Dec 2013, 08:31
Re: Measuring Dip in the 18th CenturyGary LaPook20 Dec 2013, 10:48
Re: Recent Additions to Project GutenbergGary LaPook20 Dec 2013, 07:34
Re: A question for the geodisistsGary LaPook19 Dec 2013, 20:56
Re: A question for the geodisistsGary LaPook19 Dec 2013, 11:27
Re: A question for the geodisistsGary LaPook18 Dec 2013, 17:34
Re: A question for the geodisistsGary LaPook18 Dec 2013, 08:15
Re: A question for the geodisistsGary LaPook18 Dec 2013, 07:47
Re: A question for the geodisistsGary LaPook18 Dec 2013, 05:26
Re: A question for the geodisistsGary LaPook18 Dec 2013, 05:25
Re: A question for the geodisistsGary LaPook18 Dec 2013, 00:59
Re: A question for the geodisistsGary LaPook18 Dec 2013, 00:40
A question for the geodisistsGary LaPook17 Dec 2013, 11:01
Re: British Summer Time versus GMTGary LaPook17 Dec 2013, 01:24
Re: OT: Interesting videoGary LaPook16 Dec 2013, 22:56
Re: British Summer Time versus GMTGary LaPook16 Dec 2013, 22:49
Re: British Summer Time versus GMTGary LaPook16 Dec 2013, 18:41
Re: Radio-quiet oceans and emergency navigationGary LaPook16 Dec 2013, 09:36
Re: More comments on movie "All is Lost"Gary LaPook16 Dec 2013, 09:56
Re: British Summer Time versus GMTGary LaPook16 Dec 2013, 09:54
Re: British Summer Time versus GMTGary LaPook13 Dec 2013, 04:28
Re: Forms for SR Ho208 & Ho 249 Vol1Gary LaPook12 Dec 2013, 05:09
Re: Forms for SR Ho208 & Ho 249 Vol1Gary LaPook12 Dec 2013, 04:14
Re: More comments on movie "All is Lost"Gary LaPook9 Dec 2013, 02:47
Re: Bubble sextant parts and calibrationGary LaPook5 Dec 2013, 07:15
Re: Sextant and iPhone on the QM2Gary LaPook5 Dec 2013, 02:38
Re: Sextant and iPhone on the QM2Gary LaPook4 Dec 2013, 19:21
Re: Sight reduction method historyGary LaPook3 Nov 2013, 05:44
Re: Improvised Artificial HorizonGary LaPook22 Oct 2013, 07:41
Re: Celestial NavigationGary LaPook21 Oct 2013, 10:14
Re: Celestial NavigationGary LaPook20 Oct 2013, 18:32
Re: Celestial NavigationGary LaPook19 Oct 2013, 00:03
Celnav in moviesGary LaPook18 Oct 2013, 09:11
Re: An interesting questionGary LaPook12 Oct 2013, 19:39
Re: An interesting questionGary LaPook12 Oct 2013, 19:35
Re: An interesting questionGary LaPook11 Oct 2013, 04:03
Re: Pub.249Gary LaPook3 Oct 2013, 17:18
Re: SunriseGary LaPook25 Sep 2013, 21:51
Re: Kollsman periscopic sextant mountGary LaPook23 Sep 2013, 04:04
Re: Kollsman periscopic sextant mountGary LaPook23 Sep 2013, 03:59
Re: Google Doodle of InterestGary LaPook18 Sep 2013, 21:00
Re: Upper limb correction for moonGary LaPook15 Sep 2013, 17:14
Re: Upper limb correction for moonGary LaPook12 Sep 2013, 16:52
Re: Upper limb correction for moonGary LaPook12 Sep 2013, 08:16
Re: Upper limb correction for moonGary LaPook11 Sep 2013, 21:08
Re: Upper limb correction for moonGary LaPook11 Sep 2013, 08:16
Re: Upper limb correction for moonGary LaPook3 Sep 2013, 07:48
A-5 and A-7 ManualGary LaPook24 Aug 2013, 07:28
Re: Increments and CorrectionsGary LaPook18 Aug 2013, 04:11
Re: Increments and CorrectionsGary LaPook18 Aug 2013, 01:41
Re: Increments and CorrectionsGary LaPook17 Aug 2013, 15:39
Re: Making an artificial horizonGary LaPook16 Aug 2013, 16:51
Re: Making an artificial horizonGary LaPook16 Aug 2013, 05:15
Re: Removing Deviation from the Ship's Magnetic CompassGary LaPook15 Aug 2013, 20:52
Re: Interesting problem from 1828Gary LaPook13 Aug 2013, 05:10
Re: The ultimate navigation watch?Gary LaPook13 Aug 2013, 04:54
Re: The ultimate navigation watch?Gary LaPook13 Aug 2013, 02:38
Re: Spoofing celestial navigationGary LaPook11 Aug 2013, 01:46
Re: Spoofing celestial navigationGary LaPook10 Aug 2013, 16:43
Re: Removing Deviation from the Ship's Magnetic CompassGary LaPook6 Aug 2013, 16:33
Re: 229 and 249Gary LaPook27 Jul 2013, 14:28
Re: Increments and CorrectionsGary LaPook16 Jul 2013, 17:50
Re: Slide rules in moviesGary LaPook16 Jul 2013, 09:11
Sextant mount in B-36Gary LaPook3 Jul 2013, 06:05
Re: A-10 Sextant RestorationGary LaPook28 Jun 2013, 05:47
Re: A-10 Sextant RestorationGary LaPook28 Jun 2013, 05:37
Re: Celestial Flight navigation in KC-135Gary LaPook27 Jun 2013, 06:44
Re: Celestial Flight navigation in KC-135Gary LaPook27 Jun 2013, 05:47
Celestial Flight navigation in KC-135Gary LaPook25 Jun 2013, 10:19
Re: Full moon and ISSGary LaPook25 Jun 2013, 08:41
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook20 Jun 2013, 17:59
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook19 Jun 2013, 15:19
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook19 Jun 2013, 09:50
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook19 Jun 2013, 09:26
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook18 Jun 2013, 08:44
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook17 Jun 2013, 17:34
Re: HO-249 Epoch 2015 pdfGary LaPook17 Jun 2013, 04:56
Re: Watches as chronometersGary LaPook15 Jun 2013, 19:52
Re: Watches as chronometersGary LaPook15 Jun 2013, 19:49
Fw: Re: Watches as chronometers ( accidently sent out the previous)Gary LaPook15 Jun 2013, 17:49
Re: Watches as chronometersGary LaPook15 Jun 2013, 17:34
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook13 Jun 2013, 08:38
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook13 Jun 2013, 08:06
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook13 Jun 2013, 08:01
Re: FAA-H-8083-18 - Flight Navigator HandbookGary LaPook6 Jun 2013, 18:47
Re: Vintage Marine Waypoint Navigator/PlotterGary LaPook2 Jun 2013, 15:47
Re: Watches as chronometersGary LaPook31 May 2013, 21:50
Re: Watches as chronometers (correction)Gary LaPook31 May 2013, 16:19
Re: Watches as chronometers (correction)Gary LaPook31 May 2013, 07:42
Re: Slide rule choice, had been Shooting MercuryGary LaPook31 May 2013, 06:21
Re: Slide rule choice, had been Shooting MercuryGary LaPook31 May 2013, 06:00
Re: Watches as chronometers (correction)Gary LaPook31 May 2013, 05:17
Watches as chronometersGary LaPook31 May 2013, 05:09
Re: Shooting MercuryGary LaPook27 May 2013, 07:40
Shooting MercuryGary LaPook26 May 2013, 06:41
Sunday night sky showGary LaPook26 May 2013, 06:26
Polhemus computers available now on ebayGary LaPook15 May 2013, 03:19
Re: Admiral Byrd and the North PoleGary LaPook11 May 2013, 07:34
Re: Polaris correction tablesGary LaPook7 May 2013, 07:59
Re: Sunrise - the Positive SideGary LaPook7 May 2013, 00:08
Re: Mr. van Asten's method of measuring sunset with a bubble sextantGary LaPook6 May 2013, 23:47
Mr. van Asten's method of measuring sunset with a bubble sextantGary LaPook6 May 2013, 23:31
Re: Sunrise - the Positive SideGary LaPook6 May 2013, 23:23
Re: Sunrise - the Positive SideGary LaPook6 May 2013, 17:07
Re: Sunrise - the Positive SideGary LaPook5 May 2013, 23:08
Re: Scripps Pier, La Jolla, CaliforniaGary LaPook5 May 2013, 20:33
Re: Scripps Pier, La Jolla, CaliforniaGary LaPook5 May 2013, 20:05
Re: Scripps Pier, La Jolla, CaliforniaGary LaPook5 May 2013, 18:59
Re: Scripps Pier, La Jolla, CaliforniaGary LaPook5 May 2013, 18:39
Re: Precomputation- was Sun lines was Moonrise videoGary LaPook5 May 2013, 08:37
Re: Polaris correction tablesGary LaPook5 May 2013, 07:33
Re: Precomputation- was Sun lines was Moonrise videoGary LaPook5 May 2013, 06:48
Re: Polaris correction tablesGary LaPook5 May 2013, 06:35
Re: Precomputation- was Sun lines was Moonrise videoGary LaPook5 May 2013, 05:46
Re: Precomputation- was Sun lines was Moonrise videoGary LaPook4 May 2013, 22:32
Re: Precomputation- was Sun lines was Moonrise videoGary LaPook4 May 2013, 09:22
Re: Sun lines was Moonrise videoGary LaPook4 May 2013, 03:07
Re: Cugle - longitude at sunrise and sunsetGary LaPook4 May 2013, 02:00
Re: Sun lines was Moonrise videoGary LaPook4 May 2013, 01:35
Re: Cugle - longitude at sunrise and sunsetGary LaPook3 May 2013, 08:11
Re: Mr. van AstenGary LaPook3 May 2013, 07:35
Re: Mr. van AstenGary LaPook3 May 2013, 07:32
Re: Mr. van AstenGary LaPook3 May 2013, 07:27
Re: Cugle - longitude at sunrise and sunsetGary LaPook3 May 2013, 06:21
Re: Cugle - longitude at sunrise and sunsetGary LaPook2 May 2013, 10:11
Re: Cugle - longitude at sunrise and sunsetGary LaPook2 May 2013, 09:39
Re: Cugle - longitude at sunrise and sunsetGary LaPook2 May 2013, 09:32
Re: Cugle - longitude at sunrise and sunsetGary LaPook2 May 2013, 08:27
Re: Moonrise videoGary LaPook2 May 2013, 06:37
Re: Moonrise videoGary LaPook2 May 2013, 06:34
Re: Mr. van AstenGary LaPook2 May 2013, 06:29
Re: Mr. van AstenGary LaPook2 May 2013, 06:27
Re: Mr. van AstenGary LaPook2 May 2013, 05:45
Re: Mr. van AstenGary LaPook2 May 2013, 05:04
Re: Mr. van AstenGary LaPook2 May 2013, 04:20
Re: USCG Student Pub 229 Sight Reduction FormGary LaPook2 May 2013, 04:01
Mr. van AstenGary LaPook1 May 2013, 06:32
Re: Cugle - longitude at sunrise and sunsetGary LaPook1 May 2013, 06:17
Re: Moonrise videoGary LaPook1 May 2013, 06:00
Re: Moonrise videoGary LaPook1 May 2013, 05:49
Re: Moonrise videoGary LaPook1 May 2013, 05:46
Re: Cugle - longitude at sunrise and sunsetGary LaPook1 May 2013, 05:32
Re: Moonrise videoGary LaPook1 May 2013, 02:59
Re: Moonrise videoGary LaPook1 May 2013, 02:53
Re: Cugle - longitude at sunrise and sunsetGary LaPook1 May 2013, 02:50
Re: Cugle - longitude at sunrise and sunsetGary LaPook30 Apr 2013, 21:21
Re: Moonrise videoGary LaPook30 Apr 2013, 21:18
Re: Moonrise videoGary LaPook30 Apr 2013, 21:09
Re: Cugle - longitude at sunrise and sunsetGary LaPook30 Apr 2013, 20:33
Re: Moonrise videoGary LaPook30 Apr 2013, 18:49
Re: Moonrise videoGary LaPook30 Apr 2013, 15:47
Re: Moonrise videoGary LaPook30 Apr 2013, 15:17
Re: Moonrise videoGary LaPook29 Apr 2013, 07:15
Re: Moonrise videoGary LaPook29 Apr 2013, 07:08
Re: Moonrise videoGary LaPook25 Apr 2013, 05:25
Re: Moonrise videoGary LaPook24 Apr 2013, 08:15
Re: Moonrise videoGary LaPook21 Apr 2013, 05:24
Re: WrappingGary LaPook14 Apr 2013, 18:27
Re: WrappingGary LaPook14 Apr 2013, 18:26
Re: Text wrapping issuesGary LaPook14 Apr 2013, 18:24
Re: Distance Measurement - Tape vs GoogleGary LaPook12 Apr 2013, 06:14
ProblemGary LaPook10 Apr 2013, 04:43
Re: Text wrapping issuesGary LaPook8 Apr 2013, 08:06
Re: Which Method do you prefer using and why.Gary LaPook7 Apr 2013, 05:37
Re: Which Method do you prefer using and why.Gary LaPook5 Apr 2013, 05:18
Re: Probabilities & Estimations -- A ReviewGary LaPook5 Apr 2013, 04:19
Re: Which Method do you prefer using and why.Gary LaPook5 Apr 2013, 02:17
Re: Which Method do you prefer using and why.Gary LaPook4 Apr 2013, 04:54
Re: Which Method do you prefer using and why.Gary LaPook4 Apr 2013, 04:48
The Human Art of Way FindingGary LaPook2 Apr 2013, 06:31
Re: Geeks [slide] rule!Gary LaPook31 Mar 2013, 05:59
Re: Combine DR and celestial LOPGary LaPook26 Mar 2013, 17:57
Re: US. Navy fix accuracy and Interval.Gary LaPook26 Mar 2013, 14:24
Re: Fix Maximum Probability PositionsGary LaPook25 Mar 2013, 15:21
Re: The Accuracy of Astronomical Observations at SeaGary LaPook24 Mar 2013, 05:29
Re: The Accuracy of Astronomical Observations at SeaGary LaPook24 Mar 2013, 04:52
Re: Fix Maximum Probability PositionsGary LaPook22 Mar 2013, 05:49
Re: Fix Maximum Probability PositionsGary LaPook21 Mar 2013, 17:37
Re: Observing Celestial bodiesGary LaPook20 Mar 2013, 06:29
Re: Lies, damn lies, and statistics...Gary LaPook18 Mar 2013, 21:21
Re: More information about carrying a sextant with radiumGary LaPook17 Mar 2013, 23:07
More information about carrying a sextant with radiumGary LaPook17 Mar 2013, 15:59
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook15 Mar 2013, 15:36
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook14 Mar 2013, 06:33
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 23:00
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 07:06
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 05:42
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 05:10
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 05:01
Re: Advancing LOP's in surface Celnav.Gary LaPook13 Mar 2013, 04:20
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook13 Mar 2013, 04:15
Re: The Darn Old Cocked Hat - the sequel 1Gary LaPook12 Mar 2013, 07:25
Re: Refurbishing A Drift Sight/PelorusGary LaPook12 Mar 2013, 06:52
Re: Lean And Mean Bubble Sextant Sun SightGary LaPook12 Mar 2013, 04:31
Re: Lean And Mean Bubble Sextant Sun SightGary LaPook12 Mar 2013, 04:20
Re: Advancing LOP's in surface Celnav.Gary LaPook10 Mar 2013, 01:27
Re: Advancing LOP's in surface Celnav.Gary LaPook10 Mar 2013, 01:09
Re: Advancing LOP's in surface Celnav.Gary LaPook10 Mar 2013, 00:40
Re: Polhemus ComputerGary LaPook7 Mar 2013, 18:59
Fw: Viking sunstoneGary LaPook6 Mar 2013, 22:15
Re: Open Cockpit Sun Sights ExerciseGary LaPook6 Mar 2013, 22:14
Re: Hat Off To Gary LapookGary LaPook4 Mar 2013, 09:02
Re: Hat Off To Gary LapookGary LaPook4 Mar 2013, 08:36
Re: Hat Off To Gary LapookGary LaPook4 Mar 2013, 06:20
Re: Measuring (and Calculating) DipGary LaPook3 Mar 2013, 20:58
Re: P.V.H. Weems papersGary LaPook28 Feb 2013, 15:25
Re: Self Taught CelestialGary LaPook28 Feb 2013, 08:21
Re: Finally, a reasonable explanation for Earhart's failure to find HowlandGary LaPook26 Feb 2013, 06:05
Re: Finally, a reasonable explanation for Earhart's failure to find HowlandGary LaPook26 Feb 2013, 05:32
Finally, a reasonable explanation for Earhart's failure to find Howland islandGary LaPook21 Feb 2013, 21:56
Video of B-52 navigatorGary LaPook18 Feb 2013, 08:02
Re: Mauritius was: sunrise observation.Gary LaPook18 Feb 2013, 07:50
Very interesting article on NASM exhibit on navigation of Earhart flightGary LaPook15 Feb 2013, 22:40
Re: Primer of Navigation - MixterGary LaPook15 Feb 2013, 08:19
Re: Primer of Navigation - MixterGary LaPook15 Feb 2013, 01:54
Re: Primer of Navigation - MixterGary LaPook15 Feb 2013, 01:48
Re: Primer of Navigation - MixterGary LaPook15 Feb 2013, 01:46
Re: Primer of Navigation - MixterGary LaPook11 Feb 2013, 17:20
Re: HR1 Sliderule locking mechanism questionsGary LaPook11 Feb 2013, 01:51
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:16
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:08
Re: Weems article in latest Air&Space MagGary LaPook1 Feb 2013, 08:39
Re: Bygrave Scale Lengths-HR2 scalesGary LaPook31 Jan 2013, 10:38
Re: Bygrave Scale Lengths-HR2 scalesGary LaPook31 Jan 2013, 10:22
Re: Bygrave Scale LengthsGary LaPook31 Jan 2013, 09:05
Re: Bygrave Scale LengthsGary LaPook31 Jan 2013, 08:59
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 23:33
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 23:21
Re: Weems article in latest Air&Space MagGary LaPook30 Jan 2013, 22:05
Re: F tables - "F-Tafel"Gary LaPook30 Jan 2013, 22:13
Re: Weems article in latest Air&Space MagGary LaPook30 Jan 2013, 21:46
Re: Weems article in latest Air&Space MagGary LaPook30 Jan 2013, 10:05
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 05:41
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 05:37
Re: Weems article in latest Air&Space MagGary LaPook30 Jan 2013, 04:48
Re: Weems article in latest Air&Space MagGary LaPook30 Jan 2013, 04:42
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 08:57
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 08:48
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 05:31
Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2Gary LaPook28 Jan 2013, 06:42
Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2Gary LaPook28 Jan 2013, 00:28
Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRulerGary LaPook27 Jan 2013, 23:33
Re: bubble sextant in U-2Gary LaPook24 Jan 2013, 17:08
Re: bubble sextant in U-2Gary LaPook23 Jan 2013, 16:49
Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRulerGary LaPook23 Jan 2013, 16:25
Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRulerGary LaPook23 Jan 2013, 16:18
Re: THE RAFT BOOK by Gatty on eBayGary LaPook23 Jan 2013, 16:17
Re: Transatlantic on the Royal Clipper and celnavGary LaPook19 Jan 2013, 23:24
Re: NavList in the thin airGary LaPook15 Jan 2013, 11:01
Re: bubble sextant in U-2Gary LaPook13 Jan 2013, 08:14
Re: bubble sextant in U-2Gary LaPook12 Jan 2013, 06:19
Re: bubble sextant in U-2Gary LaPook12 Jan 2013, 05:33
Re: Yet another modified 2102-D star finderGary LaPook10 Jan 2013, 08:28
Re: Measure the Sun's diameterGary LaPook9 Jan 2013, 10:39
Re: Yet another modified 2102-D star finderGary LaPook8 Jan 2013, 10:07
Re: Yet another modified 2102-D star finderGary LaPook8 Jan 2013, 08:01
Re: Standard Deviation QuestionGary LaPook6 Jan 2013, 23:46
Re: Position from a photoGary LaPook27 Dec 2012, 17:23
Re: Weems above 65°Gary LaPook24 Dec 2012, 04:20
Re: Combining of Short Sight Reduction Tables into a Compact VolumeGary LaPook24 Dec 2012, 01:36
Re: Weems above 65°Gary LaPook24 Dec 2012, 01:08
Re: Navlist HeyGary LaPook20 Dec 2012, 02:45
Re: Recovering Time by Time SightGary LaPook18 Dec 2012, 17:27
Re: Precomp NavigationGary LaPook17 Dec 2012, 08:24
Re: Longitude by Time Sight Using a Slide RuleGary LaPook17 Dec 2012, 05:24
Re: Lost at SeaGary LaPook16 Dec 2012, 09:23
Re: Longitude by Time Sight...good enough at sea?Gary LaPook15 Dec 2012, 21:17
Re: Fw: Re: Ix Diagram and Pub 208Gary LaPook13 Dec 2012, 23:02
Re: Lost at SeaGary LaPook12 Dec 2012, 05:47
Re: Ix Diagram and Pub 208Gary LaPook12 Dec 2012, 05:35
Re: Ix Diagram and Pub 208Gary LaPook11 Dec 2012, 22:01
Re: Ix Diagram and Pub 208Gary LaPook11 Dec 2012, 21:57
Fw: Re: Air AlmanacGary LaPook11 Dec 2012, 16:12
Re: Lost at SeaGary LaPook10 Dec 2012, 05:53
Re: 013 Air almanac free to downloadGary LaPook8 Dec 2012, 01:43
Re: NP401 is no more :-(Gary LaPook8 Dec 2012, 01:27
Re: Plotting Sheet Construction by "T" PlotterGary LaPook7 Dec 2012, 11:24
Re: Protractors, was : Z vs ZnGary LaPook7 Dec 2012, 10:03
Re: Bowditch: Distance to visible horizonGary LaPook7 Dec 2012, 01:44
Re: Bowditch: Distance to visible horizonGary LaPook6 Dec 2012, 09:56
Re: Z vs ZnGary LaPook6 Dec 2012, 09:25
Re: Z vs ZnGary LaPook5 Dec 2012, 17:40
Fwd: Go for a sail?Gary LaPook1 Dec 2012, 23:30
Re: Course to steer at a given speed.Gary LaPook29 Nov 2012, 01:48
Re: Course to steer at a given speed.Gary LaPook28 Nov 2012, 12:14
Re: Visit beautiful Sandy Island...Gary LaPook23 Nov 2012, 21:14
Re: ADMIN: NavList needs moneyGary LaPook20 Nov 2012, 23:33
Re: Test your magnetic compass.Gary LaPook16 Nov 2012, 09:19
