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NavList:

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

January, 2018 to December, 2018

Index includes 2712 messages. Sorted by date, recent messages last.

                    
Re: GPS Anti Spoof appAndrés Ruiz1 Jan 2018, 18:28
Re: GPS Anti Spoof appFrank Reed1 Jan 2018, 21:01
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan 2018, 22:44
Time zones article (from quartz/qz.com)Jackson McDonald3 Jan 2018, 01:22
Re: Time zones article (from quartz/qz.com)Peter Van Dine3 Jan 2018, 04:58
Time-lapse movie with starsPeter Monta4 Jan 2018, 02:04
Call for Papers reminder: History of navigation conferenceRichard Dunn4 Jan 2018, 15:24
"Bomb Cyclone" GRIBSean C5 Jan 2018, 06:15
Re: Time-lapse movie with starsFrank Reed5 Jan 2018, 07:23
Re: Latitude by two stars ...on a Party BoatBob Crawley5 Jan 2018, 08:15
Re: GPS Anti Spoof appDavid Pike5 Jan 2018, 20:26
Lunar distance and nautical almanacDucruy Jacques5 Jan 2018, 21:35
Re: Latitude by two stars ...on a Party BoatFrank Reed5 Jan 2018, 23:42
Re: Lunar distance and nautical almanacPeter Monta6 Jan 2018, 00:02
Re: Solstice Sun LinesTracy Shrier6 Jan 2018, 02:04
Re: Solstice Sun LinesTracy Shrier6 Jan 2018, 03:01
Re: Solstice Sun LinesBrian Walton6 Jan 2018, 04:50
Re: Lunar distance and nautical almanacDucruy Jacques6 Jan 2018, 12:36
Re: Solstice Sun LinesDavid Pike6 Jan 2018, 22:06
'Standard' Dome Refraction TableDavid Pike6 Jan 2018, 22:27
Re: Lunar distance and nautical almanacWolfgang Köberer7 Jan 2018, 11:56
Re: Lunar distance and nautical almanacDucruy Jacques7 Jan 2018, 15:52
Re: A noon fix inland with an peri-sextantAntoine Couëtte7 Jan 2018, 19:23
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan 2018, 04:40
Flight Levels CelNav; 11/10/2017Tracy Shrier8 Jan 2018, 05:02
Re: A noon fix inland with an peri-sextantAntoine Couëtte8 Jan 2018, 10:52
Re: Coriolis Acceleration -- A general caseAntoine Couëtte8 Jan 2018, 14:11
Re: Flight Levels CelNav; 11/10/2017Antoine Couëtte8 Jan 2018, 15:32
Re: A noon fix inland with an peri-sextantMark Knudsen8 Jan 2018, 16:43
Re: 'Standard' Dome Refraction TableTracy Shrier8 Jan 2018, 17:20
Re: 'Standard' Dome Refraction TableFrank Reed8 Jan 2018, 18:59
Re: A noon fix inland with an peri-sextantDavid Pike8 Jan 2018, 19:18
Re: GPS Anti Spoof appFrank Reed8 Jan 2018, 20:00
Re: GPS Anti Spoof appEd Popko8 Jan 2018, 20:20
Re: Flight Levels CelNav; 11/10/2017David Pike8 Jan 2018, 21:00
Re: GPS Anti Spoof appGreg Rudzinski8 Jan 2018, 22:34
Re: Coriolis Acceleration -- A general caseGary LaPook8 Jan 2018, 23:10
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan 2018, 03:34
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan 2018, 09:48
Re: Flight Levels CelNav; 11/10/2017Gary LaPook9 Jan 2018, 09:57
Re: 'Standard' Dome Refraction TableDavid Pike9 Jan 2018, 10:22
Re: GPS Anti Spoof appEd Popko9 Jan 2018, 11:35
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan 2018, 14:33
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte9 Jan 2018, 15:33
Shadow sights for longitudeJohn A Brown9 Jan 2018, 15:53
Re: Latitude by two stars ...on a Party BoatBob Crawley9 Jan 2018, 16:35
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan 2018, 16:51
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan 2018, 17:56
Re: A noon fix inland with an peri-sextantBrad Morris9 Jan 2018, 18:21
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan 2018, 19:13
Reduction of occultation of starsMurray Peake9 Jan 2018, 20:38
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte10 Jan 2018, 11:31
Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan 2018, 16:25
Re: Reduction of occultation of starsRobin Stuart10 Jan 2018, 16:25
Re: Soviet navy emergency navigation manual (Pub.9049)Bob Goethe10 Jan 2018, 17:51
Re: Reduction of occultation of starsMurray Peake10 Jan 2018, 18:01
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed10 Jan 2018, 18:22
Re: Cotter's "History of Nautical Astronomy" on ebayDavid C10 Jan 2018, 19:04
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan 2018, 19:54
Re: Reduction of occultation of starsAntoine Couëtte11 Jan 2018, 11:18
Re: Soviet navy emergency navigation manual (Pub.9049)Andrew Nikitin11 Jan 2018, 13:32
Re: Shadow sights for longitudeJohn A Brown11 Jan 2018, 16:03
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz11 Jan 2018, 16:23
Re: Reduction of occultation of starsRoger W. Sinnott11 Jan 2018, 16:42
Re: Reduction of occultation of starsMurray Peake11 Jan 2018, 16:47
Re: Reduction of occultation of starsMurray Peake11 Jan 2018, 18:04
Re: Shadow sights for longitudeJohn Rizzuto11 Jan 2018, 21:22
Re: Reduction of occultation of starsAntoine Couëtte11 Jan 2018, 22:50
Re: Reduction of occultation of starsRoger W. Sinnott12 Jan 2018, 01:43
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan 2018, 12:35
Star identification via Bygrave formulasPaul Hirose12 Jan 2018, 16:48
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan 2018, 18:08
Re: Shadow sights for longitudeMark Knudsen12 Jan 2018, 18:54
Re: Shadow sights for longitudeMark Knudsen12 Jan 2018, 19:31
Re: Shadow sights for longitudeDavid Fleming12 Jan 2018, 21:06
The Easy LunarsCharles McElhill12 Jan 2018, 22:08
Re: The Easy LunarsSean C12 Jan 2018, 23:43
Re: Shadow sights for longitudeMark Knudsen13 Jan 2018, 01:15
Re: Shadow sights for longitudeDavid Fleming13 Jan 2018, 03:40
Re: Shadow sights for longitudePeter Monta13 Jan 2018, 04:43
Re: Shadow sights for longitudeGeoffrey Kolbe13 Jan 2018, 07:26
Re: Shadow sights for longitudeDavid Pike13 Jan 2018, 08:02
Re: The Easy LunarsCharles McElhill13 Jan 2018, 09:53
Re: Shadow sights for longitudeDavid Fleming13 Jan 2018, 18:47
Re: Shadow sights for longitudeBrad Morris13 Jan 2018, 20:05
Re: Etymology of "loom"?Markus O.14 Jan 2018, 04:11
Re: Shadow sights for longitudeGeoffrey Kolbe14 Jan 2018, 07:40
Re: Shadow sights for longitudeJohn A Brown14 Jan 2018, 08:01
Re: Shadow sights for longitudeFrank Reed14 Jan 2018, 08:36
Re: Flight Levels CelNav; 11/10/2017David Pike14 Jan 2018, 13:00
SHA vs RABob Goethe14 Jan 2018, 15:50
Re: SHA vs RAFrank Reed14 Jan 2018, 16:40
Re: SHA vs RADavid Pike14 Jan 2018, 17:49
Re: Shadow sights for longitudeGreg Rudzinski14 Jan 2018, 19:08
Re: SHA vs RAGary LaPook14 Jan 2018, 22:03
Latitude by law of cosinesChris Caswell14 Jan 2018, 22:08
Re: Latitude by law of cosinesRobert Bernecky15 Jan 2018, 01:38
Degree symbol anomalyPaul Hirose15 Jan 2018, 08:03
DIY long-term almanac for calculatorsTony Oz15 Jan 2018, 10:52
Re: DIY long-term almanac for calculatorsAntoine Couëtte15 Jan 2018, 16:42
Re: Degree symbol anomalyFrank Reed15 Jan 2018, 16:59
Re: Degree symbol anomalyRobert Bernecky15 Jan 2018, 21:58
Re: Latitude by law of cosinesChris Caswell15 Jan 2018, 23:21
Re: Latitude by law of cosinesFrank Reed15 Jan 2018, 23:51
Re: DIY long-term almanac for calculatorsMurray Peake16 Jan 2018, 10:47
Re: Latitude by law of cosinesChris Caswell16 Jan 2018, 22:20
Re: USS Fitzgerald collision with container shipGary LaPook17 Jan 2018, 01:38
Re: Latitude by law of cosinesFred Hebard17 Jan 2018, 05:02
Re: DIY long-term almanac for calculatorsPaul Hirose17 Jan 2018, 05:32
Re: Flight Levels CelNav; 11/10/2017Tracy Shrier17 Jan 2018, 05:43
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:43
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:59
Re: Shadow sights for longitudeJohn A Brown17 Jan 2018, 18:08
Archeological Celestial QuestionMark Coady17 Jan 2018, 18:33
Re: DIY long-term almanac for calculatorsBruce Cutting17 Jan 2018, 20:18
Re: Archeological Celestial QuestionTony Oz18 Jan 2018, 14:28
Re: Archeological Celestial QuestionPaul Saffo18 Jan 2018, 15:15
Re: Archeological Celestial QuestionFrank Reed18 Jan 2018, 19:15
Re: DIY long-term almanac for calculatorsPaul Hirose18 Jan 2018, 19:37
Re: DIY long-term almanac for calculatorsFrank Reed18 Jan 2018, 20:41
Re: Archeological Celestial QuestionDon Seltzer18 Jan 2018, 21:08
Re: Archeological Celestial QuestionPaul Hirose18 Jan 2018, 22:44
Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 02:43
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan 2018, 03:09
Re: Latitude by law of cosinesFrank Reed19 Jan 2018, 05:23
The "mysterious" John Karl's book formulasAntonio Sauci19 Jan 2018, 05:28
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 06:47
Navigating with GPS, opticallyPeter Monta19 Jan 2018, 08:42
Re: Gnomonic Charts - Usable ZonesPaul Hirose19 Jan 2018, 08:49
Re: Gnomonic Charts - Usable ZonesSean C19 Jan 2018, 09:17
Re: DIY long-term almanac for calculatorsAndrés Ruiz19 Jan 2018, 10:55
Re: Gnomonic Charts - Usable ZonesGreg Rudzinski19 Jan 2018, 15:08
Re: Gnomonic Charts - Usable ZonesRobin Stuart19 Jan 2018, 16:06
Re: Gnomonic Charts - Usable ZonesAntoine Couëtte19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable ZonesStan K19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable ZonesStan K19 Jan 2018, 16:28
Re: Gnomonic Charts - Usable ZonesJohn D. Howard19 Jan 2018, 16:38
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 16:54
Re: The "mysterious" John Karl's book formulasAndrés Ruiz19 Jan 2018, 17:21
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz19 Jan 2018, 17:32
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan 2018, 18:27
Re: Call for Papers reminder: History of navigation conferenceFrank Reed20 Jan 2018, 02:00
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan 2018, 13:38
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan 2018, 17:31
Semi-diameter of moonBob Goethe20 Jan 2018, 20:25
Re: Semi-diameter of moonFrank Reed20 Jan 2018, 20:52
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan 2018, 21:14
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan 2018, 23:25
Re: Gnomonic Charts - personal experience/challengeJeremy C20 Jan 2018, 23:37
Ex-meridian table methodologyJeremy C21 Jan 2018, 04:52
Re: Ex-meridian table methodologyGreg Rudzinski21 Jan 2018, 14:12
Some Link A12 Sextant QuestionsDavid Pike21 Jan 2018, 16:11
2017 Bowditch ErrataAntonio Sauci21 Jan 2018, 21:49
Re: Some Link A12 Sextant QuestionsTracy Shrier21 Jan 2018, 22:36
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 00:04
Flight Levels CelNav: 01/10/2018Tracy Shrier22 Jan 2018, 05:18
Re: Some Link A12 Sextant QuestionsPaul Hirose22 Jan 2018, 05:28
Re: Gnomonic Charts - Usable ZonesFrank Reed22 Jan 2018, 06:00
Re: Flight Levels CelNav: 01/10/2018Gary LaPook22 Jan 2018, 07:04
Re: Some Link A12 Sextant QuestionsGary LaPook22 Jan 2018, 07:15
Re: Gnomonic Charts - Usable ZonesEd Popko22 Jan 2018, 10:38
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 13:08
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 15:50
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 16:29
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 16:53
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 18:14
Re: Some Link A12 Sextant QuestionsTracy Shrier22 Jan 2018, 18:41
Supermoon maniaFrank Reed22 Jan 2018, 18:43
Gnomonic charts and distancesBob Goethe22 Jan 2018, 19:07
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 19:11
Re: Gnomonic charts and distancesFrank Reed22 Jan 2018, 19:35
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 20:43
Re: Latitude by law of cosinesChris Caswell22 Jan 2018, 23:05
Re: DIY long-term almanac for calculatorsMurray Peake22 Jan 2018, 23:11
Re: Latitude by law of cosinesFrank Reed23 Jan 2018, 00:31
GC Routes & Strings on GlobesSean C23 Jan 2018, 04:39
Re: GC Routes & Strings on GlobesGary LaPook23 Jan 2018, 08:10
Re: Gnomonic charts and distancesRobin Stuart23 Jan 2018, 14:42
Re: GC Routes & Strings on GlobesFrank Reed23 Jan 2018, 17:15
Re: Gnomonic charts and distancesFrank Reed23 Jan 2018, 19:57
Re: Latitude by law of cosinesChris Caswell23 Jan 2018, 20:07
Re: Gnomonic charts and distancesDavid Fleming23 Jan 2018, 20:26
Re: DIY long-term almanac for calculatorsPaul Hirose23 Jan 2018, 21:32
Re: DIY long-term almanac for calculatorsTony Oz24 Jan 2018, 09:29
Re: DIY long-term almanac for calculatorsAntoine Couëtte24 Jan 2018, 11:37
Re: Latitude by law of cosinesCharles McElhill24 Jan 2018, 13:52
Re: Some Link A12 Sextant QuestionsDavid Pike24 Jan 2018, 22:38
Re: DIY long-term almanac for calculatorsAndrés Ruiz25 Jan 2018, 08:37
Re: Some Link A12 Sextant QuestionsAndrés Ruiz25 Jan 2018, 09:13
Useful modifications to the Polhemus computerGary LaPook25 Jan 2018, 11:43
Re: Some Link A12 Sextant QuestionsGeoffrey Kolbe25 Jan 2018, 13:21
Question about old sextantGerman Diaz25 Jan 2018, 17:37
Moon sight reductionTerry Syrokosz25 Jan 2018, 17:41
Artifical HorizonTerry Syrokosz25 Jan 2018, 17:46
Re: Question about old sextantPeter Monta25 Jan 2018, 19:29
Re: Artifical HorizonGreg Rudzinski25 Jan 2018, 20:39
Re: Moon sight reductionStan K25 Jan 2018, 21:30
Re: Moon sight reductionGary LaPook25 Jan 2018, 21:51
Re: Artifical HorizonDavid Pike25 Jan 2018, 22:00
Re: Some Link A12 Sextant QuestionsDavid Pike25 Jan 2018, 22:33
Re: Moon sight reductionTerry Syrokosz25 Jan 2018, 22:59
Re: Artifical HorizonGreg Rudzinski25 Jan 2018, 23:07
Re: Moon sight reductionTerry Syrokosz25 Jan 2018, 23:11
Re: Artifical HorizonTerry Syrokosz26 Jan 2018, 02:22
Re: Artifical HorizonTerry Syrokosz26 Jan 2018, 02:36
Re: Some Link A12 Sextant QuestionsKen Gebhart26 Jan 2018, 04:54
Re: Question about old sextantWolfgang Köberer26 Jan 2018, 09:15
Re: Artifical HorizonAndrés Ruiz26 Jan 2018, 09:50
Re: Question about old sextantRobert H. van Gent26 Jan 2018, 10:02
Re: Artifical HorizonDavid Pike26 Jan 2018, 10:03
Re: Question about old sextantAndrés Ruiz26 Jan 2018, 10:20
Re: Artifical HorizonGreg Rudzinski26 Jan 2018, 12:59
Margetts' 1790 Longitude TablesEd Popko26 Jan 2018, 15:08
Re: Margetts' 1790 Longitude TablesFrank Reed26 Jan 2018, 18:55
Re: Margetts' 1790 Longitude TablesEd Popko26 Jan 2018, 20:28
Re: Margetts' 1790 Longitude TablesFrancis Upchurch27 Jan 2018, 07:03
Re: Artifical HorizonTerry Syrokosz27 Jan 2018, 20:55
Re: Artifical HorizonAlan S28 Jan 2018, 01:40
Lunars-liteRoger W. Sinnott29 Jan 2018, 12:15
Oblateness calculation given observe r’s latitudeEd Popko29 Jan 2018, 19:23
Re: Oblateness calculation given observer's latitudeFrank Reed29 Jan 2018, 20:12
Re: Oblateness calculation given observer's latitudeEd Popko29 Jan 2018, 20:48
Re: Lunars-litePeter Monta29 Jan 2018, 23:32
Re: Lunars-litePeter Monta29 Jan 2018, 23:59
Re: Oblateness calculation given observer's latitudePeter Monta30 Jan 2018, 00:08
Mickey Mouse's dog is backGary LaPook30 Jan 2018, 01:35
Re: Lunars-liteRoger W. Sinnott30 Jan 2018, 02:34
Re: Mickey Mouse's dog is backSean C30 Jan 2018, 04:20
Re: Mickey Mouse's dog is backGary LaPook30 Jan 2018, 07:07
Re: Oblateness calculation given observer's latitudePaul Hughes30 Jan 2018, 11:18
Planned GNSS denial in the USDavid Pike30 Jan 2018, 12:13
Re: Oblateness calculation given observer's latitudeFrank Reed30 Jan 2018, 21:52
Re: Mickey Mouse's dog is backNoell Wilson30 Jan 2018, 23:21
Re: Oblateness calculation given observer's latitudePeter Monta31 Jan 2018, 00:01
Re: Lunars-litePeter Monta31 Jan 2018, 00:23
NavList Twitter feedFrank Reed31 Jan 2018, 01:28
Satellite-derived Time and Position: A Study of Critical DependenciesDavid Pike31 Jan 2018, 08:28
Re: Lunars-liteRoger W. Sinnott31 Jan 2018, 15:05
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb 2018, 05:43
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb 2018, 06:20
Vacation-time LunarsEd Popko2 Feb 2018, 21:32
Vacation-time Lunars (cont.)Ed Popko3 Feb 2018, 12:29
Delta T long term formulaPaul Hirose3 Feb 2018, 17:38
Re: Mickey Mouse's dog is backPaul Werner3 Feb 2018, 18:13
Re: Delta T long term formulaGeoffrey Kolbe4 Feb 2018, 17:31
Re: Delta T long term formulaAntoine Couëtte5 Feb 2018, 13:46
Re: Oblateness calculation given observer's latitudePeter Monta5 Feb 2018, 17:03
Read the vernier, get the noon latitudeFrank Reed6 Feb 2018, 19:46
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb 2018, 20:06
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 20:16
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb 2018, 20:18
Re: Read the vernier, get the noon latitudeBob Goethe6 Feb 2018, 20:23
Re: Latitude by law of cosinesFrank Reed6 Feb 2018, 20:59
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 21:04
Re: Latitude by law of cosinesGary LaPook6 Feb 2018, 21:07
Re: Read the vernier, get the noon latitudeDavid Pike6 Feb 2018, 22:01
What is your GP?Frank Reed6 Feb 2018, 23:08
Deriving the Bygrave equationsBob Goethe6 Feb 2018, 23:23
Re: Read the vernier, get the noon latitudeFrank Reed6 Feb 2018, 23:26
Re: What is your GP?Bob Goethe6 Feb 2018, 23:46
Re: What is your GP?Don Seltzer7 Feb 2018, 01:02
Re: What is your GP?Greg Rudzinski7 Feb 2018, 01:28
Re: Oblateness calculation given observer's latitudeFrank Reed7 Feb 2018, 03:28
Re: Read the vernier, get the noon latitudeSean C7 Feb 2018, 03:36
Re: Latitude by law of cosinesAndrés Ruiz7 Feb 2018, 09:29
Re: Mickey Mouse's dog is backTony Oz7 Feb 2018, 10:28
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb 2018, 15:04
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed7 Feb 2018, 17:31
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb 2018, 18:05
Re: Vacation-time LunarsFrank Reed7 Feb 2018, 20:55
Horizon noise near ClevelandFrank Reed7 Feb 2018, 21:56
Re: Vacation-time LunarsEd Popko7 Feb 2018, 22:46
Re: Read the vernier, get the noon latitudeWilliam A8 Feb 2018, 18:19
Re: Read the vernier, get the noon latitudeGary LaPook8 Feb 2018, 18:57
Antique SextantGreg Rudzinski8 Feb 2018, 23:15
Re: Kollsman periscopic sextant mountRussell Crum9 Feb 2018, 02:48
Re: Antique SextantAlan S9 Feb 2018, 05:04
Re: Antique SextantFrank Reed9 Feb 2018, 05:57
Re: Kollsman periscopic sextant mountGary LaPook9 Feb 2018, 07:56
Re: Kollsman periscopic sextant mountDavid Pike9 Feb 2018, 09:29
Re: Antique SextantGreg Rudzinski9 Feb 2018, 13:04
Re: Antique SextantAlan S9 Feb 2018, 18:02
Re: Deriving the Bygrave equationsPaul Hirose9 Feb 2018, 18:34
Re: Antique SextantJackson McDonald9 Feb 2018, 20:04
Re: Antique SextantFrank Reed9 Feb 2018, 20:11
Re: Read the vernier, get the noon latitudeWilliam A10 Feb 2018, 07:35
Re: Deriving the Bygrave equationsGeoffrey Kolbe10 Feb 2018, 14:36
Re: Puzzled by Douglas Protractor InstructionsMartin Gardner10 Feb 2018, 15:14
Re: Read the vernier, get the noon latitudeBrad Morris10 Feb 2018, 18:24
Re: NavList Twitter feedFrank Reed10 Feb 2018, 20:28
X-ray sextantJackson McDonald10 Feb 2018, 20:39
Re: X-ray sextantFrank Reed10 Feb 2018, 21:05
Re: Deriving the Bygrave equationsGary LaPook11 Feb 2018, 06:32
Re: X-ray sextantRobert Eno11 Feb 2018, 07:26
I wonder how much celnav experience they had...Paul Saffo11 Feb 2018, 17:24
Re: I wonder how much celnav experience they had...Greg Rudzinski11 Feb 2018, 18:30