Re: Bounty Replica Sunk by SandyGary LaPook16 Nov 2012, 02:29
Re: Bounty Replica Sunk by SandyGary LaPook15 Nov 2012, 23:02
Re: Test your magnetic compass.Gary LaPook15 Nov 2012, 17:23
Re: NP303 VOL2 covers 0-49 degree declination? vs. PUB/HO 249 VOL2 0-29 deg dec?Gary LaPook15 Nov 2012, 05:18
Re: NP303 VOL2 covers 0-49 degree declination? vs. PUB/HO 249 VOL2 0-29 deg dec?Gary LaPook15 Nov 2012, 04:49
Re: PolhemusGary LaPook13 Nov 2012, 02:35
Re: PolhemusGary LaPook13 Nov 2012, 02:28
Re: Trans AtlanticGary LaPook11 Nov 2012, 18:43
Re: Trans AtlanticGary LaPook11 Nov 2012, 18:14
Re: Advance LOP of High Speed VesselGary LaPook9 Nov 2012, 10:04
Re: Advance LOP of High Speed VesselGary LaPook9 Nov 2012, 03:27
Re: Advance LOP of High Speed VesselGary LaPook9 Nov 2012, 03:21
Re: Accuracy of backpacking compassGary LaPook8 Nov 2012, 21:07
Re: Star Finder 2102-D Red TemplateGary LaPook8 Nov 2012, 06:29
Re: Accuracy of backpacking compassGary LaPook5 Nov 2012, 16:53
Re: A-5 and A-7 sextant manualGary LaPook3 Oct 2012, 05:30
Re: A-5 and A-7 sextant manualGary LaPook3 Oct 2012, 05:37
Re: A-5 and A-7 sextant manualGary LaPook3 Oct 2012, 05:25
Re: A-5 and A-7 sextant manualGary LaPook3 Oct 2012, 05:11
Re: A-5 and A-7 sextant manualGary LaPook3 Oct 2012, 05:08
Re: Time BallGary LaPook30 Sep 2012, 05:28
Re: stange results from AM and PM sun shotsGary LaPook28 Sep 2012, 07:19
Re: stange results from AM and PM sun shotsGary LaPook27 Sep 2012, 18:18
Re: prices of N.A.Gary LaPook24 Sep 2012, 00:50
Re: prices of N.A.Gary LaPook23 Sep 2012, 17:40
Re: was prices of N.A. now, does anyone use the Air Almanac?Gary LaPook23 Sep 2012, 02:07
Re: prices of N.A.Gary LaPook22 Sep 2012, 21:34
Re: prices of N.A.Gary LaPook22 Sep 2012, 21:26
Prices of N.A.Gary LaPook22 Sep 2012, 03:59
Re: problems with a mirror ah compared to a Davis Artificial HorizonGary LaPook14 Sep 2012, 22:06
Re: Moon shot with artificial horizonGary LaPook3 Sep 2012, 04:23
Re: Moon shot with artificial horizonGary LaPook2 Sep 2012, 20:42
Re: Moon shot with artificial horizonGary LaPook2 Sep 2012, 17:59
Moon shot with artificial horizonGary LaPook2 Sep 2012, 05:38
Re: Finding longitude in the 12th centuryGary LaPook1 Sep 2012, 06:16
Re: Water on board/grogGary LaPook1 Sep 2012, 06:38
Re: Finding longitude in the 12th centuryGary LaPook1 Sep 2012, 04:20
Re: Finding longitude in the 12th centuryGary LaPook31 Aug 2012, 07:48
Re: Earhart discovery?Gary LaPook28 Aug 2012, 22:04
Re: Earhart discovery?Gary LaPook27 Aug 2012, 09:02
Re: Earhart discovery?Gary LaPook27 Aug 2012, 08:07
Re: Earhart discovery?Gary LaPook26 Aug 2012, 09:24
Re: Earhart discovery?Gary LaPook25 Aug 2012, 05:20
Re: Sextant shot accuracyGary LaPook21 Aug 2012, 19:57
Re: Sextant shot accuracyGary LaPook21 Aug 2012, 19:43
Sextant shot accuracyGary LaPook21 Aug 2012, 06:56
Re: Earhart discovery?Gary LaPook21 Aug 2012, 05:04
Re: Earhart discovery?Gary LaPook21 Aug 2012, 05:01
Re: Earhart discovery?Gary LaPook20 Aug 2012, 16:47
Re: Longitude shift on NOAA charts vs. Google EarthGary LaPook14 Aug 2012, 19:07
Re: Longitude shift on NOAA charts vs. Google EarthGary LaPook14 Aug 2012, 17:41
Re: Longitude shift on NOAA charts vs. Google EarthGary LaPook14 Aug 2012, 17:33
Re: NP303 VOL2 covers 0-49 degree declination? vs. PUB/HO 249 VOL2 0-29 deg dec?Gary LaPook12 Aug 2012, 17:22
Equallateral triangleGary LaPook8 Aug 2012, 06:08
Re: Sunset InterceptsGary LaPook4 Aug 2012, 12:09
Re: Abhav sightreduction?Gary LaPook1 Aug 2012, 22:19
Re: Abhav sightreduction?Gary LaPook1 Aug 2012, 16:28
Re: Learn Celestial NavigationGary LaPook20 Jul 2012, 02:32
Re: Emergency NavigationGary LaPook20 Jul 2012, 02:28
Re: response to my question about angles between LOP'sGary LaPook19 Jul 2012, 19:21
Re: Emergency NavigationGary LaPook19 Jul 2012, 04:47
Re: Emergency NavigationGary LaPook18 Jul 2012, 20:45
Re: Emergency NavigationGary LaPook18 Jul 2012, 07:32
Re: pilot chartsGary LaPook18 Jul 2012, 06:40
Re: angles betwqeen lines of positionGary LaPook18 Jul 2012, 05:56
Re: pilot chartsGary LaPook17 Jul 2012, 03:38
Re: Emergency NavigationGary LaPook15 Jul 2012, 20:40
Re: Emergency NavigationGary LaPook15 Jul 2012, 20:44
Re: Emergency NavigationGary LaPook15 Jul 2012, 06:32
Re: Emergency NavigationGary LaPook15 Jul 2012, 01:37
Re: Emergency NavigationGary LaPook14 Jul 2012, 06:22
Re: Emergency Navigation Was: Black boxes in navigation Now:Gary LaPook14 Jul 2012, 06:12
Re: Emergency Navigation Was: Black boxes in navigation Now:Gary LaPook13 Jul 2012, 05:42
Re: Emergency Navigation Was: Black boxes in navigation Now:Gary LaPook13 Jul 2012, 02:48
An astrocompass used in flightGary LaPook2 Jul 2012, 09:10
Pioneer octant used in flightGary LaPook2 Jul 2012, 09:06
Re: Leap second todayGary LaPook2 Jul 2012, 02:46
Re: Leap second todayGary LaPook1 Jul 2012, 23:03
Re: Moon observations in flightGary LaPook1 Jul 2012, 10:03
Re: Leap second todayGary LaPook1 Jul 2012, 00:51
Re: Leap second todayGary LaPook30 Jun 2012, 20:53
Re: Leap second todayGary LaPook30 Jun 2012, 20:52
Re: ADMIN: uploaded/attached file namesGary LaPook30 Jun 2012, 00:44
Moon observations in flightGary LaPook29 Jun 2012, 03:38
Moon observations in flightGary LaPook28 Jun 2012, 20:25
Re: London Science MuseumGary LaPook27 Jun 2012, 08:08
Re: London Science MuseumGary LaPook27 Jun 2012, 01:55
Re: A break in the clouds!Gary LaPook7 Jun 2012, 19:16
Re: A break in the clouds!Gary LaPook6 Jun 2012, 09:23
Transit of venus tomorrow, don't miss it, you won't get another chance.Gary LaPook5 Jun 2012, 04:48
Re: Transit of Venus PicturesGary LaPook24 May 2012, 06:51
Re: partial eclipseGary LaPook24 May 2012, 06:50
Re: Transit of Venus PicturesGary LaPook24 May 2012, 06:46
Re: Transit of Venus PicturesGary LaPook24 May 2012, 01:21
Re: partial eclipseGary LaPook21 May 2012, 16:59
Partial eclipseGary LaPook21 May 2012, 08:05
Re: Accuracy of the Time SightGary LaPook20 May 2012, 19:43
Re: Bowditch long term almanacGary LaPook20 May 2012, 01:15
Re: Sextant 1090 International - Never UsedGary LaPook15 May 2012, 14:28
Re: GPS InterferenceGary LaPook14 May 2012, 23:58
Re: Radioactivity againGary LaPook13 May 2012, 21:11
Radioactivity againGary LaPook13 May 2012, 20:39
Re: MoonriseGary LaPook11 May 2012, 07:37
Re: AN5954 bubble octant by Bausch and LombGary LaPook9 May 2012, 08:10
Re: Longitude by SunsetGary LaPook8 May 2012, 16:55
Re: AN5954 bubble octant by Bausch and LombGary LaPook8 May 2012, 17:11
Re: AN5954 bubble octant by Bausch and LombGary LaPook8 May 2012, 09:20
Re: Longitude by SunsetGary LaPook8 May 2012, 07:52
Re: Instrument for solving spherical trianglesGary LaPook7 May 2012, 04:34
Re: Longitude by SunsetGary LaPook7 May 2012, 02:53
Re: Longitude by SunsetGary LaPook7 May 2012, 00:59
Re: Longitude by SunsetGary LaPook6 May 2012, 20:00
Re: Daytime Venus Rising Dip ShortGary LaPook6 May 2012, 18:58
Re: Longitude by SunsetGary LaPook6 May 2012, 18:46
Re: Daytime Venus Rising Dip ShortGary LaPook6 May 2012, 09:16
Re: Daytime Venus Rising Dip ShortGary LaPook6 May 2012, 09:11
Re: Daytime Venus Rising Dip ShortGary LaPook6 May 2012, 04:59
Re: Pilot avoids collision with VenusGary LaPook6 May 2012, 03:26
Re: Pilot avoids collision with VenusGary LaPook6 May 2012, 00:41
Re: Pilot avoids collision with VenusGary LaPook5 May 2012, 08:35
Re: Daytime Venus Rising Dip ShortGary LaPook5 May 2012, 07:58
Re: Daytime Venus Rising Dip ShortGary LaPook5 May 2012, 07:57
Re: AN5954 bubble octant by Bausch and LombGary LaPook5 May 2012, 07:33
Re: AN5954 bubble octant by Bausch and LombGary LaPook4 May 2012, 22:11
Re: Daytime Venus Rising Dip ShortGary LaPook4 May 2012, 07:48
Re: Navy MK 5 Octant Using Natural HorizonGary LaPook2 May 2012, 21:35
SupermoonGary LaPook1 May 2012, 21:36
Re: Bowditch (2002) Table 17Gary LaPook1 May 2012, 09:46
Re: Bowditch (2002) Table 17Gary LaPook1 May 2012, 06:06
Re: Pilot avoids collision with VenusGary LaPook30 Apr 2012, 21:50
Re: Pilot avoids collision with VenusGary LaPook29 Apr 2012, 10:09
Re: Another sight reduction analog deviceGary LaPook28 Apr 2012, 07:32
Re: Instrument for solving sphericGary LaPook27 Apr 2012, 06:14
Re: Instrument for solving spherical trianglesGary LaPook26 Apr 2012, 06:27
Re: Magne-Plot in-flight plotterGary LaPook26 Apr 2012, 01:30
Re: Mechanical vs. QuartzGary LaPook22 Apr 2012, 18:26
Re: watch faceGary LaPook22 Apr 2012, 18:22
Re: watch faceGary LaPook22 Apr 2012, 06:51
Re: watch faceGary LaPook22 Apr 2012, 06:45
Re: Unistar Principle etc.Gary LaPook21 Apr 2012, 08:49
Re: Pilot avoids collision with VenusGary LaPook19 Apr 2012, 07:21
Re: Pilot avoids collision with VenusGary LaPook19 Apr 2012, 01:04
Re: Pilot avoids collision with VenusGary LaPook18 Apr 2012, 17:25
Re: Pilot avoids collision with VenusGary LaPook18 Apr 2012, 17:20
Re: Pilot avoids collision with VenusGary LaPook18 Apr 2012, 09:36
Re: interesting navigational deviceGary LaPook17 Apr 2012, 05:01
Bygrave at NASMGary LaPook16 Apr 2012, 10:16
Interesting navigational deviceGary LaPook16 Apr 2012, 10:14
Refraction at altitudeGary LaPook16 Apr 2012, 08:17
Re: Newfoundland and the Pilot Chart.Gary LaPook16 Apr 2012, 04:40
Re: Submarines in museums or otherwise preserved.Gary LaPook13 Apr 2012, 18:26
Re: Discussion of subs/INSGary LaPook13 Apr 2012, 09:19
Re: Missile SubsGary LaPook12 Apr 2012, 19:48
Re: Cel Nav and missile submarinesGary LaPook12 Apr 2012, 04:37
Re: Cel Nav and missile submarinesGary LaPook12 Apr 2012, 04:35
Re: Dip-meter againGary LaPook12 Apr 2012, 00:53
Re: Cel Nav and missile submarinesGary LaPook11 Apr 2012, 21:56
Re: Non Electronic Sight ReductionGary LaPook11 Apr 2012, 10:14
Re: Dip-meter againGary LaPook11 Apr 2012, 10:10
Re: Cel Nav and missile submarinesGary LaPook11 Apr 2012, 09:48
Re: Cel Nav and missile submarinesGary LaPook11 Apr 2012, 09:34
Re: NA sight reduction tables - a considered response from NavList to the NA office?Gary LaPook10 Apr 2012, 21:10
Re: Dip-meter againGary LaPook10 Apr 2012, 21:23
Re: Dip-meter againGary LaPook10 Apr 2012, 21:12
Re: Dip-meter againGary LaPook10 Apr 2012, 19:42
Re: Dip-meter againGary LaPook10 Apr 2012, 19:47
Re: Dip-meter againGary LaPook10 Apr 2012, 19:36
Re: Talking to "Official" Authorities [was] Re: NA sight reduction tables ...///...Gary LaPook10 Apr 2012, 09:58
Re: Why are NA sight reduction tables notGary LaPook9 Apr 2012, 22:26
Re: Hacked emailGary LaPook9 Apr 2012, 21:55
Re: Dip-meter againGary LaPook9 Apr 2012, 10:55
Re: Why are NA sight reduction tables not popular?Gary LaPook9 Apr 2012, 08:29
Re: Why are NA sight reduction tables not popular?Gary LaPook9 Apr 2012, 08:47
Re: Why are NA sight reduction tables not popular?Gary LaPook9 Apr 2012, 08:41
Re: Why are NA sight reduction tables notGary LaPook9 Apr 2012, 07:38
Re: Why are NA sight reduction tables not popular?Gary LaPook8 Apr 2012, 22:50
Re: Why are NA sight reduction tables not popular?Gary LaPook8 Apr 2012, 22:17
Re: slide rule sight reduction accuracyGary LaPook8 Apr 2012, 21:27
Re: slide rule sight reduction accuracyGary LaPook8 Apr 2012, 21:18
Re: Why are NA sight reduction tables notGary LaPook8 Apr 2012, 21:16
Re: Why are NA sight reduction tables notGary LaPook8 Apr 2012, 18:36
Re: GPS InterferenceGary LaPook6 Apr 2012, 09:20
Re: A basic sight reduction questionGary LaPook4 Apr 2012, 21:03
Re: A basic sight reduction questionGary LaPook4 Apr 2012, 20:53
Re: A basic sight reduction questionGary LaPook4 Apr 2012, 16:44
Re: Dip-meter againGary LaPook29 Mar 2012, 08:35
Re: Dip-meter againGary LaPook29 Mar 2012, 05:21
Re: problems with artifical horizonsGary LaPook20 Mar 2012, 21:30
Re: problems with artifical horizonsGary LaPook20 Mar 2012, 21:22
Re: Extremely poor conditions??Gary LaPook20 Mar 2012, 14:34
Re: Online sight reduction and a question to FrankGary LaPook19 Mar 2012, 22:30
Re: Corrections for use of artificial horizon at 1,000' MSL?Gary LaPook14 Mar 2012, 00:57
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook13 Mar 2012, 16:58
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook13 Mar 2012, 11:57
Re: Corrections for use of artificial horizon at 1,000' MSL?Gary LaPook13 Mar 2012, 09:44
Re: The Navigation FoundationGary LaPook13 Mar 2012, 09:34
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook13 Mar 2012, 09:32
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook13 Mar 2012, 09:26
Re: CN Aboard Commercial FlightGary LaPook12 Mar 2012, 01:09
Re: Sextant Vernier Scale (correction)Gary LaPook10 Mar 2012, 01:51
Re: Sextant Vernier ScaleGary LaPook10 Mar 2012, 01:40
Re: About time - AntarcticaGary LaPook6 Mar 2012, 05:43
Re: About time - AntarcticaGary LaPook6 Mar 2012, 02:38
Re: About time - AntarcticaGary LaPook5 Mar 2012, 22:57
Re: About time - AntarcticaGary LaPook5 Mar 2012, 17:53
Re: About time - AntarcticaGary LaPook5 Mar 2012, 17:27
Re: Radio Clock or Internet GMT - which should I believe?Gary LaPook3 Mar 2012, 01:16
Re: Gary LaPook's Digital Watch ExperimentGary LaPook1 Mar 2012, 03:06
Re: GPS InterferenceGary LaPook28 Feb 2012, 20:43
Re: MHR1 replica and is my GPS wrong?Gary LaPook28 Feb 2012, 08:17
Re: Box Sextant and "Natural Tangents to a Base of 100"?Gary LaPook20 Feb 2012, 23:03
Re: Graphic methodGary LaPook17 Feb 2012, 22:15
Re: What Watch Features for Celestial Navigation?Gary LaPook17 Feb 2012, 08:00
Re: What Watch Features for Celestial Navigation?Gary LaPook17 Feb 2012, 07:51
Re: Mean Solar into Sidereal TimeGary LaPook17 Feb 2012, 06:10
Re: Home made level vial observation resultsGary LaPook14 Feb 2012, 04:58
Re: Compass directions and "North by Northwest"Gary LaPook13 Feb 2012, 17:42
Re: WW II TM 1-206 Technical Manual (Celestial Air Navigation) on EBayGary LaPook12 Feb 2012, 23:12
Re: Mechanical Maneuvering Board instructionsGary LaPook12 Feb 2012, 04:01
Re: Mechanical Maneuvering Board instructionsGary LaPook12 Feb 2012, 00:42
Re: Mechanical Maneuvering Board instructionsGary LaPook11 Feb 2012, 21:55
Re: Mechanical Maneuvering Board instructionsGary LaPook11 Feb 2012, 09:44
Re: What Watch Features for Celestial Navigation?Gary LaPook10 Feb 2012, 08:32
Re: A credible AIS track for the Costa ConcordiaGary LaPook24 Jan 2012, 18:02
Re: Astro compass Mk11 - 6A/1174Gary LaPook22 Jan 2012, 08:58
Re: Looking but not seeingGary LaPook21 Jan 2012, 19:35
Re: CN Aboard Commercial FlightGary LaPook18 Jan 2012, 07:34
Re: Turkish AIS Data--It appears the ship did pass between thetwo rocksGary LaPook16 Jan 2012, 17:32
Re: on orientation of an artificial horizonGary LaPook11 Jan 2012, 06:40
Re: Having troubleGary LaPook9 Jan 2012, 10:24
Re: Closest point of approach.Gary LaPook3 Jan 2012, 11:49
Re: Closest point of approach.Gary LaPook3 Jan 2012, 10:50
Re: Closest point of approach.Gary LaPook3 Jan 2012, 01:03
Re: Admin: text-only messages, annual indexes, author-specific indexes, and moreGary LaPook2 Jan 2012, 07:17
Re: 2012Gary LaPook1 Jan 2012, 19:03
Re: George HuxtableGary LaPook1 Jan 2012, 06:04
Re: Re George HuxtableGary LaPook1 Jan 2012, 07:27
Re: George HuxtableGary LaPook1 Jan 2012, 06:37
That pesky datline againGary LaPook29 Dec 2011, 20:03
Re: T-PlotterGary LaPook29 Dec 2011, 07:00
Re: Closest point of approach.Gary LaPook27 Dec 2011, 09:11
Fw: More on GPS vulnerabilitiesGary LaPook17 Dec 2011, 01:52
Re: Position discrepancyGary LaPook14 Dec 2011, 01:39
Re: Position discrepancyGary LaPook14 Dec 2011, 01:16
Re: Position discepancyGary LaPook13 Dec 2011, 22:04
Re: Position discepancyGary LaPook13 Dec 2011, 21:00
Re: Commercial Flight CNGary LaPook11 Dec 2011, 23:18
Re: re recent posts on the slide ruleGary LaPook5 Dec 2011, 23:13
Re: Sight reduction formulaeGary LaPook1 Dec 2011, 23:34
Re: A celestial navigation problemGary LaPook30 Nov 2011, 17:14
Re: A celestial navigation problemGary LaPook29 Nov 2011, 07:13
Re: A celestial navigation problemGary LaPook29 Nov 2011, 03:23
Re: AN-5851-1 RepairGary LaPook28 Nov 2011, 18:27
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 08:53
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 08:44
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 07:49
Re: recommendation for slide rule ?Gary LaPook26 Nov 2011, 05:10
Re: Selection of slide rules, compendium of messagesGary LaPook24 Nov 2011, 21:21
Re: underwater lightning?Gary LaPook24 Nov 2011, 18:23
Selection of slide rules, compendium of messagesGary LaPook24 Nov 2011, 06:36
Re: Polhemus computers available at e-bay nowGary LaPook18 Nov 2011, 21:04
Re: Polhemus computers available at e-bay nowGary LaPook18 Nov 2011, 04:34
Polhemus computers available at e-bay nowGary LaPook17 Nov 2011, 22:10
Re: 2012 nautical almanacGary LaPook17 Nov 2011, 21:59
Re: A celestial navigation problemGary LaPook17 Nov 2011, 19:15
Re: A celestial navigation problemGary LaPook17 Nov 2011, 19:08
Re: A celestial navigation problemGary LaPook17 Nov 2011, 18:52
Re: A celestial navigation problemGary LaPook17 Nov 2011, 09:18
Re: set and drift....againGary LaPook12 Nov 2011, 18:13
Re: set and drift....againGary LaPook12 Nov 2011, 18:07
Re: set and drift....againGary LaPook12 Nov 2011, 00:38
Re: set and drift....againGary LaPook12 Nov 2011, 00:34
Re: Set and driftGary LaPook9 Nov 2011, 09:10
Re: Set and driftGary LaPook6 Nov 2011, 19:39
Re: Set and driftGary LaPook6 Nov 2011, 07:01
Re: Set and driftGary LaPook6 Nov 2011, 06:51
Re: Two mirror a.h.Gary LaPook3 Nov 2011, 00:42
Re: The time zone of GreenwichGary LaPook31 Oct 2011, 01:51
Re: The time zone of GreenwichGary LaPook30 Oct 2011, 20:24
Re: The time zone of GreenwichGary LaPook30 Oct 2011, 20:06
Time zone map websiteGary LaPook30 Oct 2011, 02:05
Re: Two mirror a.h.Gary LaPook27 Oct 2011, 06:04
Re: Marean-Kielhorn DirectorGary LaPook27 Oct 2011, 00:29
Re: Time zone confusionGary LaPook25 Oct 2011, 21:53
Re: GPS InterferenceGary LaPook19 Oct 2011, 05:33
Date line changesGary LaPook15 Oct 2011, 20:07
Ditching at seaGary LaPook15 Oct 2011, 05:52
Re: Horizon filters not dark enough for a.h.Gary LaPook14 Oct 2011, 17:35
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 23:16
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 22:21
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 22:19
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 22:17
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 22:03