Re: I wonder how much celnav experience they had...Lu Abel11 Feb 2018, 20:10
Chas. C. Hutchinson sextantJackson McDonald11 Feb 2018, 22:23
The "golden rule of three" - what's that?Tony Oz11 Feb 2018, 22:52
Re: The "golden rule of three" - what's that?Don Seltzer11 Feb 2018, 23:35
Re: The "golden rule of three" - what's that?Brad Morris11 Feb 2018, 23:54
Re: The "golden rule of three" - what's that?Bill Lionheart12 Feb 2018, 08:51
Re: The "golden rule of three" - what's that?Tony Oz12 Feb 2018, 15:11
Re: The "golden rule of three" - what's that?Frank Reed13 Feb 2018, 17:53
Re: The "golden rule of three" - what's that?John D. Howard14 Feb 2018, 02:25
Re: The "golden rule of three" - what's that?Frank Reed14 Feb 2018, 02:50
Re: The "golden rule of three" - what's that?John D. Howard14 Feb 2018, 03:43
Re: The "golden rule of three" - what's that?Herman Dekker14 Feb 2018, 09:38
Re: Delta T long term formulaPaul Hirose14 Feb 2018, 19:17
Re: X-ray sextantPaul Dolkas14 Feb 2018, 19:44
Where is the Earth?Frank Reed15 Feb 2018, 20:24
Re: The "golden rule of three" - what's that?David Pike15 Feb 2018, 21:31
Re: The "golden rule of three" - what's that?Frank Reed15 Feb 2018, 23:01
The Defective State of the Nautical AlmanacFrank Reed16 Feb 2018, 02:44
Where the Bing are we?Frank Reed16 Feb 2018, 03:56
AP1234 plus exam on ebay £60Bob Crawley16 Feb 2018, 08:23
Re: The "golden rule of three" - what's that?Paul Hughes16 Feb 2018, 08:33
Re: Where the Bing are we?David Pike16 Feb 2018, 11:27
Re: Where the Bing are we?David Pike16 Feb 2018, 12:16
Re: Where the Bing are we?Greg Rudzinski16 Feb 2018, 13:57
Proof-reading the OCR of Cotter's "History..."Tony Oz16 Feb 2018, 15:31
Re: Where the Bing are we?Antoine Couëtte16 Feb 2018, 18:31
Re: Where the Bing are we?David Pike16 Feb 2018, 21:29
Re: Location without DRMarco A. Costa16 Feb 2018, 22:19
Re: Where the Bing are we?David Fleming16 Feb 2018, 23:19
Re: The Defective State of the Nautical AlmanacÖrjan Sandström17 Feb 2018, 05:44
Re: Location without DRPaul Hirose17 Feb 2018, 21:58
Re: Location without DRSean C19 Feb 2018, 02:56
Flight Levels CelNav; 02/10/2018Tracy Shrier19 Feb 2018, 05:24
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz19 Feb 2018, 11:16
Re: Location without DREd Popko19 Feb 2018, 11:44
Re: Proof-reading the OCR of Cotter's "History..."Brad Morris19 Feb 2018, 14:07
Re: Location without DRDavid Fleming19 Feb 2018, 16:39
Re: Location without DREd Popko19 Feb 2018, 17:18
Re: Location without DRFrank Reed19 Feb 2018, 18:30
Re: Proof-reading the OCR of Cotter's "History..."Frank Reed19 Feb 2018, 19:08
My introductionTerry Syrokosz20 Feb 2018, 00:32
Re: My introductionAntoine Couëtte20 Feb 2018, 06:12
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb 2018, 09:01
Re: My introductionEd Popko20 Feb 2018, 11:08
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb 2018, 14:39
In a nutshell...Mike Freeman20 Feb 2018, 18:14
Re: In a nutshell...Frank Reed20 Feb 2018, 19:06
Re: My introductionDon Seltzer20 Feb 2018, 19:20
Re: In a nutshell...Robert Bernecky20 Feb 2018, 19:29
Re: Chas. C. Hutchinson sextantAlan S20 Feb 2018, 23:23
Re: In a nutshell...Mike Freeman21 Feb 2018, 06:28
Re: In a nutshell...Mike Freeman21 Feb 2018, 10:27
Re: Location without DRMarco A. Costa21 Feb 2018, 14:59
Re: My introductionTerry Syrokosz21 Feb 2018, 15:41
Re: Location without DRFrank Reed21 Feb 2018, 16:12
Re: In a nutshell...Antonio Sauci21 Feb 2018, 16:54
Re: I wonder how much celnav experience they had...Daniel Loewer21 Feb 2018, 22:27
Re: I wonder how much celnav experience they had...David Pike22 Feb 2018, 17:39
Re: GPS jamming concernsAlan S23 Feb 2018, 04:38
(OT) Update to my Historical Atlas appsFrank Reed23 Feb 2018, 21:03
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer24 Feb 2018, 23:25
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris25 Feb 2018, 01:20
Re: In a nutshell...Frank Reed25 Feb 2018, 18:03
Quiet Month for NavListFrank Reed25 Feb 2018, 18:49
Re: Quiet Month for NavListBob Goethe25 Feb 2018, 20:23
Re: In a nutshell...Tom Sult25 Feb 2018, 21:12
Re: Quiet Month for NavListTom Sult25 Feb 2018, 21:13
Re: Quiet Month for NavListFrank Reed25 Feb 2018, 22:05
Re: Quiet Month for NavListFrank Reed25 Feb 2018, 22:10
Re: Quiet Month for NavListDavid C25 Feb 2018, 22:17
Sunrise to sunset azimuthFrank Reed25 Feb 2018, 23:58
Re: Polar Grid AirNav and Oceanic AirNavLudwig Schweinfurth26 Feb 2018, 01:56
Re: Quiet Month for NavListTom Sult26 Feb 2018, 04:30
Re: Quiet Month for NavListJohn D. Howard26 Feb 2018, 05:15
Re: Polar Grid AirNav and Oceanic AirNavDavid Pike26 Feb 2018, 09:03
Re: Quiet Month for NavListPaul Hughes26 Feb 2018, 11:47
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb 2018, 14:43
Re: Quiet Month for NavListBrad Morris26 Feb 2018, 15:31
Re: Quiet Month for NavListFrank Reed26 Feb 2018, 17:30
Re: Sunrise to sunset azimuthFrank Reed26 Feb 2018, 17:30
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb 2018, 18:24
Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz27 Feb 2018, 14:13
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Frank Reed27 Feb 2018, 14:41
Re: Quiet Month for NavListFrank Reed27 Feb 2018, 15:11
Re: The Defective State of the Nautical AlmanacMartin Gardner27 Feb 2018, 15:36
Re: The Defective State of the Nautical AlmanacFrank Reed27 Feb 2018, 15:56
Re: The Defective State of the Nautical AlmanacRobert H. van Gent27 Feb 2018, 16:04
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb 2018, 19:15
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb 2018, 20:26
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb 2018, 10:18
Re: Quiet Month for NavListJohn Rizzuto28 Feb 2018, 14:12
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Brad Morris28 Feb 2018, 18:16
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb 2018, 18:52
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 05:47
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Geoffrey Kolbe1 Mar 2018, 07:10
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 08:53
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, 09:43
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Paul Hughes1 Mar 2018, 11:15
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz1 Mar 2018, 11:37
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer1 Mar 2018, 19:31
Re: Another round on the fate of Amelia Earhart in today's newsNoell Wilson1 Mar 2018, 20:09
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Gary LaPook1 Mar 2018, 20:23
Pyramid alignmentGary LaPook1 Mar 2018, 23:58
Re: Pyramid alignmentFrank Reed2 Mar 2018, 00:41
Re: Polhemus computerAlan S2 Mar 2018, 05:46
Re: Pyramid alignmentGeoffrey Kolbe2 Mar 2018, 06:52
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz2 Mar 2018, 08:37
Gatty's Raft Manual mapBob Crawley2 Mar 2018, 09:36
Polhemus in the Southern HemisphereEd Popko2 Mar 2018, 13:41
Re: Gatty's Raft Manual mapTony Oz2 Mar 2018, 15:24
The diagram on strip formBob Goethe2 Mar 2018, 16:35
Re: The diagram on strip formSean C3 Mar 2018, 05:58
Re: The diagram on strip formJeremy C3 Mar 2018, 08:15
Re: The diagram on strip formRobert VanderPol II3 Mar 2018, 14:17
Many EBAY Sextants AvailableBruce J. Pennino3 Mar 2018, 15:10
Re: The diagram on strip formRobert Pearson3 Mar 2018, 18:34
Re: Many EBAY Sextants AvailableEd Popko3 Mar 2018, 22:51
Re: Many EBAY Sextants AvailableRobert VanderPol II4 Mar 2018, 01:10
Re: Many EBAY Sextants AvailableAntoine Couëtte4 Mar 2018, 20:11
Re: Many EBAY Sextants AvailablePaul Bedel4 Mar 2018, 20:46
Re: Many EBAY Sextants AvailableAlan S5 Mar 2018, 01:25
Re: Another round on the fate of Amelia Earhart in today's newsPaul Saffo5 Mar 2018, 04:28
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook5 Mar 2018, 06:07
CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell5 Mar 2018, 06:19
NASA and celestial navigationFrank Reed5 Mar 2018, 20:17
Re: NASA and celestial navigationGreg Rudzinski5 Mar 2018, 21:11
Re: NASA and celestial navigationAlan S6 Mar 2018, 04:04
Re: NASA and celestial navigationGeoffrey Kolbe6 Mar 2018, 06:29
Re: Polhemus in the Southern HemisphereGary LaPook6 Mar 2018, 09:05
Re: NASA and celestial navigationEd Popko6 Mar 2018, 10:59
Re: Polhemus in the Southern HemisphereEd Popko6 Mar 2018, 12:14
Re: NASA and celestial navigationFrank Reed6 Mar 2018, 16:39
Re: NASA and celestial navigationGreg Rudzinski6 Mar 2018, 17:23
Artificial Horizon Sun Moon Fix by Casio fx 260Greg Rudzinski6 Mar 2018, 19:56
Re: NASA and celestial navigationPeter Monta7 Mar 2018, 00:51
Re: NASA and celestial navigationSean C7 Mar 2018, 03:04
"Sunburst and Luminary", Apollo software and navigationDon Seltzer7 Mar 2018, 15:52
Re: Polar Grid AirNav and Oceanic AirNavPaul Hirose7 Mar 2018, 21:29
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantDan Pfeiffer8 Mar 2018, 01:00
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell8 Mar 2018, 07:20
Does this feel familiar?Bob Crawley8 Mar 2018, 09:05
Re: Does this feel familiar?Jackson McDonald8 Mar 2018, 15:47
Re: NASA and celestial navigationWolfgang Köberer8 Mar 2018, 17:50
131 Year Old Message in a BottleNoell Wilson9 Mar 2018, 13:25
Erasing E6-B and Polhemus PlotsEd Popko9 Mar 2018, 16:40
Re: Erasing E6-B and Polhemus PlotsHewitt Schlereth9 Mar 2018, 17:23
Another Earhart mystery?Lu Abel9 Mar 2018, 18:20
Re: Erasing E6-B and Polhemus PlotsDavid Pike9 Mar 2018, 19:31
ADMIN: NavList Operations contributionsFrank Reed9 Mar 2018, 20:09
Upcoming celestial classes at Mystic SeaportFrank Reed9 Mar 2018, 21:29
Re: Upcoming celestial classes at Mystic SeaportBob Goethe9 Mar 2018, 23:07
Re: Flight Levels CelNav; 02/10/2018Tracy Shrier10 Mar 2018, 01:42
Thridrangaviti LighthouseBob Goethe10 Mar 2018, 01:55
Getting UT1/GMTBob Goethe10 Mar 2018, 02:30
Re: Erasing E6-B and Polhemus PlotsAlan S10 Mar 2018, 03:31
Re: Erasing E6-B and Polhemus PlotsSean C10 Mar 2018, 06:27
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar 2018, 07:00
Re: Erasing E6-B and Polhemus PlotsEd Popko10 Mar 2018, 10:45
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris10 Mar 2018, 13:19
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar 2018, 19:32
Re: Erasing E6-B and Polhemus PlotsPaul Hirose10 Mar 2018, 19:45
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar 2018, 19:53
Re: Artificial Horizon Sun Moon Fix by Casio fx 260Lars Bergman10 Mar 2018, 20:45
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar 2018, 21:42
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer11 Mar 2018, 01:11
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar 2018, 04:39
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar 2018, 04:56
Re: Getting UT1/GMTTony Oz11 Mar 2018, 09:48
No Celestial Love in ECDISJeremy C11 Mar 2018, 10:16
Re: Getting UT1/GMTTony Oz11 Mar 2018, 10:36
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar 2018, 13:05
Busy night as workers adjust British henge sites for saving timeEd Popko11 Mar 2018, 13:27
Re: Erasing E6-B and Polhemus PlotsJacob M. Huffman III11 Mar 2018, 15:40
Re: No Celestial Love in ECDISMichael Bradley11 Mar 2018, 17:49
NAO Concise Reduction FormBob McDowell11 Mar 2018, 17:53
Re: Busy night as workers adjust British henge sites for saving timeDennis Jewitt11 Mar 2018, 18:17
Procedure for points on a circle of positionFrank Reed11 Mar 2018, 18:49
Re: NAO Concise Reduction FormStan K11 Mar 2018, 21:03
Celestial SimulatorPhil Sadler11 Mar 2018, 21:44
Re: No Celestial Love in ECDISJeremy C11 Mar 2018, 22:23
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar 2018, 23:09
Re: No Celestial Love in ECDISFrank Reed12 Mar 2018, 02:26
Re: NAO Concise Reduction FormBob McDowell12 Mar 2018, 06:50
Re: NAO Concise Reduction FormBob McDowell12 Mar 2018, 06:55
Re: Thridrangaviti LighthouseAndrés Ruiz12 Mar 2018, 08:54
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 08:55
Re: Procedure for points on a circle of positionAndrés Ruiz12 Mar 2018, 09:04
Odd star brightness as seen from ISS night orbitsEd Popko12 Mar 2018, 12:53
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 14:00
Re: No Celestial Love in ECDISGreg Rudzinski12 Mar 2018, 15:11
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 17:05
Re: No Celestial Love in ECDISFrank Reed12 Mar 2018, 17:54
An azimuth nomogram: what's under the hood?Tony Oz12 Mar 2018, 18:27
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar 2018, 21:27
Re: Another round on the fate of Amelia Earhart in today's newsJackson McDonald12 Mar 2018, 21:58
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: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:10
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:15
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:35
Re: Erasing E6-B and Polhemus PlotsGary LaPook13 Mar 2018, 06:57
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:27
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:53
Re: Erasing E6-B and Polhemus PlotsDavid Pike13 Mar 2018, 07:59
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott13 Mar 2018, 10:27
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 10:31
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 13:36
Re: An azimuth nomogram: what's under the hood?Bruce J. Pennino13 Mar 2018, 14:09
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 15:02
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 16:33
Re: An azimuth nomogram: what's under the hood?Bob Goethe13 Mar 2018, 16:34
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 16:37
Re: Odd star brightness as seen from ISS night orbitsFrank Reed13 Mar 2018, 16:42
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 17:07
Re: An azimuth nomogram: what's under the hood?Frank Reed13 Mar 2018, 17:38
Re: An azimuth nomogram: what's under the hood?Robert Wyatt13 Mar 2018, 18:15
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 18:42
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 19:17
Re: An azimuth nomogram: what's under the hood?Stan K13 Mar 2018, 22:57
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott14 Mar 2018, 11:02
Re: An azimuth nomogram: what's under the hood?Bob Crawley14 Mar 2018, 12:15
Re: No Celestial Love in ECDISGreg Rudzinski14 Mar 2018, 16:39
Re: An azimuth nomogram: what's under the hood?Robin Stuart14 Mar 2018, 18:10
Distance to Horizon by DipBob Goethe14 Mar 2018, 18:15
Re: Distance to Horizon by DipFrank Reed14 Mar 2018, 18:49
Re: No Celestial Love in ECDISMichael Bradley14 Mar 2018, 21:09
Re: Celestial SimulatorFrank Reed15 Mar 2018, 03:12
A message to Herman DekkerStan K15 Mar 2018, 05:49
Short Dip distanceBob McDowell15 Mar 2018, 06:12
Re: Celestial SimulatorSean C15 Mar 2018, 07:14
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 07:55
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 09:54
Re: Short Dip distanceGreg Rudzinski15 Mar 2018, 12:29
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:13
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:14
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:16
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:25
Re: Short Dip distanceStan K15 Mar 2018, 16:04
Re: Celestial SimulatorFrank Reed15 Mar 2018, 17:32
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 20:22
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 20:26
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 21:31
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 22:20
Re: Short Dip distanceRobin Stuart16 Mar 2018, 14:31
Re: Short Dip distanceRobin Stuart16 Mar 2018, 15:10
Re: Short Dip distanceRon Jones16 Mar 2018, 15:20
Stephen HawkingFrank Reed16 Mar 2018, 16:35
D.H. Sadler on Ephemeris Time, 1954Paul Hirose16 Mar 2018, 18:23
Current / future state of UT1 access?Paul Hirose16 Mar 2018, 18:24
Re: Stephen HawkingGeoffrey Kolbe16 Mar 2018, 19:59
Re: Erasing E6-B and Polhemus PlotsTracy Shrier17 Mar 2018, 04:36
Re: Erasing E6-B and Polhemus PlotsEd Popko17 Mar 2018, 10:22
Re: D.H. Sadler on Ephemeris Time, 1954Frank Reed18 Mar 2018, 02:03
Re: Erasing E6-B and Polhemus PlotsFrank Reed18 Mar 2018, 02:17
Re: D.H. Sadler on Ephemeris Time, 1954Peter Monta18 Mar 2018, 06:07
Did chronometers introduce economics to navigation?Ed Popko18 Mar 2018, 12:34
Re: Did chronometers introduce economics to navigation?Greg Rudzinski18 Mar 2018, 13:24
Re: Did chronometers introduce economics to navigation?Brad Morris18 Mar 2018, 15:17
Geographic coordinates from smart phonesMike Burkes18 Mar 2018, 16:26
Re: Did chronometers introduce economics to navigation?Geoffrey Kolbe18 Mar 2018, 20:00
Nomogram for Dip Short of HorizonRobin Stuart18 Mar 2018, 20:28
Re: Geographic coordinates from smart phonesBrad Morris18 Mar 2018, 20:47
Re: Nomogram for Dip Short of HorizonGreg Rudzinski18 Mar 2018, 21:33
Re: Nomogram for Dip Short of HorizonHerman Dekker18 Mar 2018, 21:49
Re: Nomogram for Dip Short of HorizonEd Popko18 Mar 2018, 22:54
Re: Nomogram for Dip Short of HorizonTony Oz19 Mar 2018, 10:46
Re: Nomogram for Dip Short of HorizonRobin Stuart19 Mar 2018, 14:18
Re: Stephen HawkingFrancis Upchurch19 Mar 2018, 19:15
Re: Upcoming celestial classes at Mystic SeaportTerry Syrokosz20 Mar 2018, 13:52
Modern Celestial, this weekend at Mystic SeaportFrank Reed20 Mar 2018, 16:18
Re: Stephen HawkingFrank Reed20 Mar 2018, 18:08
Re: Geographic coordinates from smart phonesFrank Reed20 Mar 2018, 18:21
G is for GreenwichFrank Reed20 Mar 2018, 18:51
Re: Stephen HawkingFrancis Upchurch20 Mar 2018, 19:17
Time of SpringTerry Syrokosz21 Mar 2018, 03:08
Re: Time of SpringTony Oz21 Mar 2018, 10:48
Re: Time of SpringDave Walden21 Mar 2018, 14:09
Smart management of NavList emailsBrad Morris21 Mar 2018, 15:54
Re: Smart management of NavList emailsFrank Reed21 Mar 2018, 16:16
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar 2018, 16:26
Re: Smart management of NavList emailsBrad Morris21 Mar 2018, 17:25
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar 2018, 17:51
From whaling to piracyFrank Reed21 Mar 2018, 20:54
Re: From whaling to piracyBob Goethe21 Mar 2018, 21:31
Re: From whaling to piracyDavid Pike21 Mar 2018, 23:10
Doc On Worst Jobs at SeaGreg Rudzinski22 Mar 2018, 00:48
Re: Doc On Worst Jobs at SeaFrank Reed22 Mar 2018, 00:57
Re: From whaling to piracyDon Seltzer22 Mar 2018, 02:23
Re: From whaling to piracyFrank Reed22 Mar 2018, 03:25
Re: Time of SpringPaul Hirose22 Mar 2018, 05:27
Re: Doc On Worst Jobs at SeaBruce J. Pennino22 Mar 2018, 13:39
Re: Doc On Worst Jobs at SeaDon Seltzer22 Mar 2018, 14:43
Ship SpeedBruce J. Pennino22 Mar 2018, 15:21
Re: Ship SpeedIan Vaughn22 Mar 2018, 16:19
Re: Ship SpeedMichael Bradley22 Mar 2018, 16:44
Re: Doc On Worst Jobs at SeaHenry Halboth22 Mar 2018, 17:09
Re: Time of SpringTerry Syrokosz22 Mar 2018, 17:42
Fwd: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Andrés Ruiz22 Mar 2018, 18:11
MOO MOB and Stationary observerAndrés Ruiz22 Mar 2018, 18:19