Re: The new guy on the horizon...Gary LaPook10 Oct 2011, 21:52
Re: Hello againGary LaPook10 Oct 2011, 03:46
Watches as chronometersGary LaPook9 Oct 2011, 06:12
Re: Hello againGary LaPook8 Oct 2011, 17:41
Uploaded documents from LaPookGary LaPook8 Oct 2011, 17:01
Re: Document available on this websiteGary LaPook8 Oct 2011, 04:56
Re: Use of AH for professional navigationGary LaPook6 Oct 2011, 18:35
Re: Document available on this websiteGary LaPook6 Oct 2011, 09:52
Document available on this websiteGary LaPook6 Oct 2011, 09:17
Re: Use of AH for professional navigationGary LaPook6 Oct 2011, 09:12
Re: Use of AH for professional navigationGary LaPook6 Oct 2011, 07:53
Re: Use of AH for professional navigationGary LaPook6 Oct 2011, 06:17
Re: Home made artificial horizonGary LaPook5 Oct 2011, 20:16
Re: Hello PolhemusGary LaPook5 Oct 2011, 20:54
Re: Home made artificial horizonGary LaPook5 Oct 2011, 20:31
Re: Home made artificial horizonGary LaPook5 Oct 2011, 20:21
Re: Home made artificial horizonGary LaPook5 Oct 2011, 20:11
Re: Home made artificial horizonGary LaPook5 Oct 2011, 15:57
Re: Home made artificial horizonGary LaPook5 Oct 2011, 05:45
Re: Home made artificial horizonGary LaPook5 Oct 2011, 03:47
Re: Home made artificial horizonGary LaPook5 Oct 2011, 03:00
Re: Home made artificial horizonGary LaPook5 Oct 2011, 01:47
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:59
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:56
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:49
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:46
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:38
Re: Home made artificial horizonGary LaPook4 Oct 2011, 22:14
Re: Home made artificial horizonGary LaPook4 Oct 2011, 20:15
Re: Home made artificial horizonGary LaPook4 Oct 2011, 17:31
Re: Home made artificial horizonGary LaPook4 Oct 2011, 17:17
Re: Home made artificial horizonGary LaPook4 Oct 2011, 05:29
Re: Home made artificial horizonGary LaPook4 Oct 2011, 02:49
Re: Home made artificial horizonGary LaPook3 Oct 2011, 16:39
Re: Home made artificial horizonGary LaPook3 Oct 2011, 10:55
Test 3Gary LaPook3 Oct 2011, 02:04
Re: Home made artificial horizonGary LaPook2 Oct 2011, 03:23
Re: Home made artificial horizonGary LaPook2 Oct 2011, 00:30
Re: Home made artificial horizonGary LaPook1 Oct 2011, 04:21
Re: Home made artificial horizonGary LaPook29 Sep 2011, 18:11
Re: GPS InterferenceGary LaPook29 Sep 2011, 17:31
Re: GPS InterferenceGary LaPook28 Sep 2011, 01:06
Re: Accuracy and sources of timeGary LaPook28 Sep 2011, 00:43
Re: GPS InterferenceGary LaPook18 Sep 2011, 22:20
Re: GPS InterferenceGary LaPook18 Sep 2011, 18:30
Re: GPS InterferenceGary LaPook18 Sep 2011, 07:50
Re: GPS InterferenceGary LaPook17 Sep 2011, 17:22
Re: GPS InterferenceGary LaPook17 Sep 2011, 17:08
Re: GPS InterferenceGary LaPook17 Sep 2011, 05:27
Re: GPS InterferenceGary LaPook16 Sep 2011, 15:47
Re: GPS InterferenceGary LaPook16 Sep 2011, 07:24
Re: GPS InterferenceGary LaPook15 Sep 2011, 21:09
Re: GPS InterferenceGary LaPook15 Sep 2011, 19:43
Re: Navigation in the Royal NavyGary LaPook15 Sep 2011, 18:41
Re: Navigation in the Royal NavyGary LaPook15 Sep 2011, 18:38
Polhemus computer now on Ebay, starting bid, $15Gary LaPook13 Sep 2011, 21:46
Re: Dropping leap seconds and the impact on celestial navigationGary LaPook11 Sep 2011, 08:48
Re: When is the Autumnal Equinox?Gary LaPook3 Sep 2011, 17:52
Kollsman sextant mountGary LaPook30 Aug 2011, 06:48
Kollsman periscopic sextant mountGary LaPook19 Aug 2011, 02:00
Re: Radler de Aquino and Arthur A. AgetonGary LaPook17 Aug 2011, 08:47
Re: Sextant-on-stick?Gary LaPook13 Aug 2011, 17:58
Re: Using the 2102-D for presetting the sextant.Gary LaPook4 Aug 2011, 17:38
Re: Kollsman periscopic sextant mount AFNOA has 5 models of D-1Gary LaPook4 Aug 2011, 09:41
Using the 2102-D for presetting the sextant.Gary LaPook4 Aug 2011, 09:17
Re: Increased dip for "Nearer" Horizon or Level LineGary LaPook27 Jul 2011, 06:20
Re: Personal note from George: with - Re: When did "timesights" fade away?Gary LaPook25 Jul 2011, 06:00
Re: solutions/explainations for the following would be appreciatredGary LaPook25 Jul 2011, 04:54
Re: When did "time sights" fade away?Gary LaPook21 Jul 2011, 17:26
Re: When did "time sights" fade away?Gary LaPook19 Jul 2011, 07:19
Re: When did "time sights" fade away?Gary LaPook19 Jul 2011, 06:40
Re: When did "time sights" fade away?Gary LaPook17 Jul 2011, 07:30
Re: Sextant and Sun Dial on TV's White CollarGary LaPook17 Jul 2011, 06:21
Re: Sextant and Sun Dial on TV's White CollarGary LaPook17 Jul 2011, 06:18
Re: When did "time sights" fade away?Gary LaPook16 Jul 2011, 07:08
Re: When did "time sights" fade away?Gary LaPook16 Jul 2011, 05:32
Re: GPS InterferenceGary LaPook15 Jul 2011, 00:58
Re: When did "time sights" fade away?Gary LaPook12 Jul 2011, 08:00
Re: International Date Line --invented by SchedlerGary LaPook7 Jul 2011, 22:42
Re: Small Craft CN Using Hp GraphGary LaPook30 Jun 2011, 18:25
Re: Comparison of tabular sight reduction methodsGary LaPook30 Jun 2011, 17:06
Re: Comparison of tabular sight reduction methodsGary LaPook30 Jun 2011, 00:51
Comparison of tabular sight reduction methodsGary LaPook28 Jun 2011, 22:46
H.O. 218 evaluationGary LaPook27 Jun 2011, 20:24
Re: Moonrise on June 17-19Gary LaPook27 Jun 2011, 02:39
Re: Moonrise on June 17-19Gary LaPook27 Jun 2011, 02:13
Re: Preserving Hs and Time with CameraGary LaPook25 Jun 2011, 19:44
Re: Need dip-throw a rock?Gary LaPook23 Jun 2011, 00:36
Re: Need dip-throw a rock?Gary LaPook23 Jun 2011, 00:29
Re: Need dip-throw a rock?Gary LaPook21 Jun 2011, 01:12
Re: Need dip-throw a rock?Gary LaPook21 Jun 2011, 01:11
Re: Jack Aubrey's fixing of longitudeGary LaPook20 Jun 2011, 05:39
Re: A 10 A manualGary LaPook20 Jun 2011, 01:27
Re: Jack Aubrey's fixing of longitudeGary LaPook19 Jun 2011, 21:54
Re: Jack Aubrey's fixing of longitudeGary LaPook19 Jun 2011, 19:57
Re: A Voyage in Southern SeasGary LaPook14 Jun 2011, 17:14
Re: A Voyage in Southern SeasGary LaPook13 Jun 2011, 06:04
Re: Warner Plotter ComputerGary LaPook8 Jun 2011, 07:07
Re: Wonderful Lunar Method by Sir F. Chichester addressed here before ?Gary LaPook7 Jun 2011, 17:06
Re: Kollsman periscopic sextant mountGary LaPook6 Jun 2011, 07:23
Re: Another rhumb line puzzleGary LaPook6 Jun 2011, 04:25
Re: Another rhumb line puzzleGary LaPook6 Jun 2011, 03:13
Re: Another rhumb line puzzleGary LaPook6 Jun 2011, 02:02
Re: Another rhumb line puzzleGary LaPook5 Jun 2011, 21:41
Re: Another rhumb line puzzleGary LaPook5 Jun 2011, 19:31
Re: Mileage of rhumb line compared to mileage of great circleGary LaPook5 Jun 2011, 19:00
Re: Mileage of rhumb line compared to mileage of great circleGary LaPook5 Jun 2011, 03:02
Re: GPS puzzleGary LaPook5 Jun 2011, 03:27
Re: GPS puzzleGary LaPook5 Jun 2011, 03:22
Re: GPS puzzleGary LaPook5 Jun 2011, 03:15
Re: GPS puzzleGary LaPook4 Jun 2011, 20:49
Re: Mileage of rhumb line compared to mileage of great circleGary LaPook4 Jun 2011, 03:55
Re: Mileage of rhumb line compared to mileage of great circleGary LaPook4 Jun 2011, 03:32
Mileage of rhumb line compared to mileage of great circleGary LaPook3 Jun 2011, 23:23
Re: Hello PolhemusGary LaPook1 Jun 2011, 18:32
Re: a question of time or timesGary LaPook30 May 2011, 08:52
Re: Latitude Sailing QuestionGary LaPook29 May 2011, 22:46
Re: a question of time or timesGary LaPook29 May 2011, 22:20
Re: a question of time or timesGary LaPook29 May 2011, 22:19
Test message via emailGary LaPook27 May 2011, 21:45
Fw: Shooting Polaris with a bubble sextantGary LaPook27 May 2011, 21:44
Test no messages in two daysGary LaPook27 May 2011, 19:25
Alternate theories on Noonan's navigationGary LaPook25 May 2011, 10:12
Timing sextant sightsGary LaPook25 May 2011, 08:21
Timing sextant sightsGary LaPook25 May 2011, 08:12
Re: Kollsman periscopic sextant mountGary LaPook24 May 2011, 07:47
Re: Kollsman periscopic sextant mountGary LaPook22 May 2011, 01:14
Re: Kollsman periscopic sextant mountGary LaPook21 May 2011, 21:24
Re: Kollsman periscopic sextant mountGary LaPook21 May 2011, 20:51
Re: Flip-Flop MethodGary LaPook19 May 2011, 17:49
Re: Flip-Flop MethodGary LaPook19 May 2011, 08:35
Re: Practical difficultiesGary LaPook16 May 2011, 22:04
Re: Practical difficultiesGary LaPook16 May 2011, 15:45
Re: Practical difficultiesGary LaPook16 May 2011, 06:38
Re: Practical difficultiesGary LaPook16 May 2011, 06:20
Re: Practical difficultiesGary LaPook15 May 2011, 17:26
Re: Practical difficultiesGary LaPook14 May 2011, 07:37
Re: Practical difficultiesGary LaPook14 May 2011, 00:43
Re: A celestial navigation mystery.Gary LaPook11 May 2011, 08:52
Re: sextant mirror adjustmentGary LaPook10 May 2011, 04:53
A celestial navigation mystery.Gary LaPook9 May 2011, 08:06
Re: Operation of A-7 bubble sextantGary LaPook9 May 2011, 05:48
Re: Operation of A-7 bubble sextantGary LaPook9 May 2011, 05:40
A-6 A-8 manualGary LaPook9 May 2011, 05:22
A-5 and A-7 sextant manualGary LaPook9 May 2011, 05:18
Re: Operation of A-7 bubble sextantGary LaPook8 May 2011, 17:44
Re: Operation of A-7 bubble sextantGary LaPook5 May 2011, 18:54
Test flight with A-7 bubble sextant to investigate accuracy on Noonan'snavigation on Earhart flightGary LaPook5 May 2011, 09:54
Re: HelloGary LaPook4 May 2011, 20:14
Operation of A-7 bubble sextantGary LaPook4 May 2011, 20:12
Re: HelloGary LaPook4 May 2011, 07:27
Re: HelloGary LaPook4 May 2011, 00:06
Re: HelloGary LaPook3 May 2011, 23:37
Re: HelloGary LaPook3 May 2011, 23:29
Re: HelloGary LaPook3 May 2011, 23:25
Re: HelloGary LaPook3 May 2011, 07:06
A-7 bubble sextantGary LaPook2 May 2011, 19:58
Polhemus celestial computerGary LaPook2 May 2011, 19:56
Re: HelloGary LaPook2 May 2011, 19:50
Re: HelloGary LaPook2 May 2011, 19:12
Re: HelloGary LaPook2 May 2011, 19:08
Re: HelloGary LaPook2 May 2011, 17:10
Re: Kollsman periscopic sextant mountGary LaPook2 May 2011, 16:59
Re: HelloGary LaPook1 May 2011, 10:33
Rust diagram for determining azimuthGary LaPook30 Apr 2011, 02:04
Re: Graphical method by Favet / de 'LisleGary LaPook29 Apr 2011, 18:12
Re: Graphical method by Favet / de 'LisleGary LaPook29 Apr 2011, 16:20
Re: Graphical method by Favet / de 'LisleGary LaPook29 Apr 2011, 16:11
Re: Earhart's Plane - Search For?Gary LaPook27 Apr 2011, 06:41
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 05:50
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 05:37
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 02:00
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 01:57
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 01:39
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 01:29
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 01:00
Re: Earhart's Plane - Search For?Gary LaPook26 Apr 2011, 00:58
Re: Whole horizon mirror commentsGary LaPook25 Apr 2011, 21:49
Re: Earhart's Plane - Search For?Gary LaPook25 Apr 2011, 17:00
Re: Whole Horizon MirrorsGary LaPook24 Apr 2011, 19:44
Re: Graphical method by Favé / de l'IsleGary LaPook24 Apr 2011, 04:05
Re: Graphical method by Favé / de l'IsleGary LaPook20 Apr 2011, 23:45
Re: Graphical method by Favet / de 'LisleGary LaPook19 Apr 2011, 19:03
Re: Graphical method by Favet / de 'LisleGary LaPook19 Apr 2011, 18:58
Re: Graphical method by Favet / de 'LisleGary LaPook19 Apr 2011, 07:30
A copy of Wright's "Certain Errors" is now available for purchase.Gary LaPook14 Apr 2011, 22:22
Re: MHR1 reproductionGary LaPook10 Apr 2011, 05:54
Re: MHR1 reproductionGary LaPook10 Apr 2011, 05:39
Re: TV show features A-7 bubble octantGary LaPook10 Apr 2011, 05:21
Re: Sextants and Airport SecurityGary LaPook9 Apr 2011, 01:09
Re: Sextants and Airport SecurityGary LaPook8 Apr 2011, 18:59
Re: Sextants and Airport SecurityGary LaPook8 Apr 2011, 05:50
Re: Sextants and Airport SecurityGary LaPook8 Apr 2011, 00:40
Re: Sextants and Airport SecurityGary LaPook8 Apr 2011, 00:37
Re: Publication date of H.O 229Gary LaPook26 Mar 2011, 16:37
Publication date of H.O 229Gary LaPook26 Mar 2011, 07:19
Watches as chronometersGary LaPook25 Mar 2011, 08:44
Re: Evaluation of H.O. 218Gary LaPook25 Mar 2011, 06:33
Re: Evaluation of H.O. 218Gary LaPook25 Mar 2011, 05:25
Re: Evaluation of H.O. 218Gary LaPook25 Mar 2011, 04:58
Re: mirror horizonGary LaPook24 Mar 2011, 23:29
Re: H.O. 229/249: publication datesGary LaPook24 Mar 2011, 20:42
Re: H.O. 229/249: publication datesGary LaPook24 Mar 2011, 20:19
Re: H.O. 229/249: publication datesGary LaPook24 Mar 2011, 20:07
Re: H.O. 229/249: publication datesGary LaPook24 Mar 2011, 18:44
Re: Did the International Date Line cause the loss of AmeliaEarhart?Gary LaPook24 Mar 2011, 05:15
Re: mirror horizonGary LaPook24 Mar 2011, 02:11
Re: Evaluation of H.O. 218Gary LaPook23 Mar 2011, 09:57
Re: Did the International Date Line cause the loss of AmeliaEarhart?Gary LaPook22 Mar 2011, 10:19
Did the International Date Line cause the loss of Amelia Earhart?Gary LaPook22 Mar 2011, 04:40
Re: PeacockGary LaPook21 Mar 2011, 19:29
Re: PeacockGary LaPook21 Mar 2011, 09:47
Re: PeacockGary LaPook21 Mar 2011, 02:32
Re: NavList zone decriptionsGary LaPook20 Mar 2011, 18:29
Re: PeacockGary LaPook20 Mar 2011, 18:17
Re: Iodide:Gary LaPook20 Mar 2011, 08:45
Re: Iodide:Gary LaPook20 Mar 2011, 04:24
Re: Iodide:Gary LaPook20 Mar 2011, 01:47
Re: Iodide:Gary LaPook20 Mar 2011, 01:35
Re: Iodide:Gary LaPook20 Mar 2011, 01:15
Re: NavList zone decriptionsGary LaPook19 Mar 2011, 00:56
Re: NavList zone decriptionsGary LaPook18 Mar 2011, 18:56
Re: Comparison of sight reduction tablesGary LaPook17 Mar 2011, 00:44
Re: Evaluation of H.O. 218Gary LaPook16 Mar 2011, 20:16
Comparison of sight reduction tablesGary LaPook16 Mar 2011, 20:12
Re: Evaluation of H.O. 218Gary LaPook16 Mar 2011, 08:43
Re: Evaluation of H.O. 218Gary LaPook16 Mar 2011, 08:05
Re: Evaluation of H.O. 218Gary LaPook16 Mar 2011, 06:02
Re: Evaluation of H.O. 218Gary LaPook16 Mar 2011, 05:56
Re: Evaluation of H.O. 218Gary LaPook15 Mar 2011, 19:33
PeacockGary LaPook15 Mar 2011, 18:16
Re: Evaluation of H.O. 218Gary LaPook15 Mar 2011, 11:05
Re: Japan earthquake speeds earth's rotationGary LaPook15 Mar 2011, 10:58
Re: Teaching the discovery of the longitudeGary LaPook15 Mar 2011, 10:53
Re: Amelia Earhart ReportGary LaPook15 Mar 2011, 10:51
Re: Charting of Japanese Mandated Islands in reference toEarhartGary LaPook15 Mar 2011, 10:48
Re: Evaluation of H.O. 218Gary LaPook15 Mar 2011, 10:38
Re: Evaluation of H.O. 218Gary LaPook15 Mar 2011, 07:30
Re: Evaluation of H.O. 218Gary LaPook14 Mar 2011, 19:36
Re: Evaluation of H.O. 218Gary LaPook14 Mar 2011, 19:28
Re: Mary Blewitt vs M.J. Rantzen CORRECTION to correctionGary LaPook14 Mar 2011, 19:27
Re: Japan earthquake speeds earth's rotationGary LaPook14 Mar 2011, 18:17
Re: MHR1 reproductionGary LaPook14 Mar 2011, 06:42
Evaluation of H.O. 218Gary LaPook14 Mar 2011, 06:20
Re: Mary Blewitt vs M.J. Rantzen CORRECTION to correctionGary LaPook14 Mar 2011, 05:37
Re: Mary Blewitt vs M.J. Rantzen CORRECTIONGary LaPook14 Mar 2011, 00:54
Re: Mary Blewitt vs M.J. RantzenGary LaPook14 Mar 2011, 00:43
Re: Mary Blewitt vs M.J. RantzenGary LaPook13 Mar 2011, 23:09
Over reliance on GPSGary LaPook8 Mar 2011, 18:18
Re: Amelia Earhart ReportGary LaPook7 Mar 2011, 01:40
Re: Fw: Re: Sextant used on Graf ZeppelinGary LaPook5 Mar 2011, 09:19
Re: Charting of Japanese Mandated Islands in reference to EarhartGary LaPook5 Mar 2011, 08:23
Fw: Re: Sextant used on Graf ZeppelinGary LaPook5 Mar 2011, 08:13
Re: Amelia Earhart ReportGary LaPook5 Mar 2011, 08:10
Re: Amelia Earhart ReportGary LaPook4 Mar 2011, 20:59
Re: Sextant used on Graf ZeppelinGary LaPook4 Mar 2011, 20:49
Re: Sextant used on Graf ZeppelinGary LaPook4 Mar 2011, 20:40
Re: Sextant used on Graf ZeppelinGary LaPook4 Mar 2011, 19:44
Re: Amelia Earhart ReportGary LaPook4 Mar 2011, 06:49
Re: Amelia Earhart ReportGary LaPook3 Mar 2011, 23:51
Re: Amelia Earhart ReportGary LaPook3 Mar 2011, 22:58
Re: Amelia Earhart ReportGary LaPook3 Mar 2011, 22:27
Re: Amelia Earhart ReportGary LaPook3 Mar 2011, 22:24
Re: Amelia Earhart Report--pdf formatGary LaPook3 Mar 2011, 22:14
Re: Amelia Earhart ReportGary LaPook3 Mar 2011, 20:26
Re: Omega from Intrepid.Gary LaPook1 Mar 2011, 07:51
OMEGAGary LaPook28 Feb 2011, 21:40
Charting of Japanese Mandated Islands in reference to EarhartGary LaPook25 Feb 2011, 11:21
Re: 30 minute HO229 errorGary LaPook24 Feb 2011, 07:48
Re: A sextant calibratorGary LaPook23 Feb 2011, 09:59
Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 20:39
Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 20:22
Fw: Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 22:58
Fw: Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 22:57
Re: A sextant calibratorGary LaPook13 Feb 2011, 22:52
Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 18:49
Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 18:43
Navigation to Dakar, some additional thoughtsGary LaPook13 Feb 2011, 10:15
Re: Online Nautical AlmanacGary LaPook13 Feb 2011, 07:48
Fw: Re: [earhart] Navigation to Dakar, fourth attempt [1 Attachment]Gary LaPook13 Feb 2011, 01:31
Earhart and Noonan's navigation to DakarGary LaPook12 Feb 2011, 08:55
RatiometerGary LaPook9 Feb 2011, 02:51
Re: TV show features A-7 bubble octantGary LaPook8 Feb 2011, 20:52
Re: 2011 Nautical AlmanacGary LaPook8 Feb 2011, 18:32
Introducing sight reduction tables by use of the traditional noon sightGary LaPook8 Feb 2011, 09:37
Re: Ice on the oceanGary LaPook8 Feb 2011, 09:24
Re: Ice on the oceanGary LaPook8 Feb 2011, 09:20
Re: 2011 Nautical AlmanacGary LaPook6 Feb 2011, 20:01
Re: 2011 Nautical AlmanacGary LaPook5 Feb 2011, 23:06
Re: 2011 Nautical AlmanacGary LaPook4 Feb 2011, 18:52
Re: artificial horizonGary LaPook3 Feb 2011, 05:36
Re: 2011 Nautical AlmanacGary LaPook3 Feb 2011, 05:30
Re: Symmedian point plotters for sale---Fifty dollars eachGary LaPook1 Feb 2011, 05:45
Re: A new way to apply sextant correctionsGary LaPook1 Feb 2011, 05:36
Re: sun sightsGary LaPook31 Jan 2011, 20:20
Re: Computing altitude for a DR position using H.O. 229 or H.O. 249Gary LaPook31 Jan 2011, 11:02
Computing altitude for a DR position using H.O. 229 or H.O. 249Gary LaPook31 Jan 2011, 10:55
Re: sun sightsGary LaPook31 Jan 2011, 09:54
Re: sun sightsGary LaPook31 Jan 2011, 09:11
Searching for imagesGary LaPook30 Jan 2011, 21:02
Re: lat/long from meridian passageGary LaPook26 Jan 2011, 10:22
Re: lat/long from meridian passageGary LaPook26 Jan 2011, 06:47
Re: Making an artificial horizon, and leveling thereofGary LaPook26 Jan 2011, 06:19
Re: Making an artificial horizon, and leveling thereofGary LaPook26 Jan 2011, 01:24
Re: Making an artificial horizon, and leveling thereofGary LaPook26 Jan 2011, 01:21
Re: WHO replies to WHOM about WHAT ?Gary LaPook25 Jan 2011, 10:13
Re: Making an artificial horizon, and leveling thereofGary LaPook25 Jan 2011, 05:55
Re: artificial horizonGary LaPook25 Jan 2011, 04:07
A new way to apply sextant correctionsGary LaPook25 Jan 2011, 02:14
Re: Making an artificial horizon, and leveling thereofGary LaPook24 Jan 2011, 23:32
Re: Making an artificial horizon, and leveling thereofGary LaPook24 Jan 2011, 23:27
Re: Making an artificial horizon, and leveling thereofGary LaPook24 Jan 2011, 23:15
Re: Making an artificial horizon, and leveling thereofGary LaPook24 Jan 2011, 22:11
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 22:09
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 20:39
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 20:36
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 06:45
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 05:02
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 04:55
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 01:12
Re: lat/long from meridian passageGary LaPook24 Jan 2011, 00:41
Re: Making an artificial horizon, and leveling thereofGary LaPook23 Jan 2011, 05:52
Re: Making an artificial horizon, and leveling thereofGary LaPook23 Jan 2011, 02:12
Re: Making an artificial horizon, and leveling thereofGary LaPook22 Jan 2011, 19:17
Re: Making an artificial horizon, and leveling thereofGary LaPook22 Jan 2011, 01:25
Re: Making an artificial horizon, and leveling thereofGary LaPook21 Jan 2011, 23:42
Re: Certaine errors in navigation by Edward WrightGary LaPook21 Jan 2011, 20:22
Re: GPS outage in southeast US?Gary LaPook21 Jan 2011, 19:03
Re: Making an artificial horizon, and leveling thereofGary LaPook21 Jan 2011, 18:52
Re: Symmedian point plotters for sale---Fifty dollars eachGary LaPook21 Jan 2011, 18:43
Re: Symmedian point plotters for sale---Fifty dollars eachGary LaPook21 Jan 2011, 12:05
Re: Symmedian point plotters for sale---Fifty dollars eachGary LaPook21 Jan 2011, 12:03
Certaine errors in navigation by Edward WrightGary LaPook21 Jan 2011, 09:36
Re: Symmedian point plotters for sale---Fifty dollars eachGary LaPook21 Jan 2011, 09:28
Re: Making an artificial horizonGary LaPook21 Jan 2011, 09:19
Re: Making an artificial horizonGary LaPook21 Jan 2011, 09:13
Re: Making an artificial horizonGary LaPook21 Jan 2011, 09:03
Re: Making an artificial horizonGary LaPook21 Jan 2011, 08:58
Re: Making an artificial horizonGary LaPook21 Jan 2011, 08:40
Re: Making an artificial horizonGary LaPook21 Jan 2011, 07:48
Re: Making an artificial horizonGary LaPook20 Jan 2011, 05:56
Re: Making an artificial horizonGary LaPook20 Jan 2011, 05:44
Making an artificial horizonGary LaPook20 Jan 2011, 02:15
Symmedian point plotters for sale---Fifty dollars eachGary LaPook20 Jan 2011, 01:09
Re: azimuth of polar starGary LaPook19 Jan 2011, 18:23
Re: NA "v" correction & mercury observationsGary LaPook19 Jan 2011, 10:52
Re: azimuth of polar starGary LaPook18 Jan 2011, 23:25
Re: NA "v" correction & mercury observationsGary LaPook17 Jan 2011, 19:56
Re: NA "v" correction & mercury observationsGary LaPook16 Jan 2011, 23:54
Re: Ho 249Gary LaPook16 Jan 2011, 21:14
Re: help with sun sightsGary LaPook16 Jan 2011, 09:22
Re: help with sun sightsGary LaPook16 Jan 2011, 07:49
Re: help with sun sightsGary LaPook16 Jan 2011, 07:37
Re: help with sun sightsGary LaPook16 Jan 2011, 00:43
Re: help with sun sightsGary LaPook15 Jan 2011, 07:44
Re: How to Use a Plastic SextantGary LaPook15 Jan 2011, 07:38
Re: help with sun sightsGary LaPook15 Jan 2011, 03:22
Re: Immutable firmament?Gary LaPook15 Jan 2011, 01:42
Re: help with sun sightsGary LaPook14 Jan 2011, 23:48
Re: The Nautical SextantGary LaPook14 Jan 2011, 06:15
Re: Rejecting outliersGary LaPook10 Jan 2011, 01:33
Re: Rejecting outliersGary LaPook9 Jan 2011, 21:09
Re: Sight Reduction via Daily Pages in NA v.NA Concise Sight Reduction TablesGary LaPook9 Jan 2011, 09:17
Re: Sight Reduction via Daily Pages in NA v.NA Concise SightReduction TablesGary LaPook9 Jan 2011, 06:19
Re: Rejecting outliersGary LaPook9 Jan 2011, 02:05
Re: Rejecting outliersGary LaPook9 Jan 2011, 01:48
Re: Rejecting outliersGary LaPook8 Jan 2011, 18:54
Re: Rejecting outliersGary LaPook8 Jan 2011, 11:26
Re: Rejecting outliersGary LaPook8 Jan 2011, 10:58
Re: Ex-Meridian ExerciseGary LaPook7 Jan 2011, 21:28
Re: Advice concerning sextantsGary LaPook7 Jan 2011, 20:56
Re: Biruni and the radius of the Earth by dipGary LaPook7 Jan 2011, 17:51
Re: Advice concerning sextantsGary LaPook6 Jan 2011, 06:14
Re: Advice concerning sextantsGary LaPook6 Jan 2011, 04:43
Re: Advice concerning sextantsGary LaPook6 Jan 2011, 04:35
Re: Index Error and Micrometer DrumsGary LaPook4 Jan 2011, 02:46
Re: Rejecting outliersGary LaPook3 Jan 2011, 06:20
Re: Rejecting outliersGary LaPook3 Jan 2011, 05:23
Re: Rejecting outliers: was: Kurtosis.Gary LaPook2 Jan 2011, 02:21
Re: Rejecting outliers: was: Kurtosis.Gary LaPook1 Jan 2011, 19:15
Re: Rejecting outliers: was: Kurtosis.Gary LaPook1 Jan 2011, 18:24
Re: Rejecting outliers: was: Kurtosis.Gary LaPook1 Jan 2011, 10:31
Re: Rejecting outliers: was: Kurtosis.Gary LaPook1 Jan 2011, 10:13
Re: Advice concerning sextantsGary LaPook1 Jan 2011, 02:17
Re: Kurtosis, Gaussian distribution and leptokurtoticGary LaPook31 Dec 2010, 03:44
Re: Two reckoningsGary LaPook31 Dec 2010, 03:41
Re: Review of "Overboard" (history of Slocum)Gary LaPook31 Dec 2010, 01:28
Re: Advice concerning sextantsGary LaPook31 Dec 2010, 01:23
Re: Advice concerning sextantsGary LaPook30 Dec 2010, 21:05
Re: Digital watches for use as a chronometerGary LaPook30 Dec 2010, 09:18
Re: Advice concerning sextantsGary LaPook30 Dec 2010, 09:00
Re: St Hilaire not Iterative was: Finding The SymmedianGary LaPook30 Dec 2010, 00:56
Re: St Hilaire not Iterative was: Finding The SymmedianGary LaPook30 Dec 2010, 00:48
Re: errors in plotting and a possible/partial fix thereof, asmenti...Gary LaPook30 Dec 2010, 00:16
Re: errors in plotting and a possible/partial fix thereof, asmenti...Gary LaPook29 Dec 2010, 22:10
Re: errors in plotting and a possible/partial fix thereof, asmenti...Gary LaPook29 Dec 2010, 22:10
Re: Cocked hats and symmedian pointsGary LaPook29 Dec 2010, 21:09
Re: Cocked hats and symmedian pointsGary LaPook29 Dec 2010, 21:00
Re: errors in plotting and a possible/partial fix thereof, as menti...Gary LaPook29 Dec 2010, 20:36
Re: errors in plotting and a possible/partial fix thereof, as menti...Gary LaPook29 Dec 2010, 19:40
Re: errors in plotting and a possible/partial fix thereof, asmenti...Gary LaPook29 Dec 2010, 19:14
Re: Cocked hats and symmedian pointsGary LaPook29 Dec 2010, 04:30
Re: Cocked hats and symmedian pointsGary LaPook29 Dec 2010, 04:22
Cocked hats and symmedian pointsGary LaPook29 Dec 2010, 04:05
Re: Finding The SymmedianGary LaPook29 Dec 2010, 00:28
Re: Finding The SymmedianGary LaPook28 Dec 2010, 21:59
Re: Finding The SymmedianGary LaPook28 Dec 2010, 21:31
Re: Finding The SymmedianGary LaPook28 Dec 2010, 19:14
Re: Finding The SymmedianGary LaPook28 Dec 2010, 04:22
Re: Finding The SymmedianGary LaPook24 Dec 2010, 10:13
Re: Finding The SymmedianGary LaPook24 Dec 2010, 10:12
Re: Finding The SymmedianGary LaPook24 Dec 2010, 08:31
Pressure line of positionGary LaPook24 Dec 2010, 06:58
Re: St Hilaire not IterativeGary LaPook24 Dec 2010, 06:50
Re: St Hilaire not IterativeGary LaPook24 Dec 2010, 06:47
Re: St Hilaire not IterativeGary LaPook24 Dec 2010, 04:58
Re: Finding The SymmedianGary LaPook24 Dec 2010, 04:45
Re: St Hilaire not IterativeGary LaPook24 Dec 2010, 04:43
Re: Finding The SymmedianGary LaPook23 Dec 2010, 20:45
Biography of Philip Van Horn WeemsGary LaPook20 Dec 2010, 09:28
Re: A simple three-body fix puzzleGary LaPook19 Dec 2010, 18:51
Re: Finding The SymmedianGary LaPook19 Dec 2010, 08:51
Re: A simple three-body fix puzzleGary LaPook19 Dec 2010, 08:46
Re: A slope exampleGary LaPook19 Dec 2010, 08:38
The old cocked hat- a synthesisGary LaPook19 Dec 2010, 03:12
Re: Finding The SymmedianGary LaPook19 Dec 2010, 02:09
Re: Finding The SymmedianGary LaPook19 Dec 2010, 02:04
Re: Finding The SymmedianGary LaPook19 Dec 2010, 01:44
Re: Finding The SymmedianGary LaPook19 Dec 2010, 01:14
Re: Finding The SymmedianGary LaPook19 Dec 2010, 01:12
Re: Finding The SymmedianGary LaPook17 Dec 2010, 22:39
Re: Finding The SymmedianGary LaPook17 Dec 2010, 21:36
Re: Finding The SymmedianGary LaPook17 Dec 2010, 21:23
Re: Was Amelia Earhart eaten by crabs?Gary LaPook17 Dec 2010, 06:54
Re: Calculated slope questionGary LaPook15 Dec 2010, 08:25
Calculated slope questionGary LaPook15 Dec 2010, 07:38
Re: That darned old cocked hatGary LaPook13 Dec 2010, 21:57
Re: calculated slope questionsGary LaPook13 Dec 2010, 17:59
Re: That darned old cocked hatGary LaPook13 Dec 2010, 06:54
Re: A simple three-body fix puzzleGary LaPook11 Dec 2010, 10:26
Re: That darned old cocked hatGary LaPook10 Dec 2010, 22:22
Re: A simple three-body fix puzzleGary LaPook10 Dec 2010, 21:50
Re: That darned old cocked hatGary LaPook10 Dec 2010, 05:43
Re: That darned old cocked hatGary LaPook10 Dec 2010, 05:20
Re: That darned old cocked hatGary LaPook9 Dec 2010, 23:33
Re: That darned old cocked hatGary LaPook9 Dec 2010, 23:27
Re: That darned old cocked hatGary LaPook9 Dec 2010, 23:21
Re: That darned old cocked hatGary LaPook9 Dec 2010, 22:58
Re: That darned old cocked hatGary LaPook9 Dec 2010, 21:25
Re: That darned old cocked hatGary LaPook9 Dec 2010, 21:25
Re: That darned old cocked hatGary LaPook9 Dec 2010, 20:39
Re: That darned old cocked hatGary LaPook9 Dec 2010, 20:31
Re: A simple three-body fix puzzleGary LaPook8 Dec 2010, 09:15
Re: Sextant telescopeGary LaPook8 Dec 2010, 00:58
Re: A simple three-body fix puzzleGary LaPook7 Dec 2010, 20:44
Re: Immutable firmament?Gary LaPook7 Dec 2010, 10:25
Re: Sextant telescopeGary LaPook6 Dec 2010, 20:57
'Programming error' caused Russian rocket failure - Yahoo! NewsGary LaPook6 Dec 2010, 18:31
Re: Immutable firmament?Gary LaPook6 Dec 2010, 10:15
Re: Immutable firmament?Gary LaPook6 Dec 2010, 08:49
Re: Immutable firmament?Gary LaPook6 Dec 2010, 08:02
Re: Immutable firmament?Gary LaPook6 Dec 2010, 07:54
Re: Sextant telescopeGary LaPook6 Dec 2010, 07:04
Rogues galleryGary LaPook4 Dec 2010, 08:23
Re: Immutable firmament?Gary LaPook4 Dec 2010, 07:45
Re: A slope exampleGary LaPook4 Dec 2010, 01:36
Re: Sextant telescopeGary LaPook3 Dec 2010, 17:51
Immutable firmament?Gary LaPook3 Dec 2010, 10:08
Re: Sextant telescopeGary LaPook3 Dec 2010, 09:45
Re: Sextant telescopeGary LaPook3 Dec 2010, 06:17
Re: A slope exampleGary LaPook1 Dec 2010, 10:20
Re: A slope exampleGary LaPook1 Dec 2010, 10:08
Re: A slope exampleGary LaPook1 Dec 2010, 10:00
Re: A slope exampleGary LaPook1 Dec 2010, 07:23
Re: A slope exampleGary LaPook1 Dec 2010, 06:25
Re: Sextant telescopeGary LaPook1 Dec 2010, 02:45
Re: Sextant telescopeGary LaPook1 Dec 2010, 02:43
Re: A slope exampleGary LaPook30 Nov 2010, 23:15
Re: The Nautical Sextant, by by Bill Morris.Gary LaPook30 Nov 2010, 22:35
Re: A slope exampleGary LaPook30 Nov 2010, 22:17
Sextant telescopeGary LaPook30 Nov 2010, 07:16
Accuracy of GPSGary LaPook29 Nov 2010, 04:36
Re: Accuracy of sextant observations at seaGary LaPook28 Nov 2010, 07:24
Re: Accuracy of sextant observations at seaGary LaPook28 Nov 2010, 07:06
Re: Accuracy of sextant observations at seaGary LaPook28 Nov 2010, 03:25
Re: Accuracy of sextant observations at seaGary LaPook27 Nov 2010, 20:58
Manual slope plottingGary LaPook27 Nov 2010, 08:04
Re: Wobbly Prime MeridianGary LaPook24 Nov 2010, 06:59
Re: Wobbly Prime MeridianGary LaPook24 Nov 2010, 05:36
Re: Wobbly Prime MeridianGary LaPook24 Nov 2010, 02:50
Re: Wobbly Prime MeridianGary LaPook23 Nov 2010, 21:18
Re: Wobbly Prime MeridianGary LaPook23 Nov 2010, 09:23
Re: Wobbly Prime MeridianGary LaPook23 Nov 2010, 08:00
Re: Wobbly Prime MeridianGary LaPook23 Nov 2010, 02:17
Re: Accuracy of sextant observations at seaGary LaPook22 Nov 2010, 08:42
Re: Accuracy of sextant observations at seaGary LaPook21 Nov 2010, 23:30
Re: Accuracy of sextant observations at seaGary LaPook20 Nov 2010, 23:52
Re: Accuracy of sextant observations at seaGary LaPook20 Nov 2010, 11:00
Re: Accuracy of sextant observations at seaGary LaPook19 Nov 2010, 22:40
Re: The Rude Star Finder and teaching starsGary LaPook18 Nov 2010, 07:05
Determining the center of the cocked hatGary LaPook17 Nov 2010, 08:13
Re: The Rude Star Finder and teaching starsGary LaPook17 Nov 2010, 07:46
Re: The Usps Aries CalculatorGary LaPook13 Nov 2010, 18:06
Re: Star finder, 2102-D, further modificationGary LaPook9 Nov 2010, 22:23
Re: Star finder, 2102-D, further modificationGary LaPook9 Nov 2010, 21:09
Re: Star finder, 2102-D, further modificationGary LaPook9 Nov 2010, 19:16
Re: Accuracy of sextant observations at seaGary LaPook9 Nov 2010, 08:29
Re: The Rude Star Finder and teaching starsGary LaPook9 Nov 2010, 07:59
Re: The Usps Aries CalculatorGary LaPook9 Nov 2010, 03:46
Star finder, 2102-D, further modificationGary LaPook9 Nov 2010, 03:41
Re: Web on-line CelNav sights reductionGary LaPook8 Nov 2010, 17:38
Re: The Rude Star Finder and teaching starsGary LaPook7 Nov 2010, 07:43
Re: Free online CelNav courseGary LaPook6 Nov 2010, 22:56
Re: hiding starsGary LaPook4 Nov 2010, 00:48
Clickable links- test 4Gary LaPook29 Oct 2010, 20:28
Clickable links-test 3Gary LaPook29 Oct 2010, 20:25
Clickable links- test 2Gary LaPook29 Oct 2010, 20:19
Clickable links---testGary LaPook29 Oct 2010, 20:15
Re: Afm 51-40Gary LaPook28 Oct 2010, 05:50
Re: Afm 51-40Gary LaPook28 Oct 2010, 05:25
Re: Afm 51-40Gary LaPook27 Oct 2010, 23:20
Re: Afm 51-40Gary LaPook27 Oct 2010, 20:29
Re: Afm 51-40Gary LaPook27 Oct 2010, 20:05
Re: Afm 51-40Gary LaPook27 Oct 2010, 09:32
Re: The Nonsensical Running FixGary LaPook27 Oct 2010, 09:01
Kollsman periscopic sextant mountGary LaPook27 Oct 2010, 08:41
Re: The Nonsensical Running FixGary LaPook26 Oct 2010, 16:59
Re: The Nonsensical Running FixGary LaPook26 Oct 2010, 10:13
Re: The Nonsensical Running FixGary LaPook26 Oct 2010, 09:45
Re: Old question - need summaryGary LaPook26 Oct 2010, 09:08
Re: Old question - need summaryGary LaPook26 Oct 2010, 08:57
Re: The Nonsensical Running FixGary LaPook25 Oct 2010, 18:27
Re: (ADMIN) Linked files vs Attached files, and a scamGary LaPook25 Oct 2010, 17:17
Re: The Nonsensical Running FixGary LaPook25 Oct 2010, 08:03
Re: (ADMIN) Linked files vs Attached files, and a scamGary LaPook25 Oct 2010, 06:27
Re: (ADMIN) Linked files vs Attached files, and a scamGary LaPook25 Oct 2010, 06:06
Re: Admiral GAGO CoutinhoGary LaPook22 Oct 2010, 10:28
Re: B-52 navigators in VietnamGary LaPook20 Oct 2010, 22:31
Re: More on 2102-D & Radar Plotting SheetGary LaPook20 Oct 2010, 04:45
Re: Admiral GAGO CoutinhoGary LaPook19 Oct 2010, 20:20
Nautical Sextant bookGary LaPook16 Oct 2010, 00:30
The Nonsensical Running FixGary LaPook16 Oct 2010, 00:28
MA-2 sextant for sale on ebayGary LaPook14 Oct 2010, 06:57
Original cost of A-10A sextantGary LaPook14 Oct 2010, 06:55
Re: Sextant averagerGary LaPook12 Oct 2010, 20:03
Re: Sun Altitude/Azimuth by 2102-DGary LaPook11 Oct 2010, 22:58
Re: Sun Altitude/Azimuth by 2102-DGary LaPook11 Oct 2010, 22:03
Re: Sun Altitude/Azimuth by 2102-DGary LaPook11 Oct 2010, 19:20
Sextant averagerGary LaPook11 Oct 2010, 00:43
Re: Benefits of StigmatizingGary LaPook9 Oct 2010, 23:50
Re: Benefits of StigmatizingGary LaPook9 Oct 2010, 19:48
Re: Benefits of StigmatizingGary LaPook9 Oct 2010, 01:45
Re: Benefits of StigmatizingGary LaPook9 Oct 2010, 00:24
Re: Benefits of StigmatizingGary LaPook8 Oct 2010, 19:28
Re: Self contained long term celnav with Bygrave slide ruleGary LaPook5 Oct 2010, 09:38
Re: New compact backup CELNAV system RENAMED Accuracy ofBygrave Slide RuleGary LaPook4 Oct 2010, 20:16
Re: New compact backup CELNAV system RENAMED Accuracy of Bygrave SlideRuleGary LaPook3 Oct 2010, 08:11
Self contained long term celnav with Bygrave slide ruleGary LaPook2 Oct 2010, 08:17
Re: Graphs of Lunar Distances.Gary LaPook29 Sep 2010, 05:21
Re: MA1 aircraft sextant averagerGary LaPook26 Sep 2010, 16:52
Re: Modifacation to 2102-DGary LaPook25 Sep 2010, 02:08
Re: Accuracy of sextant observations at seaGary LaPook23 Sep 2010, 20:24
Re: Degree symbol inputGary LaPook23 Sep 2010, 20:21
Re: Accuracy of sextant observations at seaGary LaPook23 Sep 2010, 20:19
Re: Degree symbol inputGary LaPook23 Sep 2010, 20:05
Accuracy of sextant observations at seaGary LaPook23 Sep 2010, 09:57
Re: A fluke of 0.0 intercept with Altair.Gary LaPook22 Sep 2010, 22:24
Re: Benefits of StigmatizingGary LaPook22 Sep 2010, 19:02
Re: Degree symbol inputGary LaPook22 Sep 2010, 18:59
Re: Degree symbol inputGary LaPook22 Sep 2010, 18:52
Re: Degree symbol inputGary LaPook22 Sep 2010, 18:41
Re: Benefits of StigmatizingGary LaPook22 Sep 2010, 18:08
Re: Degree symbol inputGary LaPook22 Sep 2010, 18:14
Re: A fluke of 0.0 intercept with Altair.Gary LaPook22 Sep 2010, 18:04
Degree symbol inputGary LaPook22 Sep 2010, 11:06
Re: Benefits of StigmatizingGary LaPook22 Sep 2010, 10:23
Re: Did the Titanic helmsman turn the wrong way?Gary LaPook22 Sep 2010, 06:19
Re: sextant practice and time keepersGary LaPook22 Sep 2010, 05:54
Re: A fluke of 0.0 intercept with Altair.Gary LaPook22 Sep 2010, 05:43
Re: sextant practice and time keepersGary LaPook21 Sep 2010, 07:42
Re: webpages upset by skype. was: skype was: Lewis and ClarkGary LaPook20 Sep 2010, 22:28
Re: Lewis and Clark. was: sextant practice and time keepersGary LaPook19 Sep 2010, 04:16
Re: Radium illuminationGary LaPook17 Sep 2010, 05:53
Re: Did a precessing gyro lead to the loss of Earhart?Gary LaPook16 Sep 2010, 18:40
Re: Aviation Bubble SextantGary LaPook15 Sep 2010, 07:57
Re: Digital watches for use as a chronometerGary LaPook15 Sep 2010, 00:35
Re: Digital watches for use as a chronometerGary LaPook15 Sep 2010, 00:27