Re: Ship SpeedTerry Syrokosz22 Mar 2018, 18:45
Re: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Chris Willmes22 Mar 2018, 20:04
Time-lapse animation of the moonEd Popko22 Mar 2018, 20:46
Re: Doc On Worst Jobs at SeaBruce J. Pennino23 Mar 2018, 01:18
Re: Ship SpeedJeremy C23 Mar 2018, 09:25
History of navigation conference, National Maritime Museum, Greenwich, 24-25 May 2018Richard Dunn26 Mar 2018, 13:50
Low orbit satellites for navigationFrank Reed26 Mar 2018, 19:06
Upon Oceans endorsementWilliam A26 Mar 2018, 19:36
Re: Upon Oceans endorsementSean C27 Mar 2018, 03:25
Sight Reduction Calculator for iOS (update)Tony Oz27 Mar 2018, 08:44
Re: Upon Oceans endorsementJeremy C27 Mar 2018, 10:19
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar 2018, 15:27
Re: Sight Reduction Calculator for iOS (update)Tony Oz27 Mar 2018, 17:39
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar 2018, 20:54
Celnav apps for AndroidAndrés Ruiz28 Mar 2018, 06:40
Re: Celnav apps for AndroidTony Oz28 Mar 2018, 12:50
Re: G is for GreenwichFrank Reed28 Mar 2018, 17:31
ECDIS: What Happens When the GPS Signal Goes Away?Jackson McDonald29 Mar 2018, 21:04
Two Suns on the Horizon?Sean C30 Mar 2018, 05:30
1973 Altitude Correction tablesDavid C30 Mar 2018, 06:55
Re: ECDIS: What Happens When the GPS Signal Goes Away?Jeremy C30 Mar 2018, 09:49
Spam-L--- Re: Two Suns on the Horizon?Robert Wyatt30 Mar 2018, 13:17
Navigational science during the dark daysAnnaig Labornez30 Mar 2018, 14:25
Re: Two Suns on the Horizon?Peter Monta30 Mar 2018, 15:09
Re: Low orbit satellites for navigationPeter Monta30 Mar 2018, 15:40
Re: Two Suns on the Horizon?Frank Reed30 Mar 2018, 15:44
Re: 1973 Altitude Correction tablesFrank Reed30 Mar 2018, 16:02
Sail the tall ship OHP, April 25-May 10Frank Reed30 Mar 2018, 16:22
Beware of Noon Sights this time of YearEd Popko30 Mar 2018, 18:22
Re: Beware of Noon Sights this time of YearFrank Reed30 Mar 2018, 19:21
Re: Navigational science during the dark daysTom Sult30 Mar 2018, 19:48
Re: Sail the tall ship OHP, April 25-May 10Tom Sult30 Mar 2018, 19:55
Re: 1973 Altitude Correction tablesDavid C30 Mar 2018, 22:13
Re: 1973 Altitude Correction tablesDavid C30 Mar 2018, 22:25
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar 2018, 00:39
Re: Beware of Noon Sights this time of YearGreg Rudzinski31 Mar 2018, 01:41
Re: Beware of Noon Sights this time of YearRobin Stuart31 Mar 2018, 12:57
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar 2018, 14:22
Polarized Sunglasses for CNGreg Rudzinski31 Mar 2018, 15:01
Re: Polarized Sunglasses for CNPeter Monta31 Mar 2018, 17:06
Re: Sail the tall ship OHP, April 25-May 10Bob Miorelli31 Mar 2018, 17:47
Re: 1973 Altitude Correction tablesJohn D. Howard31 Mar 2018, 19:18
Luftwaffe Cased Leveling OctantJackson McDonald31 Mar 2018, 23:50
Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed1 Apr 2018, 00:55
Re: Celestial SimulatorPhil Sadler1 Apr 2018, 02:56
Re: Polarized Sunglasses for CNGeoffrey Kolbe1 Apr 2018, 05:51
Re: Two Suns on the Horizon?Nick M1 Apr 2018, 12:38
Re: Two Suns on the Horizon?Frank Reed1 Apr 2018, 16:59
Re: Upon Oceans endorsementWilliam A1 Apr 2018, 20:22
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWilliam A1 Apr 2018, 20:27
Re: Two Suns on the Horizon?Tony Oz1 Apr 2018, 21:50
Re: Polarized Sunglasses for CNTony Oz1 Apr 2018, 22:02
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr 2018, 22:46
Re: Celestial SimulatorPaul Hirose1 Apr 2018, 23:22
Re: Polarized Sunglasses for CNGreg Rudzinski1 Apr 2018, 23:56
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr 2018, 23:58
Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky2 Apr 2018, 13:37
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski2 Apr 2018, 23:49
Re: Celestial SimulatorPhil Sadler3 Apr 2018, 02:44
Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr 2018, 05:34
Re: Nautical Almanac, HO 229 or HO 249Robert VanderPol II3 Apr 2018, 06:19
JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 07:50
Google Honors John Harrison with "Doodle"Sean C3 Apr 2018, 08:46
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz3 Apr 2018, 08:49
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr 2018, 10:20
Re: JPL ephemeresis and Nautical Almanac - speed of light questionMike Mayer3 Apr 2018, 12:24
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart3 Apr 2018, 12:30
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 12:50
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPeter Monta3 Apr 2018, 12:51
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 13:14
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski3 Apr 2018, 17:27
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr 2018, 17:28
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWolfgang Köberer3 Apr 2018, 18:12
Re: Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky3 Apr 2018, 18:51
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr 2018, 19:10
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr 2018, 19:10
Re: Google Honors John Harrison with "Doodle"Brad Morris3 Apr 2018, 19:19
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr 2018, 19:38
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed3 Apr 2018, 19:39
Re: Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr 2018, 21:32
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman3 Apr 2018, 21:40
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr 2018, 22:15
Re: Nautical Almanac, HO 229 or HO 249John D. Howard3 Apr 2018, 22:38
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr 2018, 06:34
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr 2018, 07:08
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hughes4 Apr 2018, 09:34
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart4 Apr 2018, 11:57
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed4 Apr 2018, 16:29
Quick Estimate of Sun DeclinationFrank Reed5 Apr 2018, 02:06
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski5 Apr 2018, 04:19
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hirose5 Apr 2018, 04:56
Re: Quick Estimate of Sun DeclinationHerman Dekker5 Apr 2018, 10:20
Universal Plotting Sheet at High LatitudesBob Goethe5 Apr 2018, 11:36
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz5 Apr 2018, 13:07
Re: Quick Estimate of Sun Declination: analemmas?max mulhern5 Apr 2018, 15:12
Re: Quick Estimate of Sun Declination: analemmas?Frank Reed5 Apr 2018, 16:02
Re: Quick Estimate of Sun DeclinationFrank Reed5 Apr 2018, 18:49
Re: Quick Estimate of Sun DeclinationTony Oz5 Apr 2018, 18:52
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman5 Apr 2018, 20:35
Re: Quick Estimate of Sun Declination: analemmas?max mulhern6 Apr 2018, 13:47
Lunar-Distance correction for OblatenessEd Popko6 Apr 2018, 14:12
Second hand sextant adviceEdward Colonna6 Apr 2018, 15:36
Re: Lunar-Distance correction for OblatenessFrank Reed6 Apr 2018, 18:48
Re: Second hand sextant adviceFrank Reed6 Apr 2018, 18:59
Re: Second hand sextant adviceChris Caswell6 Apr 2018, 19:06
Re: Second hand sextant adviceKen Gebhart6 Apr 2018, 19:10
Re: Second hand sextant adviceGreg Rudzinski6 Apr 2018, 20:10
Re: Lunar-Distance correction for OblatenessEd Popko6 Apr 2018, 20:24
Re: Lunar-Distance correction for OblatenessSean C7 Apr 2018, 01:00
Re: Lunar-Distance correction for OblatenessFrank Reed7 Apr 2018, 02:10
Re: Second hand sextant adviceBruce Cutting7 Apr 2018, 21:37
Re: Second hand sextant adviceBill Morris7 Apr 2018, 21:50
Re: Second hand sextant adviceDavid C7 Apr 2018, 22:31
Correction for diameter of the earthC Solo7 Apr 2018, 23:56
Re: Second hand sextant adviceJackson McDonald8 Apr 2018, 01:26
Re: Correction for diameter of the earthSean C8 Apr 2018, 04:43
Re: Second hand sextant adviceAlan S8 Apr 2018, 04:47
Re: Second hand sextant adviceMichael Bradley8 Apr 2018, 09:18
New York Times article on Viking Navigation and their use of "Sunstones"Ed Popko8 Apr 2018, 10:34
Photo of horizonRobert VanderPol II8 Apr 2018, 15:27
Article: Inside the Worst U.S. Maritime Disaster in DecadesJackson McDonald9 Apr 2018, 01:54
Re: New York Times article on Viking Navigation and their use of "Sunstones"Erland Andersen9 Apr 2018, 02:15
Henning Umland's spreadsheets.Bill Lionheart9 Apr 2018, 02:20
Re: Photo of horizonSean C9 Apr 2018, 02:23
Re: New York Times article on Viking Navigation and their use of "Sunstones"Wolfgang Köberer9 Apr 2018, 07:12
Re: Article: Inside the Worst U.S. Maritime Disaster in DecadesEd Popko9 Apr 2018, 11:35
Re: Photo of horizonRobert VanderPol II9 Apr 2018, 13:46
Re: New York Times article on Viking Navigation and their use of "Sunstones"Tony Oz9 Apr 2018, 14:05
Re: New York Times article on Viking Navigation and their use of "Sunstones"Bob Goethe9 Apr 2018, 15:44
Wikipedia Article on "Stellar Triangulation"Fred Hebard9 Apr 2018, 15:54
Lunars: Altitude Accuracy (revisited)Ed Popko9 Apr 2018, 16:37
Re: Second hand sextant adviceBob Goethe9 Apr 2018, 16:58
Re: Wikipedia Article on "Stellar Triangulation"Frank Reed9 Apr 2018, 17:50
Re: Henning Umland's spreadsheets.Bill Lionheart10 Apr 2018, 14:06
Lewis and Clark LunarsGreg Rudzinski10 Apr 2018, 15:48
Re: Henning Umland's spreadsheets.Paul Hirose10 Apr 2018, 19:56
Re: Henning Umland's spreadsheets.Brad Morris10 Apr 2018, 20:13
SNO-T for sale, £300Robert VanderPol II11 Apr 2018, 12:19
Re: Henning Umland's spreadsheets.Frank Reed11 Apr 2018, 16:39