Digital watches for use as a chronometerGary LaPook14 Sep 2010, 22:06
Re: Atherton's HeliostatGary LaPook14 Sep 2010, 05:26
Re: Egregious navigation exampleGary LaPook14 Sep 2010, 04:31
Re: Did a precessing gyro lead to the loss of Earhart?Gary LaPook14 Sep 2010, 01:58
Re: Did a precessing gyro lead to the loss of Earhart?Gary LaPook13 Sep 2010, 21:20
Flight navigation manualsGary LaPook13 Sep 2010, 17:45
Re: Did a precessing gyro lead to the loss of Earhart?Gary LaPook13 Sep 2010, 02:32
Re: Did a precessing gyro lead to the loss of Earhart?Gary LaPook12 Sep 2010, 16:28
Re: Egregious navigation exampleGary LaPook12 Sep 2010, 05:14
Did a precessing gyro lead to the loss of Earhart?Gary LaPook12 Sep 2010, 03:08
Re: Looking for references on "aiming off"Gary LaPook11 Sep 2010, 19:26
Re: Looking for references on "aiming off"Gary LaPook11 Sep 2010, 06:30
Re: Looking for references on "aiming off"Gary LaPook10 Sep 2010, 20:42
Re: Looking for references on "aiming off"Gary LaPook10 Sep 2010, 17:07
Re: Looking for references on "aiming off"Gary LaPook10 Sep 2010, 17:05
Re: Aviation Bubble SextantGary LaPook10 Sep 2010, 16:59
Re: Aviation Bubble SextantGary LaPook10 Sep 2010, 16:35
Egregious navigation exampleGary LaPook9 Sep 2010, 20:29
Re: Radium illuminationGary LaPook9 Sep 2010, 05:18
Re: Radium illuminationGary LaPook8 Sep 2010, 02:35
Re: Radium illuminationGary LaPook6 Sep 2010, 18:04
Re: Radium illuminationGary LaPook6 Sep 2010, 00:20
Re: Radium illuminationGary LaPook6 Sep 2010, 00:13
Re: Radium illuminationGary LaPook6 Sep 2010, 00:11
Radium illuminationGary LaPook5 Sep 2010, 22:45
Re: Using an artificial horizonGary LaPook4 Sep 2010, 06:11
Re: Using an artificial horizonGary LaPook3 Sep 2010, 00:49
Re: Using an artificial horizonGary LaPook2 Sep 2010, 16:19
Re: Jesse Ramsden's Circular Dividing Engine: A commentaryGary LaPook1 Sep 2010, 06:40
Re: Aviation Bubble SextantGary LaPook29 Aug 2010, 10:37
Re: Aviation Bubble SextantGary LaPook29 Aug 2010, 10:03
Re: Ah, give someone a calculator.......Gary LaPook25 Aug 2010, 20:26
Re: Ah, give someone a calculator.......Gary LaPook25 Aug 2010, 17:40
Re: Ah, give someone a calculator.......Gary LaPook21 Aug 2010, 09:44
[Fwd: Re: Ah, give someone a calculator.......]Gary LaPook17 Aug 2010, 02:14
Re: Ah, give someone a calculator.......Gary LaPook17 Aug 2010, 01:57
Re: Ah, give someone a calculator.......Gary LaPook16 Aug 2010, 16:22
Re: Ah, give someone a calculator.......Gary LaPook15 Aug 2010, 17:50
Re: Ah, give someone a calculator.......Gary LaPook15 Aug 2010, 17:24
Re: Ah, give someone a calculator.......Gary LaPook15 Aug 2010, 14:27
Re: Basic celestial naviagtion using a scientific calculatorGary LaPook15 Aug 2010, 01:17
Re: Basic celestial naviagtion using a scientific calculatorGary LaPook15 Aug 2010, 00:29
Re: Ah, give someone a calculator.......Gary LaPook14 Aug 2010, 21:20
Re: Ah, give someone a calculator.......Gary LaPook14 Aug 2010, 21:11
Re: Basic celestial naviagtion using a scientific calculatorGary LaPook14 Aug 2010, 20:34
Ah, give someone a calculator.......Gary LaPook14 Aug 2010, 13:52
Re: Basic celestial naviagtion using a scientific calculatorGary LaPook12 Aug 2010, 22:45
Re: Greenwich getting a challengeGary LaPook11 Aug 2010, 16:02
Re: Solar storms. was: New inovation in astro navigation?Gary LaPook5 Aug 2010, 19:04
Re: NIST website time accuracyGary LaPook5 Aug 2010, 19:01
Re: NIST website time accuracyGary LaPook5 Aug 2010, 08:40
Re: NIST website time accuracyGary LaPook4 Aug 2010, 22:41
Re: NIST website time accuracyGary LaPook4 Aug 2010, 22:02
Re: New inovation in astro navigation?Gary LaPook3 Aug 2010, 22:34
Re: Summer ReadingGary LaPook3 Aug 2010, 21:21
Re: Summer ReadingGary LaPook3 Aug 2010, 20:28
Re: New inovation in astro navigation?Gary LaPook3 Aug 2010, 16:45
A-7 sextant accuracy in flightGary LaPook2 Aug 2010, 01:27
Re: New inovation in astro navigation?Gary LaPook1 Aug 2010, 00:10
Re: NavList Summer reading?Gary LaPook28 Jul 2010, 02:45
Re: HO 249 Vol 1, epoch 2010, TypoGary LaPook27 Jul 2010, 17:43
Re: HO 249 Vol 1, epoch 2010, TypoGary LaPook27 Jul 2010, 17:12
Re: Bygrave revised rules for converting azimuth angle to ZnGary LaPook13 Jul 2010, 04:21
Re: Bygrave revised rules for converting azimuth angleto ZnGary LaPook12 Jul 2010, 10:49
Re: Bygrave revised rules for converting azimuth angleto ZnGary LaPook12 Jul 2010, 10:47
Bygrave revised rules for converting azimuth angle to ZnGary LaPook12 Jul 2010, 03:55
Re: MHR1 reproductionGary LaPook6 Jul 2010, 20:01
Re: Compass Error CorectionGary LaPook3 Jul 2010, 01:23
Re: Materials from Navigation Weekend TalkGary LaPook21 Jun 2010, 22:59
Re: Materials from Navigation Weekend TalkGary LaPook8 Jun 2010, 07:32
Re: Bligh's noon by chronometerGary LaPook4 Jun 2010, 01:50
Re: Bligh's noon by chronometerGary LaPook1 Jun 2010, 04:34
Re: Two weeks to Mystic "Navigation Weekend"Gary LaPook25 May 2010, 08:53
Was Earhart a spy, part threeGary LaPook24 May 2010, 21:49
Was Earhart a Spy, Second spy theoryGary LaPook24 May 2010, 21:29
Was Earhart a spy?Gary LaPook24 May 2010, 21:05
Re: Periscopic sextant with mountGary LaPook22 May 2010, 17:16
Mk IX on EbayGary LaPook22 May 2010, 05:06
Periscopic sextant with mountGary LaPook22 May 2010, 05:05
Re: Attachments againGary LaPook13 May 2010, 21:51
Re: History of whaling: tonight on tv (USA)Gary LaPook12 May 2010, 04:07
Re: History of whaling: tonight on tv (USA)Gary LaPook11 May 2010, 17:43
Re: Museum piecesGary LaPook10 May 2010, 07:05
Re: Errors in USNO celestial dataGary LaPook5 May 2010, 00:00
Mystic symposiumGary LaPook1 May 2010, 22:47
Re: Browser issues, not errors in USNO celestial dataGary LaPook1 May 2010, 22:43
Re: Errors in USNO celestial dataGary LaPook1 May 2010, 20:35
Re: Errors in USNO celestial dataGary LaPook1 May 2010, 18:26
Errors in USNO celestial dataGary LaPook1 May 2010, 09:52
Re: slide ruleGary LaPook26 Apr 2010, 21:03
Re: slide ruleGary LaPook26 Apr 2010, 21:01
Re: 4 basic rules for accurate Low Level Airborne VisualNavigationGary LaPook26 Apr 2010, 06:20
Re: 4 basic rules for accurate Low Level Airborne VisualNavigationGary LaPook23 Apr 2010, 22:01
Re: Inverse Grid Magrader ChartGary LaPook22 Apr 2010, 19:24
Amelia Earhart's navigation to DakarGary LaPook19 Apr 2010, 18:00
Earhart's flight to DakarGary LaPook19 Apr 2010, 10:05
Re: MA-1 bubble sextantGary LaPook18 Apr 2010, 07:22
Degradation of professionalism in NavyGary LaPook10 Apr 2010, 19:16
Re: ebbco sextantGary LaPook8 Apr 2010, 18:26
Re: Circular "Navigational Computer"Gary LaPook24 Mar 2010, 07:57
Re: Circular "Navigational Computer"Gary LaPook23 Mar 2010, 20:31
Re: Website with flight navigation resourcesGary LaPook22 Mar 2010, 04:05
Re: Website with flight navigation resourcesGary LaPook22 Mar 2010, 03:19
Re: Website with flight navigation resourcesGary LaPook21 Mar 2010, 23:36
Re: Website with flight navigation resourcesGary LaPook21 Mar 2010, 20:16
Flight navigation websiteGary LaPook21 Mar 2010, 11:26
Website with flight navigation resourcesGary LaPook21 Mar 2010, 11:23
Re: TWO at the Lake with sextantsGary LaPook17 Mar 2010, 19:57
Re: TWO at the Lake with sextantsGary LaPook17 Mar 2010, 19:49
Re: H.O. 208 Editions ComparedGary LaPook4 Mar 2010, 05:57
Re: Magnetic VariationGary LaPook28 Feb 2010, 03:24
Re: testGary LaPook28 Feb 2010, 00:51
Re: Irradiation and Manual Navigation. Haines andAllen. 1968/9Gary LaPook28 Feb 2010, 00:51
TestGary LaPook28 Feb 2010, 00:39
Re: Navigational instruments at the Naval Museum in LisbonGary LaPook25 Feb 2010, 23:51
Re: Advice concerning sextantsGary LaPook24 Feb 2010, 03:49
Re: Advancing LOPs for precision fixesGary LaPook23 Feb 2010, 10:53
Re: Ships and boats and barksGary LaPook20 Feb 2010, 05:23
Re: Advancing LOPs for precision fixesGary LaPook19 Feb 2010, 07:37
Scales used on BygraveGary LaPook19 Feb 2010, 00:35
Re: Advancing LOPs for precision fixesGary LaPook18 Feb 2010, 10:41
Re: Advancing LOPs for precision fixesGary LaPook16 Feb 2010, 20:56
Re: Longitude by meridian transit/ fishline sextantGary LaPook16 Feb 2010, 18:06
Advancing LOPs for precision fixesGary LaPook16 Feb 2010, 09:28
Re: System Gago CoutinhoGary LaPook16 Feb 2010, 07:54
Re: System Gago CoutinhoGary LaPook16 Feb 2010, 00:56
Navigational instruments at the Naval Museum in LisbonGary LaPook15 Feb 2010, 09:06
Re: System Gago CoutinhoGary LaPook15 Feb 2010, 00:51
Re: Sextant used on Graf ZeppelinGary LaPook14 Feb 2010, 22:59
System Gago CoutinhoGary LaPook14 Feb 2010, 20:20
Re: Sextant used on Graf ZeppelinGary LaPook14 Feb 2010, 00:24
Re: Method used to compute navigational tables.Gary LaPook10 Feb 2010, 00:37
Re: thinking manGary LaPook9 Feb 2010, 22:24
Computing azimuth with the Bygrave in special cases.Gary LaPook9 Feb 2010, 12:52
Searching attachment filesGary LaPook7 Feb 2010, 21:02
Computing great circle and rhumb lline coursesGary LaPook6 Feb 2010, 12:37
Re: Finding Howland IslandGary LaPook6 Feb 2010, 09:53
Re: German navigational notationGary LaPook6 Feb 2010, 08:00
Re: Longitude by Sunrise exampleGary LaPook5 Feb 2010, 23:24
Re: Ageton FormGary LaPook5 Feb 2010, 19:51
Re: Longitude by SunriseGary LaPook5 Feb 2010, 06:32
Re: Longitude by SunriseGary LaPook5 Feb 2010, 03:21
Re: Longitude by Sunrise exampleGary LaPook5 Feb 2010, 00:51
Re: Longitude by Sunrise exampleGary LaPook5 Feb 2010, 00:47
Re: Wartime (WW2) navigationGary LaPook1 Feb 2010, 19:50
Re: Wartime (WW2) navigationGary LaPook1 Feb 2010, 10:39
Re: Wartime (WW2) navigationGary LaPook31 Jan 2010, 08:06
Re: Wartime (WW2) navigationGary LaPook31 Jan 2010, 06:46
Re: Wartime (WW2) navigationGary LaPook31 Jan 2010, 06:34
Re: Method used to compute navigational tables.Gary LaPook31 Jan 2010, 00:40
Method used to compute navigational tables.Gary LaPook30 Jan 2010, 22:48
Re: German navigational notationGary LaPook30 Jan 2010, 22:19
Re: Cylindrical Slide Rule tube pollGary LaPook30 Jan 2010, 07:54
Re: Cylindrical Slide Rule / tube lengthsGary LaPook30 Jan 2010, 07:48
Re: German navigational notationGary LaPook30 Jan 2010, 02:35
Re: d correctionGary LaPook30 Jan 2010, 00:04
Re: German navigational notationGary LaPook29 Jan 2010, 11:28
Re: German navigational notationGary LaPook29 Jan 2010, 06:42
German navigational notationGary LaPook28 Jan 2010, 23:04
Re: Cylindrical Slide Rule / tube lengthsGary LaPook28 Jan 2010, 09:52
Re: IntroductionGary LaPook26 Jan 2010, 23:49
Re: Raft book questionGary LaPook26 Jan 2010, 10:43
Re: Cylindrical Slide Rule tube pollGary LaPook26 Jan 2010, 05:32
Pictures of HR-1 and HR-2Gary LaPook25 Jan 2010, 00:57
Re: Symposium at GreenwichGary LaPook24 Jan 2010, 21:35
Re: Symposium at GreenwichGary LaPook24 Jan 2010, 21:17
Re: Cylindrical Slide Rule tube pollGary LaPook24 Jan 2010, 20:35
Re: AFM 64-5/ Raft book questionGary LaPook24 Jan 2010, 07:16
Re: Ball Recording Sextant Mark 1 Mod. 0Gary LaPook23 Jan 2010, 21:57
Re: Symposium at GreenwichGary LaPook23 Jan 2010, 09:03
Re: HR-1 working re-creationGary LaPook23 Jan 2010, 06:51
Re: Cylindrical Slide Rule tube pollGary LaPook23 Jan 2010, 05:56
Re: Cylindrical Slide Rule tube pollGary LaPook23 Jan 2010, 05:32
Re: Another cylindrical bygraveGary LaPook23 Jan 2010, 05:09
Re: HR-1 working re-creationGary LaPook23 Jan 2010, 03:27
Re: HR-1 working re-creationGary LaPook23 Jan 2010, 02:07
Re: HR-1 working re-creationGary LaPook23 Jan 2010, 02:03
Re: Cylindrical Slide Rule tube pollGary LaPook22 Jan 2010, 21:07
Re: Another cylindrical bygraveGary LaPook22 Jan 2010, 07:59
Re: HR-1 working re-creationGary LaPook22 Jan 2010, 07:26
Re: Cylindrical Slide Rule tube pollGary LaPook22 Jan 2010, 07:09
Re: HR-1 working re-creationGary LaPook22 Jan 2010, 05:37
Re: Cylindrical Slide Rule tube pollGary LaPook21 Jan 2010, 12:01
Re: Cylindrical Slide Rule tube pollGary LaPook21 Jan 2010, 11:52
HR-1 working re-creationGary LaPook18 Jan 2010, 11:59
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook16 Jan 2010, 09:54
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook16 Jan 2010, 09:47
Re: Poor Line of Position Computer/popularity of sliderule sight reductionGary LaPook16 Jan 2010, 09:41
Re: Poor Line of Position Computer/popularity of sliderule sight reductionGary LaPook16 Jan 2010, 07:29
Re: Poor Line of Position Computer/popularity of sliderule sight reductionGary LaPook15 Jan 2010, 19:26
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook15 Jan 2010, 18:18
Re: CN aboard a Cessna 172Gary LaPook15 Jan 2010, 02:38
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook14 Jan 2010, 18:52
Re: Cessna CN SummaryGary LaPook13 Jan 2010, 22:56
Re: Cessna CN SummaryGary LaPook13 Jan 2010, 21:49
Re: Cessna CN SummaryGary LaPook13 Jan 2010, 20:55
Re: why is it thatGary LaPook13 Jan 2010, 05:01
Re: CN aboard a Cessna 172Gary LaPook12 Jan 2010, 21:52
Re: CN aboard a Cessna 172Gary LaPook12 Jan 2010, 05:22
Re: Kollsman sextantGary LaPook4 Jan 2010, 23:54
Re: Kollsman sextantGary LaPook4 Jan 2010, 21:35
Re: [Fwd: Re: things to do in LA]Gary LaPook3 Jan 2010, 16:14
Re: [Fwd: Re: things to do in LA]Gary LaPook3 Jan 2010, 06:42
Re: [Fwd: Re: things to do in LA]Gary LaPook3 Jan 2010, 02:25
[Fwd: Re: things to do in LA]Gary LaPook2 Jan 2010, 08:10
[Fwd: Re: things to do in LA]Gary LaPook2 Jan 2010, 08:10
[Fwd: Re: things to do in LA]Gary LaPook2 Jan 2010, 08:10
Re: Calibrating bubble sextantsGary LaPook27 Dec 2009, 22:20
Calibrating bubble sextantsGary LaPook27 Dec 2009, 22:07
Re: Re.Sextant Shots in FlightGary LaPook26 Dec 2009, 06:20
Re: Sextant shots in flight on January 9th and/or January 10th, 2010Gary LaPook25 Dec 2009, 01:35
Sextant shots in flight on January 9th and/or January 10th, 2010Gary LaPook24 Dec 2009, 21:29
Re: Celesital Navigation Through CloudsGary LaPook24 Dec 2009, 01:00
Re: Celesital Navigation Through CloudsGary LaPook23 Dec 2009, 17:38
Re: Celesital Navigation Through CloudsGary LaPook23 Dec 2009, 04:40
Re: Semi-diameter in the Nautical AlmanacGary LaPook23 Dec 2009, 02:06
Re: Semi-diameter in the Nautical AlmanacGary LaPook22 Dec 2009, 21:11
Re: Semi-diameter in the Nautical AlmanacGary LaPook22 Dec 2009, 13:17
Re: Semi-diameter in the Nautical AlmanacGary LaPook22 Dec 2009, 12:36
Re: Celesital Navigation Through CloudsGary LaPook21 Dec 2009, 07:24
Re: Celesital Navigation Through CloudsGary LaPook21 Dec 2009, 07:23
Re: Celesital Navigation Through CloudsGary LaPook21 Dec 2009, 02:56
Re: Celesital Navigation Through CloudsGary LaPook20 Dec 2009, 22:37
Re: Celesital Navigation Through CloudsGary LaPook20 Dec 2009, 14:00
Re: Pre-computed Altitudes and AzimuthsGary LaPook20 Dec 2009, 12:24
Re: Pre-computed Altitudes and AzimuthsGary LaPook20 Dec 2009, 12:11
Re: Celesital Navigation Through CloudsGary LaPook18 Dec 2009, 20:43
Re: Celesital Navigation Through CloudsGary LaPook18 Dec 2009, 19:32
Re: USN going paperless and celnavlessGary LaPook17 Dec 2009, 17:47
Re: Why Not To Teach Running FixesGary LaPook16 Dec 2009, 11:42
Re: Matthew FlindersGary LaPook16 Dec 2009, 05:29
Re: Semi-diameter in the Nautical AlmanacGary LaPook15 Dec 2009, 19:33
Re: Semi-diameter in the Nautical AlmanacGary LaPook15 Dec 2009, 19:29
Semi-diameter in the Nautical AlmanacGary LaPook15 Dec 2009, 08:50
Re: Why Not To Teach Running FixesGary LaPook15 Dec 2009, 06:50
Re: Teaching a Running FixGary LaPook12 Dec 2009, 21:49
Re: Out of Date AlmanacGary LaPook10 Dec 2009, 08:36
Re: LORAN-C to be shut down.Gary LaPook9 Dec 2009, 10:23
Re: Out of Date AlmanacGary LaPook9 Dec 2009, 06:11
Re: Out of Date AlmanacGary LaPook8 Dec 2009, 22:44
Re: Out of Date AlmanacGary LaPook8 Dec 2009, 19:30
Re: Out of Date AlmanacGary LaPook8 Dec 2009, 11:36
Re: Out of Date AlmanacGary LaPook8 Dec 2009, 06:51
Re: Out of Date AlmanacGary LaPook8 Dec 2009, 02:42
Re: Ageton on an Index CardGary LaPook8 Dec 2009, 01:26
Re: Ageton on an Index CardGary LaPook8 Dec 2009, 01:10
Re: Finding latitude by length of day-condensed filesGary LaPook7 Dec 2009, 06:49
Re: LORAN-C to be shut down.Gary LaPook7 Dec 2009, 06:21
KamalGary LaPook7 Dec 2009, 06:08
Re: Finding latitude by length of day-condensed filesGary LaPook7 Dec 2009, 03:01
Re: Finding latitude by length of day-condensed filesGary LaPook7 Dec 2009, 02:30
Re: Finding latitude by length of day-condensed filesGary LaPook7 Dec 2009, 02:24
Re: LORAN-C to be shut down.Gary LaPook7 Dec 2009, 01:54
Re: Finding latitude by length of day-condensed filesGary LaPook7 Dec 2009, 01:56
Re: Finding latitude by length of day-condensed filesGary LaPook6 Dec 2009, 23:16
Re: Ipod Touch / IPhone AppsGary LaPook6 Dec 2009, 22:25
Re: LORAN-C to be shut down.Gary LaPook6 Dec 2009, 23:03
[Fwd: Re: LORAN-C to be shut down.]Gary LaPook6 Dec 2009, 22:01
Re: LORAN-C to be shut down.Gary LaPook6 Dec 2009, 21:40
Re: Finding latitude by length of day-condensed filesGary LaPook6 Dec 2009, 19:59
Re: LORAN-C to be shut down.Gary LaPook6 Dec 2009, 10:48
Re: LORAN-C to be shut down.Gary LaPook6 Dec 2009, 10:45
Re: LORAN-C to be shut down.Gary LaPook6 Dec 2009, 10:36
Finding latitude by length of dayGary LaPook6 Dec 2009, 09:59
Re: Ageton on an Index CardGary LaPook6 Dec 2009, 05:33
Re: Radio direction-finders. was: Re: LORAN-C to be shut down.Gary LaPook5 Dec 2009, 23:58
Re: LORAN-C to be shut down.Gary LaPook5 Dec 2009, 08:03
Re: Pub.229 GC-Calculation-basic informationGary LaPook2 Dec 2009, 19:31
Re: Finding Howland IslandGary LaPook2 Dec 2009, 09:27
Re: Finding Howland IslandGary LaPook2 Dec 2009, 09:04
Finding Howland IslandGary LaPook2 Dec 2009, 08:27
Re: Pub.229 GC-Calculation-basic informationGary LaPook2 Dec 2009, 05:26
Re: Pub.229 GC-Calculation-basic informationGary LaPook2 Dec 2009, 05:25
Re: Amelia Earhart navigation- basic information & PICTURESGary LaPook1 Dec 2009, 10:17
Re: Pub.229 GC-Calculation-basic informationGary LaPook1 Dec 2009, 09:59
Re: Amelia Earhart navigation- basic information & PICTURESGary LaPook1 Dec 2009, 09:44
Re: Pub.229 GC-Calculation distance and course.Gary LaPook30 Nov 2009, 20:53
Re: Amelia Earhart navigation- basic information.Gary LaPook29 Nov 2009, 12:04
Re: Amelia Earhart navigation- basic information.Gary LaPook29 Nov 2009, 11:52
Re: Amelia Earhart's aerial navigationGary LaPook29 Nov 2009, 11:49
Re: Amelia Earhart navigation- basic information.Gary LaPook29 Nov 2009, 11:28