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed11 Apr 2018, 17:00
Re: Sail the tall ship OHP, April 25-May 10Frank Reed11 Apr 2018, 17:08
Re: Henning Umland's javascript web appBill Lionheart11 Apr 2018, 17:53
Sumner Line SR by Martelli TableGreg Rudzinski11 Apr 2018, 18:03
Re: Wikipedia Article on "Stellar Triangulation"Fred Hebard11 Apr 2018, 19:21
New Edition of BowditchRommel John Miller11 Apr 2018, 20:02
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer11 Apr 2018, 21:53
Re: New Edition of BowditchKen Gebhart11 Apr 2018, 22:00
Video tour of our MoonEd Popko12 Apr 2018, 15:12
Re: Video tour of our MoonSean C13 Apr 2018, 02:13
More accurate version of Pub 249 Vol 1 - is it needed?Rafal O.13 Apr 2018, 11:17
The marquis de Chabert & the lunar distanceDucruy Jacques13 Apr 2018, 16:08
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook13 Apr 2018, 16:22
Re: More accurate version of Pub 249 Vol 1 - is it needed?David Pike13 Apr 2018, 20:07
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook14 Apr 2018, 05:42
Ghost Ring vs. Sight TubeGreg Rudzinski14 Apr 2018, 19:49
Mirages and refraction.Tony Oz14 Apr 2018, 22:34
Re: SNO-T for sale, £300Örjan Sandström15 Apr 2018, 12:02
Celesticomp V instructionsBrian Lloyd15 Apr 2018, 15:05
Sextant as hand luggage on a planeBill Lionheart15 Apr 2018, 16:20
Re: Celesticomp V instructionsJohn Carbone15 Apr 2018, 18:21
Re: Sextant as hand luggage on a planeAlejandro Purgue15 Apr 2018, 18:28
Re: Sextant as hand luggage on a planeRobert Eno15 Apr 2018, 19:06
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr 2018, 19:16
Re: Sextant as hand luggage on a planeRobin Stuart15 Apr 2018, 19:42
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr 2018, 20:37
Re: SNO-T for sale, £300Robert VanderPol II15 Apr 2018, 21:10
Re: Sextant as hand luggage on a planeAlan S15 Apr 2018, 22:37
Re: Celesticomp V instructionsStan K15 Apr 2018, 23:43
Re: Sextant as hand luggage on a planeKen Gebhart16 Apr 2018, 17:26
Lunars: this weekend at Mystic SeaportFrank Reed16 Apr 2018, 18:28
Re: Lunars: this weekend at Mystic SeaportFrank Reed16 Apr 2018, 18:40
Re: WWII bubble sextants and radiumGary LaPook17 Apr 2018, 00:16
Re: Lunars: this weekend at Mystic SeaportEd Popko17 Apr 2018, 00:59
Re: Sextant as hand luggage on a planeAlan S17 Apr 2018, 04:02
Re: Lunars: this weekend at Mystic SeaportJeremy C17 Apr 2018, 12:26
Micrometer vernierFrank Reed17 Apr 2018, 17:03
Re: Micrometer vernierBob Goethe17 Apr 2018, 17:40
Re: Micrometer vernierDavid Fleming17 Apr 2018, 17:46
Re: Micrometer vernierFrank Reed17 Apr 2018, 18:00
Re: Micrometer vernierWilliam Edward Henry17 Apr 2018, 22:47
Re: Micrometer vernierMichael Bradley17 Apr 2018, 22:48
Re: Micrometer vernierBill Morris18 Apr 2018, 00:04
Re: Micrometer vernierDavid Pike18 Apr 2018, 11:35
Re: Micrometer vernierTony Oz18 Apr 2018, 12:55
Re: Lunars: this weekend at Mystic SeaportRobin Stuart18 Apr 2018, 13:21
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski18 Apr 2018, 16:59
Re: Lunars: this weekend at Mystic SeaportEd Popko18 Apr 2018, 17:00
Re: Micrometer vernierPosth P18 Apr 2018, 17:08
Re: Micrometer vernierPeter Monta18 Apr 2018, 22:07
Re: Micrometer vernierAlexandre Eremenko18 Apr 2018, 22:42
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr 2018, 04:00
Finding the EnduranceDavid C19 Apr 2018, 07:02
Re: Micrometer vernierTony Oz19 Apr 2018, 08:50
Re: Lunars: this weekend at Mystic SeaportEd Popko19 Apr 2018, 10:15
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr 2018, 15:33
Moon-rise/set with Air Almanac: how to?Tony Oz19 Apr 2018, 17:44
HO-211 Hulbert Hinkel Jr.Robert VanderPol II20 Apr 2018, 03:42
Re: Moon-rise/set with Air Almanac: how to?Robert Bernecky20 Apr 2018, 14:13
Lumpy lunar edgeEd Popko20 Apr 2018, 18:08
Re: Viking Navigation and "Sunstones"Tony Oz22 Apr 2018, 07:33
Sight reduction program for iPhonesChris Caswell22 Apr 2018, 13:13
Celestial Tools V5.6.9Stan K22 Apr 2018, 18:08
Re: Viking Navigation and "Sunstones"Geoffrey Kolbe23 Apr 2018, 05:14
Longest Straight Line Paths on Water or Land on the EarthRobert H. van Gent23 Apr 2018, 18:51
Re: Longest Straight Line Paths on Water or Land on the EarthAlexandre Eremenko23 Apr 2018, 20:21
Compassipedia online compass museumPaul Hirose23 Apr 2018, 21:41
Re: Longest Straight Line Paths on Water or Land on the EarthJohn D. Howard23 Apr 2018, 23:43
Re: Longest Straight Line Paths on Water or Land on the EarthRobert VanderPol II24 Apr 2018, 04:24
Re: Longest Straight Line Paths on Water or Land on the EarthPeter Hakel24 Apr 2018, 12:31
Autonomous ships are coming.Gary LaPook24 Apr 2018, 17:20
Re: Autonomous ships are coming.Lu Abel24 Apr 2018, 18:52
Re: Autonomous ships are coming.Jeremy C25 Apr 2018, 06:23
Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr 2018, 01:49
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayDavid C28 Apr 2018, 03:48
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr 2018, 04:19
Celestial Navigation is so simpleDon Seltzer28 Apr 2018, 15:47
Re: Celestial Navigation is so simpleGary LaPook28 Apr 2018, 16:39
Re: Celestial Navigation is so simpleGreg Rudzinski28 Apr 2018, 17:35
Re: Celestial Navigation is so simpleAlan S28 Apr 2018, 18:23
Navigation ModulesAlan S28 Apr 2018, 20:41
Re: Navigation ModulesAntoine Couëtte29 Apr 2018, 06:34
Re: Navigation ModulesAntoine Couëtte29 Apr 2018, 10:24
Re: Navigation ModulesStan K29 Apr 2018, 15:12
Re: Navigation ModulesRobin Stuart29 Apr 2018, 17:47
John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn29 Apr 2018, 21:34
Re: John Karl's Celestial Navigation in the GPS AgeRobert VanderPol II29 Apr 2018, 22:02
Re: John Karl's Celestial Navigation in the GPS AgeStan K29 Apr 2018, 23:00
Re: Navigation ModulesAndrew Nikitin30 Apr 2018, 12:43
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky30 Apr 2018, 13:48
Re: Navigation ModulesRobin Stuart30 Apr 2018, 19:21
Mark 7 Knee-Mounted Plotting BoardMiles B. Anderson30 Apr 2018, 20:43
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn30 Apr 2018, 22:43
Re: John Karl's Celestial Navigation in the GPS AgeSean C30 Apr 2018, 23:45
Celestial Tools V5.6.10Stan K1 May 2018, 00:08
Re: John Karl's Celestial Navigation in the GPS AgeStan K1 May 2018, 00:38
Astra box & other wood instrument box FSTom Mackie1 May 2018, 01:27
Re: John Karl's Celestial Navigation in the GPS AgeSean C1 May 2018, 02:14
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky1 May 2018, 13:31
Re: Longest Straight Line Paths on Water or Land on the EarthFrank Reed1 May 2018, 22:08
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn1 May 2018, 22:49
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:40
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:52
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 08:44
LOPs from LunarsEd Popko2 May 2018, 17:01
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 17:57
Re: Navigation ModulesDouglas Stephen2 May 2018, 21:30
Mystic Seaport MuseumFrank Reed3 May 2018, 02:11
Re: Navigation ModulesAntoine Couëtte3 May 2018, 07:21
VP-OS Plotting SheetsBob Goethe3 May 2018, 17:38
A paper sextant sight...Frank Reed3 May 2018, 19:55
22 degree haloBob Goethe3 May 2018, 21:28
Re: Mystic Seaport MuseumTony Oz4 May 2018, 08:14
Re: Mystic Seaport MuseumRobert Wyatt4 May 2018, 13:51
Re: Mystic Seaport MuseumJackson McDonald5 May 2018, 02:13
Re: Fitzgerald and McCain CollisionsSean C5 May 2018, 04:51
Re: Fitzgerald and McCain CollisionsRobert VanderPol II5 May 2018, 15:10
Re: LOPs from LunarsFrank Reed5 May 2018, 17:48
Re: Sight reduction program for iPhonesFrank Reed5 May 2018, 18:53
Re: Mystic Seaport MuseumFrank Reed5 May 2018, 19:06
Re: Fitzgerald and McCain CollisionsLu Abel5 May 2018, 19:39
Re: Mystic Seaport MuseumCharles McElhill5 May 2018, 19:57
Re: Mystic Seaport MuseumFrank Reed5 May 2018, 21:48
Re: LOPs from LunarsEd Popko6 May 2018, 10:33
Sextant auction. Windham, NH, May 20Jackson McDonald6 May 2018, 15:36
Re: A paper sextant sight...Frank Reed6 May 2018, 17:59
Re: Sight reduction program for iPhonesPete Solon Palmer6 May 2018, 21:39
Pyongyang Time is gone againFrank Reed7 May 2018, 00:33
Re: Sight reduction program for iPhonesStan K7 May 2018, 01:23
Re: Mark 7 Knee-Mounted Plotting BoardTracy Shrier7 May 2018, 03:06
Re: Sight reduction program for iPhonesAndrés Ruiz7 May 2018, 06:22
Re: Sight reduction program for iPhonesStan K7 May 2018, 10:31
Re: A paper sextant sight...Greg Rudzinski7 May 2018, 13:47
Re: Sextant auction. Windham, NH, May 20David Pike7 May 2018, 16:05
Re: Sextant auction. Windham, NH, May 20Lars Bergman7 May 2018, 18:32
Re: Sextant auction. Windham, NH, May 20Greg Rudzinski7 May 2018, 20:07
Re: Sextant auction. Windham, NH, May 20Jackson McDonald7 May 2018, 21:50
Re: A paper sextant sight...John D. Howard8 May 2018, 00:09
Re: A paper sextant sight...Greg Rudzinski8 May 2018, 01:01
Re: Sextant auction. Windham, NH, May 20Robert VanderPol II8 May 2018, 05:15
Longitude sight, South Pacific, 1864Frank Reed8 May 2018, 05:28
Re: A paper sextant sight...Herman Dekker8 May 2018, 08:32
Use of Marine Sextants in AircraftDavid Pike8 May 2018, 08:38
Re: A paper sextant sight...John D. Howard8 May 2018, 09:30
Re: Longitude sight, South Pacific, 1864Ed Popko8 May 2018, 11:15
Re: Sextant auction. Windham, NH, May 20Fred Hebard8 May 2018, 12:09
Mercury AH in aircraft sextants?Tony Oz8 May 2018, 14:33