Re: Amelia Earhart's aerial navigationGary LaPook29 Nov 2009, 05:33
Amelia Earhart navigation- basic information.Gary LaPook28 Nov 2009, 08:28
Transatlantic on the Royal Clipper and celnavGary LaPook27 Nov 2009, 21:44
Re: Amelia Earhart's aerial navigationGary LaPook27 Nov 2009, 13:19
Re: Amelia Earhart's aerial navigation and Coast Guard did?Gary LaPook27 Nov 2009, 12:38
Re: Amelia Earhart's aerial navigationGary LaPook27 Nov 2009, 10:52
Re: Kollsman averagersGary LaPook27 Nov 2009, 09:39
Re: Flight 19 route: wrong courseGary LaPook27 Nov 2009, 05:31
Re: Flight 19 route: wrong courseGary LaPook26 Nov 2009, 02:56
Re: Kollsman averagersGary LaPook25 Nov 2009, 21:14
Re: Kollsman averagersGary LaPook25 Nov 2009, 21:07
Re: Kollsman averagersGary LaPook25 Nov 2009, 19:24
Kollsman averagersGary LaPook25 Nov 2009, 05:52
Re: Periscopic Sextant w/ MountGary LaPook25 Nov 2009, 05:51
Re: Amelia Earhart's aerial navigationGary LaPook21 Nov 2009, 04:58
Re: Amelia Earhart's aerial navigationGary LaPook19 Nov 2009, 21:17
Re: Amelia Earhart's aerial navigationGary LaPook19 Nov 2009, 19:10
Re: Amelia Earhart's aerial navigationGary LaPook19 Nov 2009, 17:37
Re: Amelia Earhart's aerial navigationGary LaPook19 Nov 2009, 05:59
Re: Amelia Earhart's aerial navigationGary LaPook18 Nov 2009, 23:44
Re: Amelia movieGary LaPook17 Nov 2009, 17:50
Re: Amelia Earhart's aerial navigationGary LaPook17 Nov 2009, 12:27
Re: Amelia Earhart's aerial navigationGary LaPook17 Nov 2009, 12:07
Re: Amelia movieGary LaPook17 Nov 2009, 09:41
Re: Changing Zone Descriptions at SeaGary LaPook17 Nov 2009, 01:54
Re: Free GyroscopeGary LaPook17 Nov 2009, 01:38
Re: Amelia Earhart's aerial navigationGary LaPook16 Nov 2009, 10:40
Re: Amelia Earhart's aerial navigationGary LaPook16 Nov 2009, 09:18
Re: Amelia Earhart's aerial navigationGary LaPook16 Nov 2009, 08:16
Re: AP terminology, WAS: 2-Body Fix -- take threeGary LaPook14 Nov 2009, 01:06
Re: Interpolation to latitudeGary LaPook13 Nov 2009, 23:47
Re: Interpolation to latitudeGary LaPook13 Nov 2009, 16:18
Re: 'Intentional Error' Method of Navigating toDestination.Gary LaPook13 Nov 2009, 11:26
Re: Interpolation to latitudeGary LaPook13 Nov 2009, 11:16
Re: Interpolation to latitudeGary LaPook13 Nov 2009, 10:56
Re: 'Intentional Error' Method of Navigating toDestination.Gary LaPook13 Nov 2009, 10:45
Re: Choice of timepieceGary LaPook12 Nov 2009, 22:43
Re: Interpolation to latitudeGary LaPook12 Nov 2009, 22:21
Re: Wisconsin Maritime MuseumGary LaPook12 Nov 2009, 15:18
Re: Wisconsin Maritime MuseumGary LaPook11 Nov 2009, 10:00
Re: 'Intentional Error' Method of Navigating toDestination.Gary LaPook11 Nov 2009, 09:44
Re: Wisconsin Maritime MuseumGary LaPook11 Nov 2009, 05:10
Re: Wisconsin Maritime MuseumGary LaPook10 Nov 2009, 13:30
Re: Wisconsin Maritime MuseumGary LaPook10 Nov 2009, 05:53
Re: Wisconsin Maritime MuseumGary LaPook10 Nov 2009, 05:31
Re: Interpolation to latitudeGary LaPook10 Nov 2009, 05:18
Re: Amelia Earhart's aerial navigationGary LaPook8 Nov 2009, 19:26
Re: Amelia Earhart's aerial navigationGary LaPook8 Nov 2009, 19:22
Re: Amelia Earhart's aerial navigationGary LaPook8 Nov 2009, 19:21
Re: Amelia Earhart's aerial navigationGary LaPook8 Nov 2009, 12:23
Re: At the centre of timeGary LaPook24 Oct 2009, 15:33
Re: At the centre of timeGary LaPook24 Oct 2009, 15:25
Re: Amelia Earhart's aerial navigationGary LaPook24 Oct 2009, 15:07
Re: Polar navigationGary LaPook19 Oct 2009, 00:53
Re: Radar Plotting Sheet for PolarisGary LaPook19 Oct 2009, 00:51
Re: Polar navigationGary LaPook18 Oct 2009, 23:30
Re: Additional error found in H.O. 249Gary LaPook8 Oct 2009, 08:17
Re: Additional error found in H.O. 249Gary LaPook8 Oct 2009, 02:04
Re: Additional error found in H.O. 249Gary LaPook7 Oct 2009, 19:58
Re: Flight navigation websiteGary LaPook7 Oct 2009, 09:14
Additional error found in H.O. 249Gary LaPook7 Oct 2009, 08:32
Re: Astrolabes. was facing MeccaGary LaPook4 Oct 2009, 23:01
Flight navigation websiteGary LaPook2 Oct 2009, 21:05
Re: Allowing for current. was: Re:Noon sun fix exampleGary LaPook2 Oct 2009, 20:42
Re: Allowing for current. was: Re:Noon sun fix exampleGary LaPook2 Oct 2009, 20:32
Re: Time of meridian passage accuracyGary LaPook2 Oct 2009, 20:09
Re: Bygrave and MHR-1 locking mechanism constructionGary LaPook2 Oct 2009, 10:25
Re: Time of meridian passage accuracyGary LaPook2 Oct 2009, 09:00
Re: Time of meridian passage accuracyGary LaPook2 Oct 2009, 01:15
Re: Bygrave and MHR-1 locking mechanism constructionGary LaPook1 Oct 2009, 22:43
Re: Azimuthal equidistant gridGary LaPook1 Oct 2009, 17:43
Re: Time of meridian passage accuracyGary LaPook1 Oct 2009, 06:45
Re: Time of meridian passage accuracyGary LaPook1 Oct 2009, 04:19
Bygrave and MHR-1 locking mechanism constructionGary LaPook30 Sep 2009, 01:55
Re: Kollsman sextantGary LaPook29 Sep 2009, 11:31
Re: Kollsman sextantGary LaPook29 Sep 2009, 11:16
Re: Time of meridian passage accuracyGary LaPook28 Sep 2009, 17:18
Re: Time of meridian passage accuracyGary LaPook28 Sep 2009, 10:08
Re: How Many Chronometers?Gary LaPook26 Sep 2009, 09:43
Re: MHR1 dimensions and detailsGary LaPook24 Sep 2009, 20:22
Re: How Many Chronometers?Gary LaPook24 Sep 2009, 07:12
Re: Flight 19 routeGary LaPook23 Sep 2009, 09:05
Use of a stopwatch to time celestial sightsGary LaPook23 Sep 2009, 06:11
Re: Flight 19 routeGary LaPook22 Sep 2009, 13:11
Flight 19 RouteGary LaPook22 Sep 2009, 13:05
Re: Flight 19 routeGary LaPook22 Sep 2009, 13:03
Use of a stopwatch to time celestial sightsGary LaPook22 Sep 2009, 10:48
Re: Longitude by altitudes. was Re: How Many Chronometers?Gary LaPook22 Sep 2009, 10:41
Re: How Many Chronometers?Gary LaPook22 Sep 2009, 09:39
Re: How Many Chronometers?Gary LaPook21 Sep 2009, 19:48
Re: How Many Chronometers?Gary LaPook20 Sep 2009, 20:17
Re: How Many Chronometers?Gary LaPook20 Sep 2009, 19:55
Re: How Many Chronometers?Gary LaPook20 Sep 2009, 19:21
Re: How Many Chronometers?Gary LaPook20 Sep 2009, 19:11
Re: How Many Chronometers?Gary LaPook20 Sep 2009, 08:40
Re: How Many Chronometers?Gary LaPook16 Sep 2009, 17:37
Re: How Many Chronometers?Gary LaPook16 Sep 2009, 00:34
Re: How Many Chronometers?Gary LaPook15 Sep 2009, 18:13
Re: How Many Chronometers?Gary LaPook15 Sep 2009, 17:24
Re: How Many Chronometers?Gary LaPook15 Sep 2009, 17:06
Re: How Many Chronometers?Gary LaPook15 Sep 2009, 09:22
Re: Index Card for Trig/Log TableGary LaPook11 Sep 2009, 07:20
Re: Etymology of "loom"?Gary LaPook10 Sep 2009, 17:22
Re: Coriolis and gyrosGary LaPook8 Sep 2009, 10:50
Bygrave and AquinoGary LaPook6 Sep 2009, 15:21
Re: Searching the archive.Gary LaPook31 Aug 2009, 08:27
Re: Hughes Bubble sextant Mk IXAGary LaPook28 Aug 2009, 00:18
Re: Hughes Bubble sextant Mk IXAGary LaPook28 Aug 2009, 00:10
Re: Tracking down a referenceGary LaPook26 Aug 2009, 21:54
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook25 Aug 2009, 23:42
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook25 Aug 2009, 08:59
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook25 Aug 2009, 08:51
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook24 Aug 2009, 17:29
Searching the archive.Gary LaPook23 Aug 2009, 14:21
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook23 Aug 2009, 14:16
Re: Coriolis and gyros (second attempt)(typoscorrected)Gary LaPook23 Aug 2009, 14:10
Re: Coriolis and gyrosGary LaPook23 Aug 2009, 13:39
Re: missing messageGary LaPook21 Aug 2009, 07:23
Missing messageGary LaPook20 Aug 2009, 18:47
Missing messageGary LaPook20 Aug 2009, 18:43
[Fwd: Re: Coriolis and gyros]Gary LaPook20 Aug 2009, 18:33
Re: Coriolis and gyrosGary LaPook20 Aug 2009, 17:40
Re: The development of bubble sextantsGary LaPook20 Aug 2009, 09:33
Re: The development of bubble sextantsGary LaPook18 Aug 2009, 18:00
Re: The development of bubble sextantsGary LaPook18 Aug 2009, 13:12
Re: The development of bubble sextantsGary LaPook18 Aug 2009, 10:06
Re: Manufacture of BygravesGary LaPook17 Aug 2009, 21:43
Re: The development of bubble sextantsGary LaPook17 Aug 2009, 12:14
Re: The development of bubble sextantsGary LaPook16 Aug 2009, 22:59
Re: The development of bubble sextantsGary LaPook16 Aug 2009, 01:12
Re: The development of bubble sextantsGary LaPook15 Aug 2009, 23:51
Re: The development of bubble sextantsGary LaPook15 Aug 2009, 23:47
Re: The development of bubble sextantsGary LaPook15 Aug 2009, 10:59
Re: The development of bubble sextantsGary LaPook15 Aug 2009, 00:27
Re: The development of bubble sextantsGary LaPook15 Aug 2009, 00:07
Re: The development of bubble sextantsGary LaPook14 Aug 2009, 09:28
Re: slide rule sight reduction accuracyGary LaPook14 Aug 2009, 00:47
Re: Modifications to 2102-DGary LaPook13 Aug 2009, 21:24
Re: Fw: Grounding of cruiser PORT ROYALGary LaPook13 Aug 2009, 17:40
Re: Modifications to 2102-DGary LaPook13 Aug 2009, 17:15
Re: Modifications to 2102-DGary LaPook13 Aug 2009, 17:12
The development of bubble sextantsGary LaPook12 Aug 2009, 23:08
Re: Modifacation to 2102-DGary LaPook12 Aug 2009, 22:33
Re: typical standard deviation?Gary LaPook12 Aug 2009, 12:40
MARK 5 bubble sextant manualGary LaPook9 Aug 2009, 18:22
MK IX bubble sextant manualGary LaPook9 Aug 2009, 18:20
CHO-T (SNO-T) sextant manualGary LaPook9 Aug 2009, 18:17
Balldrop sextant manualGary LaPook9 Aug 2009, 18:14
A-12 bubble sextant manualGary LaPook9 Aug 2009, 16:19
A-6 bubble sextant manualGary LaPook9 Aug 2009, 16:15
A-5 and A-7 bubble sextant manualGary LaPook9 Aug 2009, 16:13
Manuals for Kollsman MA-1 sextantGary LaPook9 Aug 2009, 15:57
Re: kollsman periscopic sextantGary LaPook9 Aug 2009, 15:49
Re: kollsman periscopic sextantGary LaPook9 Aug 2009, 15:21
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:50
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:39
Re: Modifacation to 2102-DGary LaPook7 Aug 2009, 22:20
Manufacture of BygravesGary LaPook6 Aug 2009, 03:19
Re: Bygrave and ChichesterGary LaPook5 Aug 2009, 22:39
Re: Magnetic Variation (Declination) CalculatorGary LaPook5 Aug 2009, 09:25
Polaris LOPGary LaPook4 Aug 2009, 08:34
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 17:14
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:43
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:22
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:44
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:27
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:03
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 18:18
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 16:03
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 15:57
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 15:35
Bygrave and ChichesterGary LaPook1 Aug 2009, 01:59
Re: Airbus celestial portholeGary LaPook1 Aug 2009, 01:49
Re: Periscopic Sextant. Henry Hughes and SonGary LaPook1 Aug 2009, 00:34
Re: The BygraveGary LaPook1 Aug 2009, 00:24
Re: The BygraveGary LaPook1 Aug 2009, 00:23
Re: Periscopic Sextant. Henry Hughes and SonGary LaPook31 Jul 2009, 08:44
Re: The BygraveGary LaPook26 Jul 2009, 17:03
Re: The BygraveGary LaPook23 Jul 2009, 00:27
Re: Collimation testGary LaPook21 Jul 2009, 16:29
Re: Collimation testGary LaPook21 Jul 2009, 12:17
Re: "Marine Navigation" by Weems. was: Re: "A history of marine navigation" by Per CollinderGary LaPook19 Jul 2009, 18:15
Re: BygravesGary LaPook16 Jul 2009, 23:45
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 22:43
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 21:06
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:50
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:24
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:06
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 18:26
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 11:05
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 03:19
Re: "Attainment of Precision" article (1964)Gary LaPook8 Jul 2009, 11:37
Re: Accuracy of BygraveGary LaPook8 Jul 2009, 05:47
Shipwreck of Admiral ShovellGary LaPook8 Jul 2009, 05:45
The shipwreck of Admiral ShovellGary LaPook8 Jul 2009, 05:24
Re: Bygrave formula accuracy on 10 inch slide ruleGary LaPook8 Jul 2009, 05:06
Re: The BygraveGary LaPook8 Jul 2009, 01:55
Re: The BygraveGary LaPook7 Jul 2009, 05:28
Re: Starting new threadsGary LaPook7 Jul 2009, 04:36
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 19:28
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 18:01
Flight navigation reference worksGary LaPook6 Jul 2009, 17:56
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 07:05
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 06:24
Accuracy of BygraveGary LaPook6 Jul 2009, 05:49
Re: Manufacture new Bygraves?Gary LaPook6 Jul 2009, 05:34
Re: Manufacture new Bygraves?Gary LaPook5 Jul 2009, 14:28
Re: The BygraveGary LaPook5 Jul 2009, 14:00
Re: Starting new threadsGary LaPook5 Jul 2009, 02:03
Re: Manufacture new Bygraves?Gary LaPook4 Jul 2009, 20:59
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:32
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:29
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:02
Re: Magnifiers for K&E slide rulesGary LaPook1 Jul 2009, 15:47
Starting new threadsGary LaPook30 Jun 2009, 18:56
Re: Star-star distances for arc errorGary LaPook29 Jun 2009, 17:41
Re: Star-star distances for arc errorGary LaPook29 Jun 2009, 17:18
Re: Formulas to Compute LHAGary LaPook29 Jun 2009, 09:53
Re: Formulas to Compute LHAGary LaPook28 Jun 2009, 08:31
Re: Formulas to Compute LHAGary LaPook28 Jun 2009, 05:56
Re: Star-star distances for arc errorGary LaPook27 Jun 2009, 11:21
Re: Star-star distances for arc errorGary LaPook26 Jun 2009, 08:43
Re: Formulas to Compute LHAGary LaPook24 Jun 2009, 12:07
Re: Formulas to Compute LHAGary LaPook23 Jun 2009, 19:32
Re: A-10 Sextant ManualGary LaPook20 Jun 2009, 04:30
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 23:25
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 20:32
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 11:05
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 10:50
Re: A-10 Sextant ManualGary LaPook19 Jun 2009, 10:35
Re: slide rule sight reduction accuracyGary LaPook18 Jun 2009, 10:07
Re: slide rule sight reduction accuracyGary LaPook18 Jun 2009, 10:04
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 18:33
Re: A-10 Sextant ManualGary LaPook17 Jun 2009, 18:24
Re: A-10 Sextant ManualGary LaPook17 Jun 2009, 12:16
Re: A-10 Sextant ManualGary LaPook17 Jun 2009, 12:09
Re: A-10 Sextant ManualGary LaPook17 Jun 2009, 11:58
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:15
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:13
Re: slide rule sight reduction accuracyGary LaPook17 Jun 2009, 00:09
Re: slide rule sight reduction accuracyGary LaPook16 Jun 2009, 23:32
Re: A-10 Sextant ManualGary LaPook14 Jun 2009, 20:56
Re: A-10 Sextant ManualGary LaPook12 Jun 2009, 16:42
Re: A-10 Sextant ManualGary LaPook12 Jun 2009, 08:14
Re: A-10 Sextant ManualGary LaPook11 Jun 2009, 16:12
Re: A-10 Sextant ManualGary LaPook11 Jun 2009, 15:21
Re: A-10 Sextant ManualGary LaPook11 Jun 2009, 15:13
Re: Tratado de Navegacion - Mendoza y Rios. 1787Gary LaPook11 Jun 2009, 13:36
Re: A-10 Sextant ManualGary LaPook11 Jun 2009, 02:01
Re: A-10 Sextant ManualGary LaPook10 Jun 2009, 16:29
Re: A-10 Sextant ManualGary LaPook10 Jun 2009, 04:58
A-10 Sextant ManualGary LaPook8 Jun 2009, 21:50
Re: Bubble sextants on e-bayGary LaPook8 Jun 2009, 21:32
Re: Bubble sextants on e-bayGary LaPook7 Jun 2009, 19:12
Re: Bubble sextants on e-bayGary LaPook7 Jun 2009, 18:10
Re: Bubble sextants on e-bayGary LaPook6 Jun 2009, 22:29
Re: New to the listGary LaPook4 Jun 2009, 00:21
Re: The Bygrave Slide RuleGary LaPook2 Jun 2009, 11:36
Re: Slide Rule AzimuthGary LaPook2 Jun 2009, 08:06
Re: twilight computerGary LaPook31 May 2009, 09:18
Re: Slide Rule AzimuthGary LaPook31 May 2009, 07:29
Re: Slide Rule AzimuthGary LaPook30 May 2009, 12:12
Re: recommendation for slide rule ?Gary LaPook30 May 2009, 10:49
Re: The Bygrave Slide ruleGary LaPook30 May 2009, 01:24
Re: recommendation for slide rule ?Gary LaPook29 May 2009, 10:50
Re: Arg 1 Ww 11 U Boat Navigation Device Ebay Itemnumber: 370193239339Gary LaPook29 May 2009, 06:36
Re: Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRulerGary LaPook29 May 2009, 06:35
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 19:35
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 11:23
Re: 10 inch Slide Rule vs. Pocket CalculatorGary LaPook28 May 2009, 09:54
Re: 10 inch Slide Rule vs. Pocket CalculatorGary LaPook28 May 2009, 09:48
Re: Dennert & Pape MHR-1 HR-2 Cylindrical Slide Line RulerGary LaPook25 May 2009, 21:12
Re: recommendation for slide rule ?Gary LaPook25 May 2009, 20:57
Re: recommendation for slide rule ?Gary LaPook24 May 2009, 21:48
Re: Arg 1 Ww 11 U Boat Navigation Device Ebay Item Number: 370193239339Gary LaPook23 May 2009, 17:01
Re: Arg 1 Ww 11 U Boat Navigationdevice Ebay Item Number: 370193239339Gary LaPook23 May 2009, 10:45
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 07:35
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 05:20
Re: recommendation for slide rule ?Gary LaPook22 May 2009, 00:23
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 23:47
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:26
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:20
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:20
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:51
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:28
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:17
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:10
Re: recommendation for slide rule ?Gary LaPook20 May 2009, 23:05
Re: recommendation for slide rule ?Gary LaPook20 May 2009, 22:59
Re: recommendation for slide rule ?Gary LaPook18 May 2009, 01:21
Re: An 5851Gary LaPook14 May 2009, 22:42
An 5851Gary LaPook14 May 2009, 22:28
Re: Learn the stars, by phoneGary LaPook14 May 2009, 21:06
Re: Lat/Lon by "Noon Sun" & The Noon Fix PROVE ITGary LaPook12 May 2009, 21:07
Re: How Many Chronometers?Gary LaPook11 May 2009, 09:17
Re: Latitude by Noon Sun for BeginnersGary LaPook29 Apr 2009, 22:20
Re: Latitude by Noon Sun for BeginnersGary LaPook29 Apr 2009, 08:30