Re: Mercury AH in aircraft sextants?David Pike8 May 2018, 16:28
Re: Use of Marine Sextants in AircraftLars Bergman8 May 2018, 18:07
Re: Longitude sight, South Pacific, 1864Robin Stuart8 May 2018, 20:21
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:03
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:15
Re: Use of Marine Sextants in AircraftFred Hebard8 May 2018, 21:40
Re: Mercury AH in aircraft sextants?Bill Morris8 May 2018, 22:17
Re: Sight reduction program for iPhonesChris Caswell8 May 2018, 22:18
Re: Sextant auction. Windham, NH, May 20Bill Morris8 May 2018, 22:24
Re: Mark 7 Knee-Mounted Plotting BoardChris Caswell8 May 2018, 22:55
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 08:29
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 08:37
Re: Mercury AH in aircraft sextants?David Pike9 May 2018, 08:42
Re: Longitude sight, South Pacific, 1864Ed Popko9 May 2018, 11:39
Re: Longitude sight, South Pacific, 1864Frank Reed9 May 2018, 15:33
Re: Longitude sight, South Pacific, 1864Frank Reed9 May 2018, 15:46
Re: Use of Marine Sextants in AircraftFred Hebard9 May 2018, 17:17
Re: Use of Marine Sextants in AircraftGary LaPook9 May 2018, 17:31
Re: Use of Marine Sextants in AircraftBrad Morris9 May 2018, 18:21
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 18:28
Re: Longitude sight, South Pacific, 1864Ed Popko9 May 2018, 21:22
Re: Use of Marine Sextants in AircraftFred Hebard10 May 2018, 02:17
Re: Use of Marine Sextants in AircraftDavid Pike10 May 2018, 11:02
Time sight DurationBruce J. Pennino10 May 2018, 13:05
For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser10 May 2018, 14:51
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz10 May 2018, 15:33
Re: Longitude sight, South Pacific, 1864Frank Reed10 May 2018, 18:55
Re: Longitude sight, South Pacific, 1864Antonio Sauci10 May 2018, 19:55
Re: Longitude sight, South Pacific, 1864Ed Popko10 May 2018, 23:43
Re: Use of Marine Sextants in AircraftFred Hebard11 May 2018, 01:03
Re: Time sight DurationHenry Halboth11 May 2018, 05:36
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook11 May 2018, 06:04
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser11 May 2018, 09:43
Re: For which celestial bodies is it relevant to display the lunar distance?Andrés Ruiz11 May 2018, 10:31
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz11 May 2018, 13:58
My lunar distance tables online...Frank Reed11 May 2018, 20:09
Re: Navigating with GPS, opticallyBill Gray11 May 2018, 23:25
Re: Navigating with GPS, opticallyPeter Monta12 May 2018, 06:16
Robin Knox-Johnston: The first man to sail non-stop solo around the worldEd Popko12 May 2018, 11:28
Re: My lunar distance tables online...Tony Oz12 May 2018, 11:45
Re: My lunar distance tables online...Ken Muldrew12 May 2018, 15:59
Re: Longitude sight, South Pacific, 1864Ed Popko12 May 2018, 21:01
Moon HP and Earth SDFrank Reed13 May 2018, 01:33
Ganimede through a 30*6 scope?Tony Oz13 May 2018, 08:34
Re: Moon HP and Earth SDLars Bergman13 May 2018, 18:36
Re: Moon HP and Earth SDLars Bergman13 May 2018, 20:25
Re: Ganimede through a 30*6 scope?Frank Reed13 May 2018, 20:32
Re: Ganymede through a 30*6 scope?Bill Gray14 May 2018, 02:06
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 02:12
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 02:21
Re: Longitude sight, South Pacific, 1864Michael Bradley14 May 2018, 07:49
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 11:07
Re: Moon HP and Earth SDmax mulhern14 May 2018, 11:26
Re: Moon HP and Earth SDTony Oz14 May 2018, 13:03
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 17:51
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 18:44
Buoyage in BermudaLu Abel14 May 2018, 19:12
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 20:31
Re: Buoyage in BermudaAndrés Ruiz15 May 2018, 08:34
19th c Local and Greenwich Time ConventionsEd Popko15 May 2018, 12:48
Re: 19th c Local and Greenwich Time ConventionsFrank Reed15 May 2018, 19:04
Re: Longitude sight, South Pacific, 1864Ed Popko15 May 2018, 20:05
Re: Longitude sight, South Pacific, 1864Frank Reed15 May 2018, 20:11
Re: Buoyage in BermudaFrank Reed15 May 2018, 20:12
Re: Longitude sight, South Pacific, 1864Ed Popko16 May 2018, 00:21
Re: Longitude sight, South Pacific, 1864Frank Reed16 May 2018, 01:36
Re: Longitude sight, South Pacific, 1864Frank Reed16 May 2018, 21:22
Re: Longitude sight, South Pacific, 1864Ed Popko16 May 2018, 21:48
Re: Longitude sight, South Pacific, 1864Charles McElhill16 May 2018, 23:24
Re: Longitude sight, South Pacific, 1864Brad Morris17 May 2018, 00:09
Re: Longitude sight, South Pacific, 1864Charles McElhill17 May 2018, 00:40
Time-sight time conventionsEd Popko17 May 2018, 18:11
Sun over the VolcanoFrank Reed17 May 2018, 18:25
ESA vision of milky way.Francis Upchurch17 May 2018, 19:09
Re: ESA vision of milky way.Frank Reed17 May 2018, 19:32
Re: Longitude sight, South Pacific, 1864Henry Halboth17 May 2018, 23:13
Re: Time-sight time conventionsJohn D. Howard17 May 2018, 23:20
Re: 19th c Local and Greenwich Time ConventionsHenry Halboth17 May 2018, 23:42
Re: Time-sight time conventionsSean C18 May 2018, 00:48
Re: ESA vision of milky way.Peter Monta18 May 2018, 02:32
Re: ESA vision of milky way.Peter Monta18 May 2018, 02:58
Re: Longitude sight, South Pacific, 1864Sean C18 May 2018, 05:41
Re: Links not workingSean C18 May 2018, 06:25
Sextants in spacePaul Dolkas18 May 2018, 17:43
Re: Sextants in spaceGreg Rudzinski18 May 2018, 18:20
Re: Sextants in spaceFrank Reed18 May 2018, 18:35
Re: Sextants in spaceFrank Reed18 May 2018, 18:49
Re: Sextants in spaceFrank Reed18 May 2018, 19:08
Re: Sextants in spaceLuc Van den Borre18 May 2018, 20:39
Re: Sextants in spaceGreg Rudzinski18 May 2018, 21:12
Re: Sextants in spacePaul Dolkas19 May 2018, 00:27
Re: Sextants in spacePaul Dolkas19 May 2018, 00:57
Re: Sextants in spaceRobert VanderPol II19 May 2018, 04:53
Re: Sextants in spaceBrad Morris19 May 2018, 14:16
Re: Longitude sight, South Pacific, 1864Ed Popko19 May 2018, 18:54
Re: Time-sight time conventionsPaul Hirose20 May 2018, 07:05
Re: Time-sight time conventionsEd Popko20 May 2018, 12:46
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 03:06
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 03:07
Re: Longitude sight, South Pacific, 1864Frank Reed21 May 2018, 05:28
Small booklet of EOT and DecJohn D. Howard21 May 2018, 11:35
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser21 May 2018, 12:12
Re: Small booklet of EOT and DecGreg Rudzinski21 May 2018, 13:08
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz21 May 2018, 15:09
Re: Small booklet of EOT and DecTony Oz21 May 2018, 15:17
Re: Small booklet of EOT and DecPaul Hughes21 May 2018, 15:50
Re: Small booklet of EOT and DecFrank Reed21 May 2018, 16:18
Re: Small booklet of EOT and DecJohn D. Howard21 May 2018, 16:38
Re: Small booklet of EOT and DecFrank Reed21 May 2018, 16:44
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 17:36
Re: Small booklet of EOT and DecJohn D. Howard21 May 2018, 20:53
Re: Longitude sight, South Pacific, 1864Ed Popko22 May 2018, 00:45
Re: Longitude sight, South Pacific, 1864Henry Halboth22 May 2018, 03:23
Re: Small booklet of EOT and DecPaul Hughes22 May 2018, 04:47
Re: Time-sight time conventionsPaul Hirose22 May 2018, 05:16
Re: Time-sight time conventionsEd Popko22 May 2018, 11:42
Re: Time-sight time conventionsDon Seltzer22 May 2018, 14:34
Re: Time-sight time conventionsFrank Reed22 May 2018, 14:35
Re: Sextants in spaceFrank Reed22 May 2018, 17:43
(off-topic) Navigation and guidance automationFrank Reed22 May 2018, 18:51
L'Hermione in PasajesAndrés Ruiz22 May 2018, 19:24
Re: Time-sight time conventionsPaul Hirose23 May 2018, 04:38
Re: Sextants in spacePaul Dolkas23 May 2018, 06:14
Survival SextantGreg Rudzinski23 May 2018, 14:17
Fogging OpticsRob Hansen23 May 2018, 14:37
Re: Sextants in spaceEd Popko23 May 2018, 17:25
The American MeridianJackson McDonald23 May 2018, 17:44
Re: The American MeridianPaul Hughes23 May 2018, 18:32
Re: The American MeridianRobert Wyatt23 May 2018, 18:52
Re: The American MeridianRobert VanderPol II23 May 2018, 19:12
Re: The American MeridianJackson McDonald23 May 2018, 20:40
Re: Time-sight time conventionsEd Popko23 May 2018, 20:59
Re: Sextants in spaceBob Goethe23 May 2018, 21:06
Re: The American MeridianBruce J. Pennino23 May 2018, 21:07
Re: The American MeridianDave Walden24 May 2018, 01:55
Re: The American MeridianFrank Reed24 May 2018, 02:37
Re: The American MeridianPeter Monta24 May 2018, 03:04
Re: Survival SextantPeter Monta24 May 2018, 03:28
Re: Survival SextantGreg Rudzinski24 May 2018, 11:39
Re: The American MeridianJohn D. Howard24 May 2018, 11:51
New booksWolfgang Köberer24 May 2018, 13:30
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser24 May 2018, 13:40
Cassens & Plath with DHI LabelRob Hansen24 May 2018, 17:41
Re: Cassens & Plath with DHI LabelWolfgang Köberer24 May 2018, 17:54
Re: (off-topic) Navigation and guidance automationPeter Smith24 May 2018, 19:41
Re: Cassens & Plath with DHI LabelLuc Van den Borre24 May 2018, 19:49
Re: Cassens & Plath with DHI LabelRob Hansen24 May 2018, 19:50
Re: Cassens & Plath with DHI LabelRob Hansen24 May 2018, 21:39
Re: The American MeridianPeter Monta25 May 2018, 04:12
Re: Time-sight time conventionsJohn D. Howard25 May 2018, 11:20
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz25 May 2018, 13:02
Re: Time-sight time conventionsRoger W. Sinnott25 May 2018, 13:32