Re: Latitude by Noon Sun for BeginnersGary LaPook29 Apr 2009, 03:47
Re: Lat/Long by Noon SunGary LaPook27 Apr 2009, 22:15
Brandis SextantGary LaPook27 Apr 2009, 21:26
Re: Lat/Long by Noon SunGary LaPook27 Apr 2009, 01:11
Re: Artificial horizon questionGary LaPook20 Apr 2009, 21:48
Re: Artificial horizon questionGary LaPook20 Apr 2009, 09:51
Re: Artificial horizon questionGary LaPook20 Apr 2009, 01:44
Re: Modifications to 2102-DGary LaPook18 Apr 2009, 23:52
Re: Modifications to 2102-DGary LaPook17 Apr 2009, 21:41
Modifications to 2102-DGary LaPook17 Apr 2009, 02:11
Re: Lat/Lon by "Noon Sun" & The Noon Fix PROVE ITGary LaPook16 Apr 2009, 20:14
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 23:25
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 22:28
Re: The Noon FixGary LaPook11 Apr 2009, 22:15
Re: The Noon FixGary LaPook11 Apr 2009, 19:54
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:52
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:19
Re: New compact backup CELNAV systemGary LaPook10 Apr 2009, 21:22
Re: The Noon FixGary LaPook10 Apr 2009, 18:38
Re: NasrGary LaPook29 Mar 2009, 23:15
Re: HO249 errors status?Gary LaPook27 Mar 2009, 21:35
Re: Loran-CGary LaPook20 Mar 2009, 18:33
Re: New compact backup CELNAV systemGary LaPook17 Mar 2009, 23:26
Re: (Re: Navigation in Fog)SKY COMPASSGary LaPook15 Mar 2009, 22:51
Re: Sky compass (polarizing sunlight compass)Gary LaPook9 Mar 2009, 20:26
Re: Sky compass (polarizing sunlight compass)Gary LaPook9 Mar 2009, 20:19
Re: Brygrave slide rule for compact CELNAV backupsystemGary LaPook8 Mar 2009, 18:11
Re: New compact backup CELNAV systemGary LaPook7 Mar 2009, 22:39
Brygrave slide rule for compact CELNAV backup systemGary LaPook7 Mar 2009, 17:43
Re: New compact backup CELNAV systemGary LaPook3 Mar 2009, 11:00
Re: New compact backup CELNAV systemGary LaPook2 Mar 2009, 03:03
Re: New compact backup CELNAV systemGary LaPook1 Mar 2009, 23:24
Multi-hull sailingGary LaPook1 Mar 2009, 07:22
Re: New compact backup CELNAV systemGary LaPook1 Mar 2009, 01:22
Re: New compact backup CELNAV systemGary LaPook28 Feb 2009, 06:29
Re: New compact backup CELNAV systemGary LaPook27 Feb 2009, 19:31
Re: New compact backup CELNAV systemGary LaPook27 Feb 2009, 19:19
Re: New compact backup CELNAV systemGary LaPook27 Feb 2009, 18:34
Re: New compact backup CELNAV systemGary LaPook27 Feb 2009, 09:37
Re: New compact backup CELNAV systemGary LaPook26 Feb 2009, 08:21
Re: New compact backup CELNAV systemGary LaPook26 Feb 2009, 06:54
Re: New compact backup CELNAV systemGary LaPook25 Feb 2009, 21:39
Re: New compact backup CELNAV systemGary LaPook25 Feb 2009, 05:51
Re: New compact backup CELNAV systemGary LaPook24 Feb 2009, 22:28
Re: problem postingGary LaPook24 Feb 2009, 20:47
Re: New compact backup CELNAV systemGary LaPook24 Feb 2009, 20:28
New compact backup CELNAV systemGary LaPook24 Feb 2009, 20:13
New compact backup CELNAV system (changed for archive)Gary LaPook24 Feb 2009, 20:06
Problem postingGary LaPook24 Feb 2009, 12:36
Re: Precomputed LOP for sailboat landfallGary LaPook22 Feb 2009, 20:19
Re: FW: [San Francisco Sailing] reusing old nauticalalmanacsGary LaPook22 Feb 2009, 20:15
Re: Universal plotting sheetGary LaPook22 Feb 2009, 07:54
Re: Sights, Errors ,and tthe A-12Gary LaPook20 Feb 2009, 22:03
Re: Some SitesGary LaPook20 Feb 2009, 08:20
Re: HO249 errors status?Gary LaPook19 Feb 2009, 01:54
Re: Cylindrical Slide RulesGary LaPook15 Feb 2009, 08:31
Re: Cylindrical Slide RulesGary LaPook12 Feb 2009, 13:50
Re: How flat do sextant mirrors need to be?Gary LaPook31 Jan 2009, 01:24
Re: Newbie Question - Parallel LOPsGary LaPook30 Jan 2009, 16:10
Re: chronometer dials: 12 or 24 hours?Gary LaPook21 Jan 2009, 06:26
Re: ChartsGary LaPook20 Jan 2009, 02:37
Re: Size of a nautical mileGary LaPook15 Jan 2009, 22:38
Re: Size of a nautical mileGary LaPook15 Jan 2009, 22:22
Re: FW: Re: Chronometer SuggestionsGary LaPook15 Jan 2009, 22:12
Re: FW: Re: Chronometer SuggestionsGary LaPook15 Jan 2009, 21:33
Re: FW: Re: Chronometer SuggestionsGary LaPook15 Jan 2009, 20:09
Re: FW: Re: Chronometer SuggestionsGary LaPook15 Jan 2009, 08:24
Re: FW: Re: Chronometer SuggestionsGary LaPook15 Jan 2009, 01:34
Re: FW: Re: Chronometer SuggestionsGary LaPook10 Jan 2009, 07:31
Re: Chronometer SuggestionsGary LaPook6 Jan 2009, 23:53
Re: Chronometer SuggestionsGary LaPook6 Jan 2009, 23:45
Re: Chronometer SuggestionsGary LaPook6 Jan 2009, 23:25
Re: Chronometer SuggestionsGary LaPook6 Jan 2009, 21:15
Re: Chronometer SuggestionsGary LaPook6 Jan 2009, 20:48
Re: Leap seconds at Big Ben.Gary LaPook6 Jan 2009, 09:03
Re: Leap secondsGary LaPook4 Jan 2009, 11:06
Re: Leap secondsGary LaPook4 Jan 2009, 05:42
Re: bubble sextant manual scanned, put on webGary LaPook31 Dec 2008, 08:32
Re: Leap secondsGary LaPook30 Dec 2008, 21:52
Re: Info on Kollsman 6226-1972-01 bubble, 2 powerGary LaPook28 Dec 2008, 05:07
Re: Regarding fix bearingsGary LaPook26 Dec 2008, 09:55
Re: Regarding fix bearingsGary LaPook21 Dec 2008, 22:34
Re: Fw: Chichester's Calculations ( Sine-Cosinemethod)Gary LaPook21 Dec 2008, 11:45
Re: Regarding fix bearingsGary LaPook21 Dec 2008, 09:59
Re: With the fleetGary LaPook20 Dec 2008, 17:57
Re: Bubble SextantsGary LaPook16 Dec 2008, 19:23
Re: Bubble SextantsGary LaPook16 Dec 2008, 17:55
Re: Bubble SextantsGary LaPook16 Dec 2008, 10:49
Re: Fw: Chichester's Calculations ( comparisons ofsight reduction methods)Gary LaPook16 Dec 2008, 01:33
Re: Fw: Chichester's Calculations ( Sine-Cosinemethod)Gary LaPook15 Dec 2008, 11:13
Re: Fw: Chichester's Calculations ( Sine-Cosinemethod)Gary LaPook15 Dec 2008, 10:01
Re: sextants on aeroplanesGary LaPook14 Dec 2008, 01:00
Re: sextants on aeroplanesGary LaPook13 Dec 2008, 16:16
See the moon tonightGary LaPook12 Dec 2008, 19:49
Re: Fw: ChichesterGary LaPook12 Dec 2008, 11:57
Re: Fw: Chichester's Calculations ( Sine-Cosinemethod)Gary LaPook12 Dec 2008, 11:44
Re: Fw: Chichester's Calculations ( Sine-Cosinemethod)Gary LaPook10 Dec 2008, 10:47
Re: Fw: Chichester's Calculations ( correction)Gary LaPook9 Dec 2008, 19:20
Re: Fw: Chichester's CalculationsGary LaPook9 Dec 2008, 09:54
Re: Fw: Chichester's CalculationsGary LaPook9 Dec 2008, 05:17
Re: Fw: Chichester's CalculationsGary LaPook8 Dec 2008, 08:52
Re: chichester's calculationsGary LaPook7 Dec 2008, 01:21
Re: Dip errorGary LaPook5 Dec 2008, 08:42
Re: Dip errorGary LaPook4 Dec 2008, 22:34
Re: sextants on aeroplanesGary LaPook3 Dec 2008, 10:29
Re: Venus, Jupiter, and the MoonGary LaPook3 Dec 2008, 06:53
Re: Site detailsGary LaPook30 Nov 2008, 12:11
Re: Site detailsGary LaPook30 Nov 2008, 12:04
Re: sextants on aeroplanesGary LaPook29 Nov 2008, 10:57
Re: Yrvind folding sextantGary LaPook26 Nov 2008, 18:29
Re: Digital Camera Sextant HybridGary LaPook24 Nov 2008, 21:18
Re: Digital Camera Sextant HybridGary LaPook24 Nov 2008, 11:31
Re: Digital Camera Sextant HybridGary LaPook24 Nov 2008, 08:27
Re: sextants on aeroplanesGary LaPook19 Nov 2008, 10:18
Re: Need help to track down errorsGary LaPook17 Nov 2008, 12:12
Re: Some navigational news storiesGary LaPook16 Nov 2008, 19:29
Re: Can someone identify thisGary LaPook15 Nov 2008, 17:29
Re: Can someone identify thisGary LaPook15 Nov 2008, 01:24
Re: Can someone identify thisGary LaPook14 Nov 2008, 23:29
Re: Need help to track down errorsGary LaPook14 Nov 2008, 19:40
Re: Can someone identify thisGary LaPook14 Nov 2008, 03:25
Re: Need help to track down errorsGary LaPook13 Nov 2008, 20:06
Re: Need help to track down errorsGary LaPook13 Nov 2008, 19:57
Re: Need help to track down errorsGary LaPook13 Nov 2008, 19:54
Re: Need help to track down errorsGary LaPook13 Nov 2008, 13:14
Re: Need help to track down errorsGary LaPook13 Nov 2008, 13:12
Re: Need help to track down errorsGary LaPook13 Nov 2008, 11:34
Re: Can someone identify thisGary LaPook13 Nov 2008, 10:25
Re: Need help to track down errorsGary LaPook13 Nov 2008, 10:02
Re: Need help to track down errorsGary LaPook13 Nov 2008, 09:56
Re: Another GPS-aided accidentGary LaPook11 Nov 2008, 18:18
Re: Another GPS-aided accidentGary LaPook11 Nov 2008, 18:13
Re: Using Polaris to check sextant sights.Gary LaPook11 Nov 2008, 18:09
Re: Using Polaris to check sextant sights.Gary LaPook10 Nov 2008, 20:15
Re: Using Polaris to check sextant sights.Gary LaPook10 Nov 2008, 20:04
Re: Using Polaris to check sextant sights.Gary LaPook10 Nov 2008, 20:01
Using Polaris to check sextant sights.Gary LaPook10 Nov 2008, 20:00
Where to obtain the Air AlmanacGary LaPook10 Nov 2008, 19:54
Re: The Moon and bubble sextantGary LaPook10 Nov 2008, 09:30
Re: The Moon and bubble sextantGary LaPook10 Nov 2008, 08:41
Re: Kollsman periscopic pendulous sextantGary LaPook22 Oct 2008, 09:20
Re: Error to Printed HO 249 Volume 2Gary LaPook22 Oct 2008, 08:31
Re: Error to Printed HO 249 Volume 2Gary LaPook21 Oct 2008, 06:54
Bygrave slide ruleGary LaPook27 Sep 2008, 11:01
Re: Index error by a star-star distanceGary LaPook22 Sep 2008, 17:52
Re: Hybrid Artificial HorizonGary LaPook13 Sep 2008, 22:42
Re: Hybrid Artificial HorizonGary LaPook13 Sep 2008, 07:35
Re: Hybrid Artificial HorizonGary LaPook13 Sep 2008, 05:24
Re: A-12 etc.Gary LaPook4 Sep 2008, 07:32
Re: A-12 etc.Gary LaPook4 Sep 2008, 07:30
Proper method of taking a sun line from a boatGary LaPook4 Sep 2008, 07:13
Re: Polaris SHAGary LaPook4 Sep 2008, 06:40
Re: Kollsman periscopic pendulous sextantGary LaPook1 Sep 2008, 08:51
Re: Kollsman periscopic pendulous sextantGary LaPook1 Sep 2008, 07:03
Re: Kollsman periscopic pendulous sextantGary LaPook1 Sep 2008, 07:01
Re: Kollsman periscopic pendulous sextantGary LaPook1 Sep 2008, 07:01
Re: Kollsman periscopic pendulous sextantGary LaPook1 Sep 2008, 04:00
Re: Kollsman periscopic pendulous sextantGary LaPook31 Aug 2008, 19:27
Re: Kollsman periscopic pendulous sextantGary LaPook31 Aug 2008, 02:49
Re: Kollsman periscopic pendulous sextantGary LaPook29 Aug 2008, 05:45
Re: accuracy of glass artificial horizon figureGary LaPook23 Aug 2008, 01:12
Re: accuracy of glass artificial horizon figureGary LaPook22 Aug 2008, 08:42
Re: accuracy of glass artificial horizon figureGary LaPook21 Aug 2008, 17:19
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook21 Aug 2008, 16:08
Re: Celestial up in the airGary LaPook20 Aug 2008, 20:04
Re: MA-1 pendulous mirror sextant on ebayGary LaPook20 Aug 2008, 03:45
Re: Bubble SextantGary LaPook20 Aug 2008, 03:44
MA-1 pendulous mirror sextant on ebayGary LaPook19 Aug 2008, 19:30
Re: Bubble SextantGary LaPook19 Aug 2008, 19:29
Re: Bubble SextantGary LaPook19 Aug 2008, 08:14
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook18 Aug 2008, 21:34
Re: Circular "Navigational Computer"Gary LaPook18 Aug 2008, 21:31
Re: Character Test - Degree SymbolGary LaPook18 Aug 2008, 21:21
Re: Dalton E6B Dead Reckoning ComputerGary LaPook18 Aug 2008, 10:05
Re: line of position computerGary LaPook18 Aug 2008, 08:41
Re: Polhemus computerGary LaPook9 Aug 2008, 23:24
Re: Celestial up in the airGary LaPook9 Aug 2008, 23:21
Re: Circular "Navigational Computer"Gary LaPook6 Aug 2008, 11:08
Re: Polhemus computerGary LaPook6 Aug 2008, 09:19
Re: Celestial up in the airGary LaPook6 Aug 2008, 08:52
Re: Dalton E6B Dead Reckoning ComputerGary LaPook3 Aug 2008, 01:35
Re: Dalton E6B Dead Reckoning ComputerGary LaPook3 Aug 2008, 01:14
Re: Dalton E6B Dead Reckoning ComputerGary LaPook3 Aug 2008, 00:42
Re: Dalton E6B Dead Reckoning ComputerGary LaPook2 Aug 2008, 19:44
Taking four stars for checking accuracy of fixGary LaPook1 Aug 2008, 10:44
Re: Star IdentificationGary LaPook31 Jul 2008, 00:56
Re: Star IdentificationGary LaPook30 Jul 2008, 09:09
Re: Star IdentificationGary LaPook30 Jul 2008, 08:44
Re: Celestial up in the airGary LaPook29 Jul 2008, 02:20
Re: Celestial up in the airGary LaPook28 Jul 2008, 23:43
Re: Celestial up in the airGary LaPook28 Jul 2008, 12:30
Re: Celestial up in the airGary LaPook28 Jul 2008, 12:24
Re: Celestial up in the airGary LaPook26 Jul 2008, 02:48
Re: Celestial up in the airGary LaPook25 Jul 2008, 10:10
Re: An attachment on attachmentsGary LaPook25 Jul 2008, 07:49
Re: Polhemus computerGary LaPook24 Jul 2008, 09:39
Re: Celestial up in the airGary LaPook24 Jul 2008, 09:34
Re: Exercise #16 High Altitude Sights near NoonGary LaPook24 Jul 2008, 05:56
Re: LOP by Sextant Box ShadowGary LaPook23 Jul 2008, 19:43
Re: Celestial up in the airGary LaPook23 Jul 2008, 09:58
Re: LOP by Sextant Box ShadowGary LaPook23 Jul 2008, 06:07
Re: LOP by Sextant Box ShadowGary LaPook22 Jul 2008, 07:20
Re: LOP by Sextant Box ShadowGary LaPook19 Jul 2008, 23:52
Re: What time is it, really?Gary LaPook18 Jul 2008, 21:21
Re: What time is it, really?Gary LaPook18 Jul 2008, 20:35
Re: What time is it, really?Gary LaPook18 Jul 2008, 08:28
Re: What time is it, really?Gary LaPook18 Jul 2008, 06:36
Re: Polhemus computerGary LaPook15 Jul 2008, 19:49
Polhemus computerGary LaPook15 Jul 2008, 11:12
Re: Celestial up in the airGary LaPook15 Jul 2008, 03:01
Re: Bubble SextantGary LaPook14 Jul 2008, 20:10
Re: Celestial up in the airGary LaPook14 Jul 2008, 02:24
Re: Celestial up in the airGary LaPook14 Jul 2008, 02:06
Re: Celestial up in the airGary LaPook13 Jul 2008, 21:46
Re: Bubble SextantGary LaPook13 Jul 2008, 07:12
Re: Celestial up in the airGary LaPook12 Jul 2008, 18:16
Re: Bubble SextantGary LaPook11 Jul 2008, 20:05
Re: Bubble SextantGary LaPook11 Jul 2008, 18:56
Re: Bubble SextantGary LaPook11 Jul 2008, 01:54
Re: Noon sight for longitudeGary LaPook11 Jul 2008, 01:40
Re: Bubble SextantGary LaPook11 Jul 2008, 01:45
Noon sight for longitudeGary LaPook10 Jul 2008, 06:13
Re: Why no interpolation for Latitude/LHA in sightreduction tables?Gary LaPook9 Jul 2008, 10:15
Re: Why no interpolation for Latitude/LHA in sightreduction tables?Gary LaPook6 Jul 2008, 07:07
Re: Why no interpolation for Latitude/LHA in sightreduction tables?Gary LaPook6 Jul 2008, 06:52
Re: Bubble SextantGary LaPook5 Jul 2008, 10:19
Re: Bubble SextantGary LaPook5 Jul 2008, 10:14
Re: A little vanityGary LaPook3 Jul 2008, 05:45
Re: Why no interpolation for Latitude/LHA in sightreduction tables?Gary LaPook30 Jun 2008, 03:30
Re: Circular "Navigational Computer"Gary LaPook26 Jun 2008, 13:41
Re: Circular "Navigational Computer"Gary LaPook26 Jun 2008, 13:36
Re: Circular "Navigational Computer"Gary LaPook22 Jun 2008, 05:54
Re: sight reduction calculatorGary LaPook22 Jun 2008, 05:45
Re: Circular "Navigational Computer"Gary LaPook22 Jun 2008, 05:37
A-12 manualGary LaPook21 Jun 2008, 06:19
Re: longitude around noon (a twist)Gary LaPook21 Jun 2008, 05:52
Re: Circular "Navigational Computer"Gary LaPook21 Jun 2008, 04:57
Re: What do "d" and "v" really stand for?Gary LaPook21 Jun 2008, 04:50
Re: What do "d" and "v" really stand for?Gary LaPook20 Jun 2008, 14:34
Re: Course to steer. Has anybody come across thislittle rule of thumb before?Gary LaPook20 Jun 2008, 05:55
Re: sight reduction calculatorGary LaPook20 Jun 2008, 05:51
Re: What do "d" and "v" really stand for?Gary LaPook20 Jun 2008, 05:41
Re: What do "d" and "v" really stand for?Gary LaPook20 Jun 2008, 05:29
Re: What do "d" and "v" really stand for?Gary LaPook20 Jun 2008, 04:35
Re: What do "d" and "v" really stand for?Gary LaPook20 Jun 2008, 03:41
Re: sight reduction calculatorGary LaPook19 Jun 2008, 21:48
Re: accurate sextantGary LaPook19 Jun 2008, 13:36
Re: sight reduction calculatorGary LaPook19 Jun 2008, 13:15
Re: Course to steer. Has anybody come across thislittle rule of thumb before?Gary LaPook19 Jun 2008, 04:53
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook16 Jun 2008, 13:23
Re: Bygrave slide rule , o-rings, circular slide rulesGary LaPook15 Jun 2008, 12:29
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook15 Jun 2008, 05:11
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook15 Jun 2008, 05:04
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook15 Jun 2008, 04:19
Re: Circular "Navigational Computer"Gary LaPook15 Jun 2008, 01:19
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook14 Jun 2008, 14:13
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook14 Jun 2008, 08:03
Re: 3-Star Fix - "Canned Survival Problem"Gary LaPook14 Jun 2008, 07:44
Re: Centerless SextantGary LaPook14 Jun 2008, 00:57
Re: Nav Weekend UpdatesGary LaPook13 Jun 2008, 12:53
Re: Pub. 229 vs. 249 table formatsGary LaPook6 Jun 2008, 03:12
Re: Character Test - Degree SymbolGary LaPook6 Jun 2008, 02:58
Re: Character Test - Degree SymbolGary LaPook5 Jun 2008, 13:21
Login problemsGary LaPook5 Jun 2008, 05:15
Noon sight for longitudeGary LaPook5 Jun 2008, 03:05
Bumstead sun compassGary LaPook5 Jun 2008, 03:04
Re: Character Test - Degree SymbolGary LaPook5 Jun 2008, 02:28
Re: Plotting toolsGary LaPook30 May 2008, 12:24
Re: Plotting DR CoursesGary LaPook28 May 2008, 04:30
Re: Plotting DR CoursesGary LaPook28 May 2008, 04:23
Re: Plotting toolsGary LaPook28 May 2008, 02:57
Re: Nav Exercise #3- Azimuth of the SunGary LaPook28 May 2008, 02:14
Re: Nav Exercise #3- Azimuth of the SunGary LaPook27 May 2008, 04:23
Re: Navigation exerciseGary LaPook26 May 2008, 05:07
Re: IntroductionGary LaPook5 May 2008, 06:51
Re: IntroductionGary LaPook4 May 2008, 15:52
Re: IntroductionGary LaPook4 May 2008, 15:31
Re: IntroductionGary LaPook1 May 2008, 20:04
Re: IntroductionGary LaPook1 May 2008, 20:03
Re: Pilot chartsGary LaPook30 Apr 2008, 19:06
Re: Pilot chartsGary LaPook17 Apr 2008, 06:06
Re: Pilot chartsGary LaPook17 Apr 2008, 05:39
Re: Navigation without Leap SecondsGary LaPook15 Apr 2008, 23:50
Re: Pilot chartsGary LaPook15 Apr 2008, 23:43
Pilot chartsGary LaPook15 Apr 2008, 23:29
Re: Navigation without Leap SecondsGary LaPook15 Apr 2008, 23:27
Re: Navigation without Leap SecondsGary LaPook15 Apr 2008, 20:04
Re: Navigation without Leap SecondsGary LaPook15 Apr 2008, 20:00
Re: Haversine formulaGary LaPook8 Apr 2008, 16:25
Re: What is a degree of latitude?Gary LaPook24 Mar 2008, 00:52
Re: Ball Recording Sextant Mark 1 Mod. 0Gary LaPook20 Mar 2008, 06:33
Re: Ball Recording Sextant Mark 1 Mod. 0Gary LaPook19 Mar 2008, 22:45
Re: Ball Recording Sextant Mark 1 Mod. 0Gary LaPook19 Mar 2008, 18:18
Re: Celestial Navigation without a sextant.Gary LaPook12 Mar 2008, 10:19
Re: Navigation "simplified". was: Buckley theNavigatorGary LaPook9 Mar 2008, 21:17
Re: Buckley the NavigatorGary LaPook8 Mar 2008, 20:03
Re: Buckley the NavigatorGary LaPook8 Mar 2008, 20:03
Re: Celestial Navigation without a sextant.Gary LaPook8 Mar 2008, 11:17
Re: Buckley the NavigatorGary LaPook8 Mar 2008, 10:33
Re: Buckley the NavigatorGary LaPook3 Mar 2008, 00:23
Re: accurate sextantGary LaPook23 Feb 2008, 01:20
Re: Captain Bligh's other mutinyGary LaPook23 Jan 2008, 09:57
Re: Sextants in the newsGary LaPook23 Jan 2008, 01:01
Re: Interesting siteGary LaPook15 Jan 2008, 22:23
Re: theodolitesGary LaPook8 Jan 2008, 22:07
Re: The End of Celestial Navigation??Gary LaPook4 Jan 2008, 21:24
Re: The End of Celestial Navigation??Gary LaPook4 Jan 2008, 17:43
Re: Exhibit: Finding Our Place in the WorldGary LaPook1 Jan 2008, 13:52
Re: Sextant calibration in the workshopGary LaPook28 Dec 2007, 20:42
Re: Japanese Navy Type 2 bubble sextantGary LaPook27 Dec 2007, 19:28
Re: Navigation without dead reckoningGary LaPook23 Dec 2007, 21:54
Re: Japanese Navy Type 2 bubble sextantGary LaPook22 Dec 2007, 20:57
Re: sight reduction tablesGary LaPook21 Dec 2007, 10:10
Re: Additional corrections to the sextant altitude inair navigationGary LaPook15 Dec 2007, 23:34
Re: Additional corrections to the sextant altitude inair navigationGary LaPook15 Dec 2007, 23:09
Re: Additional corrections to the sextant altitude inair navigationGary LaPook14 Dec 2007, 17:32
Re: Additional corrections to the sextant altitude inair navigationGary LaPook14 Dec 2007, 11:48
Re: RefractionGary LaPook13 Dec 2007, 00:16
Re: Certain Errors in "Certaine Errors".Gary LaPook12 Dec 2007, 00:58
Re: Certain Errors in "Certaine Errors".Gary LaPook12 Dec 2007, 00:56
Re: Certain Errors in "Certaine Errors".Gary LaPook11 Dec 2007, 23:25
Re: A-10 Sextant Maintenance ManualGary LaPook11 Dec 2007, 08:54
Re: nomograms for altitude correctionGary LaPook11 Dec 2007, 08:42
Re: RefractionGary LaPook11 Dec 2007, 08:30
Re: Certaine Errors in Navigation CorrectedGary LaPook10 Dec 2007, 19:50
Re: Certaine Errors in Navigation CorrectedGary LaPook10 Dec 2007, 19:44
Re: Certaine Errors in Navigation CorrectedGary LaPook10 Dec 2007, 01:52
Re: A-10 Sextant Maintenance ManualGary LaPook7 Dec 2007, 21:59
Re: Wright's "Certaine Errors In Navigation" isavailableGary LaPook7 Dec 2007, 20:09
Re: automatic celestial navigationGary LaPook7 Dec 2007, 07:21
Re: automatic celestial navigationGary LaPook7 Dec 2007, 07:09
Re: automatic celestial navigationGary LaPook6 Dec 2007, 20:28
Wright's "Certaine Errors In Navigation" is availableGary LaPook6 Dec 2007, 19:54
Re: Certaine Errors in Navigation CorrectedGary LaPook6 Dec 2007, 19:53
Re: Certaine Errors in Navigation CorrectedGary LaPook5 Dec 2007, 04:03
Re: Certaine Errors in Navigation CorrectedGary LaPook5 Dec 2007, 00:55
Re: Certaine Errors in Navigation CorrectedGary LaPook4 Dec 2007, 09:18
Re: Certaine Errors in Navigation CorrectedGary LaPook4 Dec 2007, 08:44
Re: Wright's 1599 Chart showing ScilliesGary LaPook30 Nov 2007, 00:57
Re: Errors in online version of HO249Gary LaPook29 Nov 2007, 19:04
Re: Errors in online version of HO249Gary LaPook29 Nov 2007, 18:53
Re: Children's land-locked "Sextant"Gary LaPook29 Nov 2007, 17:59
Re: Children's land-locked "Sextant"Gary LaPook29 Nov 2007, 13:17
Re: Children's land-locked "Sextant"Gary LaPook29 Nov 2007, 13:08
Re: Wright's 1599 Chart showingScilliesGary LaPook29 Nov 2007, 12:29
Wright's 1599 Chart showing ScilliesGary LaPook29 Nov 2007, 01:11
Re: Children's land-locked "Sextant"Gary LaPook28 Nov 2007, 19:28
Re: Children's land-locked "Sextant"Gary LaPook28 Nov 2007, 17:49
Errors in online version of HO249Gary LaPook28 Nov 2007, 09:33
Re: Children's land-locked "Sextant"Gary LaPook28 Nov 2007, 08:13
Re: Children's land-locked "Sextant"Gary LaPook28 Nov 2007, 07:45
Re: Children's land-locked "Sextant"Gary LaPook28 Nov 2007, 07:33
Re: Children's land-locked "Sextant"Gary LaPook27 Nov 2007, 17:56
Re: Calibrating a sextant scaleGary LaPook26 Nov 2007, 03:28
Re: How far is polaris?Gary LaPook23 Nov 2007, 07:05
Re: How far is polaris?Gary LaPook23 Nov 2007, 07:01
Re: Off Center Sextant Scope ObservationsGary LaPook23 Nov 2007, 04:01
Re: How far is polaris?Gary LaPook21 Nov 2007, 21:21
Re: RefractionGary LaPook21 Nov 2007, 21:05
Re: Almanacs, theory and use.Gary LaPook21 Nov 2007, 09:07
Re: Almanacs, theory and use.Gary LaPook20 Nov 2007, 19:36
Re: Almanacs, theory and use.Gary LaPook20 Nov 2007, 19:31
RefractionGary LaPook20 Nov 2007, 19:04
Re: Theoretical Question - Height of Eye from ShoreGary LaPook18 Nov 2007, 08:13
RefractionGary LaPook9 Nov 2007, 10:09
Re: Direct methodsGary LaPook9 Nov 2007, 09:43
Re: Direct methodsGary LaPook9 Nov 2007, 09:30
Re: The "big" sextant manufacturesGary LaPook9 Nov 2007, 03:56
Re: Goerz and Bumstead Sun CompassesGary LaPook6 Nov 2007, 00:38
Re: Goerz and Bumstead Sun CompassesGary LaPook6 Nov 2007, 00:33
Re: Goerz and Bumstead Sun CompassesGary LaPook6 Nov 2007, 00:30
Re: Goerz and Bumstead Sun CompassesGary LaPook6 Nov 2007, 00:19
Improving accuracy of fix by shooting 4 starsGary LaPook4 Nov 2007, 06:47
Sky compass (polarizing sunlight compass)Gary LaPook4 Nov 2007, 06:39
Sky compass (polarizing cunlight compass)Gary LaPook4 Nov 2007, 06:33
Re: Goerz and Bumstead Sun CompassesGary LaPook4 Nov 2007, 06:16
Re: Direct methodsGary LaPook4 Nov 2007, 06:13
Re: Direct methodsGary LaPook2 Nov 2007, 06:47
Re: Ancient mariners enjoyed Hawaiian holidaysGary LaPook31 Oct 2007, 19:38
Re: Computaion of table of offsets.Gary LaPook30 Oct 2007, 07:54
Re: Poor St. HilaireGary LaPook29 Oct 2007, 19:53
Computaion of table of offsets.Gary LaPook29 Oct 2007, 09:01
Re: Poor St. HilaireGary LaPook29 Oct 2007, 08:40
Re: Poor St. HilaireGary LaPook29 Oct 2007, 08:19
Re: Marq St. Hilaire - Altitude intercept methodGary LaPook29 Oct 2007, 08:03
Re: Poor St. HilaireGary LaPook27 Oct 2007, 00:12
Re: Poor St. HilaireGary LaPook26 Oct 2007, 22:40
Re: Marq St. Hilaire - Altitude intercept methodGary LaPook26 Oct 2007, 22:34
Re: Marq St. Hilaire - Altitude intercept methodGary LaPook26 Oct 2007, 07:48
Re: Poor St. HilaireGary LaPook25 Oct 2007, 09:56
Re: Chronometers after radio time signalsGary LaPook24 Oct 2007, 05:50
Re: Chronometers after radio time signalsGary LaPook23 Oct 2007, 18:33
Re: Chronometers after radio time signalsGary LaPook23 Oct 2007, 16:47
Re: Chronometers after radio time signalsGary LaPook23 Oct 2007, 15:04
Re: 6080 ft vs 1852 mGary LaPook23 Oct 2007, 06:01
Re: Single-handed sightsGary LaPook22 Oct 2007, 19:48
Re: Heath Hezzanith questionGary LaPook22 Oct 2007, 16:35
Re: Heath Hezzanith questionGary LaPook22 Oct 2007, 14:51
Re: Obtaining Azimuths. was: Re:Burdwood's TablesGary LaPook15 Oct 2007, 16:53
Re: Rust's diagram for computing azimuthGary LaPook12 Oct 2007, 04:59
Rust's diagram for computing azimuthGary LaPook8 Oct 2007, 18:42
Re: Usefulnes of inspection tablesGary LaPook7 Oct 2007, 22:20
Usefulnes of inspection tablesGary LaPook7 Oct 2007, 20:23
Re: Certaine Errors in Navigation CorrectedGary LaPook7 Oct 2007, 20:05
Re: sight reduction tablesGary LaPook2 Oct 2007, 21:10
Re: Latitude by transits of a circumpolar star bothabove and below the poleGary LaPook2 Oct 2007, 08:34
Re: sight reduction tablesGary LaPook30 Sep 2007, 18:46
Re: sight reduction tablesGary LaPook29 Sep 2007, 19:18
Re: CN in the GPS AgeGary LaPook28 Sep 2007, 08:48
Re: Certaine Errors in Navigation CorrectedGary LaPook26 Sep 2007, 07:41
Re: Certaine Errors in Navigation CorrectedGary LaPook26 Sep 2007, 07:35
Certaine Errors in Navigation CorrectedGary LaPook22 Sep 2007, 06:25
Re: Certaine Errors in Navigation CorrectedGary LaPook21 Sep 2007, 22:50
Re: Certaine Errors in Navigation CorrectedGary LaPook21 Sep 2007, 21:58
Certaine Errors in Navigation CorrectedGary LaPook21 Sep 2007, 20:29
Re: The shipwreck of Admiral ShovellGary LaPook17 Sep 2007, 22:05
Re: The shipwreck of Admiral ShovellGary LaPook17 Sep 2007, 18:20
Re: The shipwreck of Admiral ShovellGary LaPook17 Sep 2007, 07:50
Re: Pub249 etcGary LaPook10 Sep 2007, 06:36
Re: CHO-T ManualGary LaPook9 Sep 2007, 08:58
CHO-T ManualGary LaPook9 Sep 2007, 08:22
Re: nomograms for altitude correctionGary LaPook9 Sep 2007, 07:36
Re: The shipwreck of Admiral ShovellGary LaPook30 Aug 2007, 21:22
Re: The shipwreck of Admiral ShovellGary LaPook30 Aug 2007, 21:14
Re: The shipwreck of Admiral ShovellGary LaPook30 Aug 2007, 17:37
Re: The shipwreck of Admiral ShovellGary LaPook29 Aug 2007, 23:36
Re: The shipwreck of Admiral ShovellGary LaPook29 Aug 2007, 23:22
Re: The shipwreck of Admiral ShovellGary LaPook27 Aug 2007, 16:28
Re: Time zone by letter and DSTGary LaPook21 Aug 2007, 09:32
Re: Time zone by letter and DSTGary LaPook20 Aug 2007, 09:01
Re: Time zone by letter and DSTGary LaPook20 Aug 2007, 08:54
Re: Celestial navigation in the field artilleryGary LaPook19 Aug 2007, 05:48
Celestial navigation in the field artilleryGary LaPook17 Aug 2007, 09:41
Re: Latitude of prime vertical sightGary LaPook1 Aug 2007, 17:08
Re: watch as compassGary LaPook31 Jul 2007, 05:19
Re: Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRulerGary LaPook27 Jul 2007, 07:46
Re: Dennert & Pape MHR-1 HR-2Cylindrical Slide Line RulerGary LaPook27 Jul 2007, 07:44
Re: watch as compassGary LaPook25 Jul 2007, 08:36
MA-2 Bubble SextantGary LaPook11 Jul 2007, 22:28
Re: gyroscopic compassesGary LaPook23 Jun 2007, 18:20
Re: Astro Compass attachmentGary LaPook14 May 2007, 01:57
Re: Fatal interaction between yacht and ferry.Gary LaPook11 May 2007, 07:17
Re: Fatal interaction between yacht and ferry.Gary LaPook10 May 2007, 11:51
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook9 May 2007, 00:52
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook8 May 2007, 19:36
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook8 May 2007, 22:30
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook8 May 2007, 22:30
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook8 May 2007, 08:14
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook7 May 2007, 22:59
Banning of 121.5 EPIRBsGary LaPook7 May 2007, 19:35
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook7 May 2007, 19:12
Re: Fatal interaction betweeu yacht and ferry.Gary LaPook7 May 2007, 17:44
Re: Tables of Trig Functions and Logs of TrigFunctionsGary LaPook6 May 2007, 06:08
Re: The mystery of the Queensland version of the MarieCeleste.Gary LaPook5 May 2007, 22:10
Re: The mystery of the Queensland version of the MarieCeleste.Gary LaPook5 May 2007, 20:31
Re: Tables of Trig Functions and Logs of TrigFunctionsGary LaPook5 May 2007, 18:43
Re: The mystery of the Queensland version of the MarieCeleste.Gary LaPook5 May 2007, 18:38
Re: The mystery of the Queensland version of the MarieCeleste.Gary LaPook5 May 2007, 18:31
Re: Tables of Trig Functions and Logs of TrigFunctionsGary LaPook3 May 2007, 07:19
Re: Tables of Trig Functions and Logs of TrigFunctionsGary LaPook2 May 2007, 23:42
Re: determination of longitude and the prime verticalGary LaPook29 Apr 2007, 03:08
Re: Point Venus, May 1774Gary LaPook26 Apr 2007, 00:50
Re: Point Venus, May 1774Gary LaPook25 Apr 2007, 21:02
Re: Point Venus, May 1774Gary LaPook25 Apr 2007, 21:00
Re: Point Venus, May 1774Gary LaPook25 Apr 2007, 20:59
Re: Point Venus, May 1774Gary LaPook25 Apr 2007, 18:27
Re: Point Venus, May 1774Gary LaPook25 Apr 2007, 18:19
Re: Back In Hobby: Some Questions, PleaseGary LaPook25 Apr 2007, 17:46
Re: MkIXa bubble sextant performanceGary LaPook24 Apr 2007, 16:53
Re: New MemberGary LaPook23 Apr 2007, 16:29
Re: Sextant calibration. Re:Coordinates on Cook's mapsGary LaPook22 Apr 2007, 06:09
Re: Cocked hats, again.Gary LaPook16 Apr 2007, 10:13
Re: Sun compassGary LaPook12 Apr 2007, 16:21
Re: Flight NavigationGary LaPook11 Apr 2007, 18:52
Re: Flight NavigationGary LaPook11 Apr 2007, 17:58
Re: Sperm whale buoyancy.Gary LaPook23 Mar 2007, 17:04
Re: Sperm whale buoyancy.Gary LaPook22 Mar 2007, 00:41
Re: Sperm whale buoyancy.Gary LaPook21 Mar 2007, 20:00
Re: Cocked hats, again.Gary LaPook21 Mar 2007, 17:54
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 22:03
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 20:49
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 20:45
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 20:06
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 20:01
Re: Cocked hats, again.Gary LaPook16 Mar 2007, 19:57
Re: Cocked hats, again.Gary LaPook15 Mar 2007, 22:34
Re: Cocked hats, again.Gary LaPook15 Mar 2007, 21:24
Re: Cocked hats, again.Gary LaPook15 Mar 2007, 21:24
Re: Cocked hats, again.Gary LaPook15 Mar 2007, 17:23
Re: Cocked hats, again.Gary LaPook15 Mar 2007, 04:22
Re: Cocked hats, again.Gary LaPook14 Mar 2007, 22:25
Re: Cocked hats, again.Gary LaPook14 Mar 2007, 08:57
Re: Cocked hats, again.Gary LaPook14 Mar 2007, 00:03
Re: Flight NavigationGary LaPook12 Mar 2007, 19:46
Re: Raw data for bubbleGary LaPook12 Mar 2007, 19:44
Re: Flight NavigationGary LaPook12 Mar 2007, 19:35
Flight NavigationGary LaPook12 Mar 2007, 08:07
Re: Raw data for bubbleGary LaPook12 Mar 2007, 07:41
Re: Raw data for bubbleGary LaPook12 Mar 2007, 02:39
Re: Raw data for bubbleGary LaPook11 Mar 2007, 22:16
Re: Nautical Almanac clarificationGary LaPook10 Mar 2007, 00:44
Re: 200-year-old Nautical Almanacs onlineGary LaPook7 Mar 2007, 10:17
Re: Resolution of systematic errorGary LaPook6 Mar 2007, 09:33
Re: Resolution of systematic errorGary LaPook2 Mar 2007, 11:40
Re: Resolution of systematic errorGary LaPook1 Mar 2007, 10:21
Re: Sonnenstein (sun stone)Gary LaPook28 Feb 2007, 19:47
Sonnenstein (sun stone)Gary LaPook28 Feb 2007, 19:42
Re: Navigation in FogGary LaPook27 Feb 2007, 08:16
Interesting nav web siteGary LaPook27 Feb 2007, 08:14
Re: Navigation in FogGary LaPook21 Feb 2007, 19:27
Re: Navigation in FogGary LaPook21 Feb 2007, 18:14
Re: Navigation in FogGary LaPook21 Feb 2007, 10:52
Re: Navigation in FogGary LaPook20 Feb 2007, 10:35
MA-1 bubble sextantGary LaPook20 Feb 2007, 02:59
Re: missing postGary LaPook20 Feb 2007, 02:13
Re: Navigation in FogGary LaPook19 Feb 2007, 21:03
Missing postGary LaPook19 Feb 2007, 20:29
Re: Navigation in FogGary LaPook19 Feb 2007, 20:28
Re: Navigation in FogGary LaPook19 Feb 2007, 20:19
Re: Navigation in FogGary LaPook19 Feb 2007, 20:09
Re: Navigation in FogGary LaPook18 Feb 2007, 09:16
Re: Navigation in FogGary LaPook18 Feb 2007, 02:13
Using PolarisGary LaPook17 Feb 2007, 11:10
Re: Bubble sextant trialsGary LaPook17 Feb 2007, 10:44
Re: Navigation in FogGary LaPook17 Feb 2007, 10:14
Re: Bubble sextant trialsGary LaPook17 Feb 2007, 08:11
Re: Longitude via lunar altitudes, simplifiedGary LaPook3 Feb 2007, 01:09
Re: First sightsGary LaPook22 Jan 2007, 23:38
Re: Just getting started (Pubs 214/229)Gary LaPook20 Jan 2007, 05:22
Re: Just getting startedGary LaPook19 Jan 2007, 20:12
Re: Just getting startedGary LaPook19 Jan 2007, 20:01
Re: Just getting startedGary LaPook19 Jan 2007, 08:32
Re: Just getting startedGary LaPook18 Jan 2007, 18:32
Re: Revisiting A thought questionGary LaPook2 Jan 2007, 17:13
Re: Bubble sextants on eBayGary LaPook2 Jan 2007, 09:23
Re: Lunar Distances with Alex's SNO-TGary LaPook31 Oct 2006, 18:06
Re: strange legal opinion in usaGary LaPook22 Sep 2006, 21:29
Re: strange legal opinion in usaGary LaPook22 Sep 2006, 21:27
Re: Sextants for use on landGary LaPook7 Sep 2006, 09:06
Re: sextant for use on landGary LaPook7 Sep 2006, 08:46
Re: Deviation Card with GPSGary LaPook29 Jul 2006, 19:24
Re: KeldsGary LaPook26 Jul 2006, 04:41
Re: Deviation Card with GPSGary LaPook24 Jul 2006, 16:58
Re: Deviation Card with GPSGary LaPook24 Jul 2006, 06:24
Re: Units and area.Gary LaPook18 Jul 2006, 17:28
Re: Units and area. was: gipsy moth ivGary LaPook18 Jul 2006, 17:22
Re: Units and area. was: gipsy moth ivGary LaPook17 Jul 2006, 16:50
[Fwd: Re: lunar parallax killed Amelia Earhart]Gary LaPook19 May 2006, 18:07
Re: what is a second?Gary LaPook19 May 2006, 22:18
Re: Set and driftGary LaPook19 May 2006, 22:27
Re: Learning Resources [was] Re: List Status: we've moved successfully...Gary LaPook19 May 2006, 19:00
Re: Z or ZN and a couple other fx 260 to excel conversionsGary LaPook2 Jun 2006, 16:45
Re: What is this?Gary LaPook21 May 2006, 19:07
Re: lunar parallax killed Amelia EarhartGary LaPook20 May 2006, 22:06
Re: lunar parallax killed Amelia EarhartGary LaPook20 May 2006, 21:43
Re: lunar parallax killed Amelia EarhartGary LaPook20 May 2006, 20:27
Re: polaris decGary LaPook19 May 2006, 22:29
Re: polaris decGary LaPook19 May 2006, 17:53
Re: lunar parallax killed Amelia EarhartGary LaPook19 May 2006, 08:52
Re: Moving to NavListGary LaPook16 May 2006, 09:16
Re: A superb site for downloading the old works on navigation -only to the e...Gary LaPook24 Apr 2006, 06:35
Re: Sextant scopes and an old-bold empiricistGary LaPook14 Apr 2006, 20:51
Re: Comments on the unitsGary LaPook14 Apr 2006, 11:06
Re: jet fighter celestial navGary LaPook14 Apr 2006, 11:04
Re: Sextant scopes and an old-bold empiricistGary LaPook14 Apr 2006, 09:24
Re: repairing sextantGary LaPook21 Mar 2006, 23:44
Re: Sumner's Line (Navigation question)Gary LaPook15 Feb 2006, 09:24
Re: Sun squash- was Green Flash and LongitudeGary LaPook18 Jan 2006, 08:06
Re: bubble sextant index errorGary LaPook19 Dec 2005, 19:18
Re: Illinois drainageGary LaPook22 Nov 2005, 12:34
Re: BeginnerGary LaPook13 Sep 2005, 16:57
Re: RefractionGary LaPook16 Aug 2005, 06:05
Re: Timing Lunars with a RockGary LaPook19 Jul 2005, 15:22
Re: Night Vision ScopesGary LaPook11 Jul 2005, 02:03
Re: Plastic sextants and prejudice. was: GPS shortcomings.Gary LaPook15 Jun 2005, 05:51
Re: Long and Time at SeaGary LaPook5 Jun 2005, 01:45
Re: Latitude by length of daylightGary LaPook6 May 2005, 09:49
Re: Instumental error?Gary LaPook20 Apr 2005, 21:24
Re: Artificial horizonGary LaPook22 Feb 2005, 07:52
Re: Artificial horizonGary LaPook22 Feb 2005, 07:46
Re: Why is a sextant like it is?Gary LaPook19 Nov 2004, 10:19
Re: Why is a sextant like it is?Gary LaPook19 Nov 2004, 10:04
Re: Why is a sextant like it is?Gary LaPook18 Nov 2004, 04:32
Re: AveragingGary LaPook20 Oct 2004, 22:16
Re: AveragingGary LaPook20 Oct 2004, 10:29
Re: 0000 not 2400?Gary LaPook18 Oct 2004, 19:30
Re: Historical Magnetic Variation/DeclinationGary LaPook22 Jun 2004, 09:39

Index includes 3657 messages.

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