Re: Time-sight time conventionsEd Popko25 May 2018, 14:52
Re: Time-sight time conventionsJohn D. Howard25 May 2018, 16:17
Re: Time-sight time conventionsEd Popko25 May 2018, 18:01
Re: Time-sight time conventionsRoger W. Sinnott26 May 2018, 17:38
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser26 May 2018, 18:13
Lunar limb illumination when nearly full?Peter Monta28 May 2018, 06:44
Re: Lunar limb illumination when nearly full?Paul Hughes28 May 2018, 08:53
Re: Lunar limb illumination when nearly full?Frank Reed28 May 2018, 20:46
Celesticomp V completeBob Todd29 May 2018, 17:38
Stacked-mirror sextantPeter Monta31 May 2018, 06:09
Latitude by two altitudes and the elapsed timeAndrés Ruiz31 May 2018, 10:07
Re: Stacked-mirror sextantTony Oz31 May 2018, 13:49
Boeing Clipper 1930sJackson McDonald31 May 2018, 22:56
Re: Stacked-mirror sextantGreg Rudzinski1 Jun 2018, 03:25
Re: Boeing Clipper 1930sGeoffrey Kolbe1 Jun 2018, 12:15
Re: Boeing Clipper 1930sEd Popko1 Jun 2018, 12:29
Re: Stacked-mirror sextantPeter Monta1 Jun 2018, 12:58
Re: Boeing Clipper 1930sBrad Morris1 Jun 2018, 13:03
Re: Boeing Clipper 1930sJohn D. Howard1 Jun 2018, 13:22
Re: Boeing Clipper 1930sNoell Wilson1 Jun 2018, 14:02
Re: Boeing Clipper 1930sEd Popko1 Jun 2018, 15:58
Re: Stacked-mirror sextantTony Oz1 Jun 2018, 18:01
Re: Latitude by two altitudes and the elapsed timeGeoffrey Kolbe1 Jun 2018, 18:47
Re: Boeing Clipper 1930sDavid C1 Jun 2018, 22:40
Re: Stacked-mirror sextantPeter Monta1 Jun 2018, 23:16
Practical Air Navigation (C&GS Special Publication 197)Paul Hirose2 Jun 2018, 06:00
Bris reflector and stacked Bris reflectorsBob Crawley2 Jun 2018, 12:37
Re: Bris reflector and stacked Bris reflectorsGreg Rudzinski3 Jun 2018, 00:35
Re: Latitude by two altitudes and the elapsed timeAndrés Ruiz3 Jun 2018, 09:52
Re: Stacked-mirror sextantTony Oz3 Jun 2018, 11:26
Re: Stacked-mirror sextantGreg Rudzinski3 Jun 2018, 16:39
Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski3 Jun 2018, 17:24
Ebay kollsman periscope sextantsMerlijn Frijda4 Jun 2018, 00:23
Re: Stacked-mirror sextantPeter Monta4 Jun 2018, 13:06
Re: Ebay kollsman periscope sextantsDavid Pike4 Jun 2018, 13:15
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 16:19
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun 2018, 17:34
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 18:37
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun 2018, 20:26
Re: Ebay kollsman periscope sextantsChris Caswell4 Jun 2018, 22:34
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 22:36
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun 2018, 23:39
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun 2018, 23:51
Re: Ebay kollsman periscope sextantsGary LaPook5 Jun 2018, 07:52
How height affects sun altitude‏Ziad Anas5 Jun 2018, 11:23
Re: Ebay kollsman periscope sextantsMerlijn Frijda5 Jun 2018, 12:34
Re: Ebay kollsman periscope sextantsDavid Pike5 Jun 2018, 15:12
Re: Ebay kollsman periscope sextantsPaul Dolkas5 Jun 2018, 18:41
Re: How height affects sun altitudeFrank Reed5 Jun 2018, 18:44
Re: Beating a Dead Horse (aka Worsley's Sextant)David Pike5 Jun 2018, 20:10
Re: How height affects sun altitudeZiad Anas5 Jun 2018, 20:22
Re: How height affects sun altitudeGary LaPook5 Jun 2018, 22:06
Re: Beating a Dead Horse (aka Worsley's Sextant)Brad Morris6 Jun 2018, 00:44
Re: How height affects sun altitudeZiad Anas6 Jun 2018, 09:28
Re: Ebay kollsman periscope sextantsDavid Pike6 Jun 2018, 15:03
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun 2018, 01:00
Re: Ebay kollsman periscope sextantsDavid Pike7 Jun 2018, 07:55
A Ball Bearing in a dish as a referenceDavid Pike7 Jun 2018, 12:19
Re: Ebay kollsman periscope sextantsNoell Wilson7 Jun 2018, 14:01
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun 2018, 17:03
Re: A Ball Bearing in a dish as a referencePaul Dolkas7 Jun 2018, 17:06
Precalculating LHA(t) for Fixed Angle ReflectorsGreg Rudzinski8 Jun 2018, 01:34
C. Plath optical instrumentFrank Reed8 Jun 2018, 03:36
Re: C. Plath optical instrumentSean C8 Jun 2018, 04:56
Re: C. Plath optical instrumentLuc Van den Borre8 Jun 2018, 07:11
Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun 2018, 10:57
Re: Chronology of Celestial Navigation and Related TopicsAntoine Couëtte8 Jun 2018, 12:01
Re: Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun 2018, 14:25
Re: Ebay kollsman periscope sextantsNoell Wilson8 Jun 2018, 16:21
BBC: Ship hack 'risks chaos in English Channel'Bob Goethe8 Jun 2018, 17:55
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsC Solo8 Jun 2018, 19:02
In memoriam: Yves Robin-JouanFrank Reed8 Jun 2018, 20:36
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski8 Jun 2018, 21:06
Re: Chronology of Celestial Navigation and Related TopicsBob Goethe8 Jun 2018, 23:32
Re: A Ball Bearing in a dish as a referencePaul Hirose9 Jun 2018, 05:18
Re: A Ball Bearing in a dish as a referencePeter Monta9 Jun 2018, 07:36
Re: Chronology of Celestial Navigation and Related TopicsEd Popko9 Jun 2018, 09:29
Re: Ebay kollsman periscope sextantsNoell Wilson9 Jun 2018, 16:56
C Plath SextantRichard Libby9 Jun 2018, 17:37
Re: C Plath SextantFrank Reed9 Jun 2018, 18:01
Re: C Plath SextantEd Popko9 Jun 2018, 19:11
AwesomeGerald van Wilgen10 Jun 2018, 01:26
Re: Chronology of Celestial Navigation and Related TopicsDavid C10 Jun 2018, 03:04
Re: A Ball Bearing in a dish as a referencePaul Hirose10 Jun 2018, 05:41
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun 2018, 06:41
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun 2018, 07:01
Re: Chronology of Celestial Navigation and Related TopicsBill Lionheart10 Jun 2018, 08:58
Re: Chronology of Celestial Navigation and Related Topics (Update 1)Ed Popko10 Jun 2018, 11:19
Re: Chronology of Celestial Navigation and Related TopicsFrancis Upchurch10 Jun 2018, 11:21
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun 2018, 13:57
Re: AwesomeBrad Morris10 Jun 2018, 14:04
Re: A Ball Bearing in a dish as a referenceBrad Morris10 Jun 2018, 14:14
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun 2018, 15:17
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun 2018, 16:29
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun 2018, 18:11
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun 2018, 18:21
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun 2018, 18:43
Movie AdriftGreg Rudzinski10 Jun 2018, 23:22
Re: Movie AdriftFrank Reed10 Jun 2018, 23:37
Re: Movie AdriftPete Solon Palmer11 Jun 2018, 02:46
Re: Movie AdriftGary LaPook11 Jun 2018, 04:32
Re: In memoriam: Yves Robin-JouanAndrés Ruiz11 Jun 2018, 09:47
Re: Movie AdriftEd Popko11 Jun 2018, 10:19
Re: Movie AdriftFrank Reed11 Jun 2018, 15:41
Re: Movie AdriftHewitt Schlereth11 Jun 2018, 22:10
Shortwave radio and the evolution of celestial navigationFrank Reed12 Jun 2018, 19:00
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch12 Jun 2018, 20:08
Re: Shortwave radio and the evolution of celestial navigationEd Popko12 Jun 2018, 20:38
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth12 Jun 2018, 21:03
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun 2018, 22:08
Re: Shortwave radio and the evolution of celestial navigationBill Lionheart12 Jun 2018, 22:22
Another factor of ten for smartphone navigationFrank Reed12 Jun 2018, 22:48
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun 2018, 22:53
Dip shortJackson McDonald13 Jun 2018, 00:46
Re: Dip shortFrank Reed13 Jun 2018, 01:35
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth13 Jun 2018, 01:44
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:17
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, 05:22
Re: Shortwave radio and the evolution of celestial navigationGeoffrey Kolbe13 Jun 2018, 05:46
Re: Dip shortStan K13 Jun 2018, 05:50
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun 2018, 07:41
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun 2018, 07:44
Re: Shortwave radio and the evolution of celestial navigationBob Goethe13 Jun 2018, 08:53
Re: A Ball Bearing in a dish as a referenceTony Oz13 Jun 2018, 08:59
Re: Shortwave radio and the evolution of celestial navigationEd Popko13 Jun 2018, 10:26
Re: C Plath SextantRichard Libby13 Jun 2018, 16:23
Re: C Plath SextantGerald van Wilgen13 Jun 2018, 17:08
Low tech around the world raceGerald van Wilgen13 Jun 2018, 17:12
Re: A Ball Bearing in a dish as a referenceBrad Morris13 Jun 2018, 20:03
Re: A Ball Bearing in a dish as a referenceFrank Reed13 Jun 2018, 21:13
Hamilton 4992B GCT watch FSPaul Hirose14 Jun 2018, 05:05
Shadows on Google Maps Satellite PhotographsDavid Pike14 Jun 2018, 14:03
Re: Hamilton 4992B GCT watch FSGreg Rudzinski14 Jun 2018, 18:24
Re: Shadows on Google Maps Satellite PhotographsFrank Reed14 Jun 2018, 18:37
Re: Hamilton 4992B GCT watch FSBill Morris14 Jun 2018, 19:19
Re: Shadows on Google Maps Satellite PhotographsSean C14 Jun 2018, 23:06
Lunar laser eye safetyPaul Hirose14 Jun 2018, 23:54
Re: Lunar laser eye safetyPeter Monta15 Jun 2018, 10:51
Kollsman sextant with MOUNT now on ebay.Gary LaPook16 Jun 2018, 22:38
Bubble sextant patentsEd Popko17 Jun 2018, 11:09
Re: Bubble sextant patentsGreg Rudzinski17 Jun 2018, 17:14
Re: Bubble sextant patentsRobert Eno17 Jun 2018, 17:39
Re: Kollsman sextant with MOUNT now on ebay.David Pike17 Jun 2018, 21:11
Re: Kollsman sextant with MOUNT now on ebay.Jacob M. Huffman III17 Jun 2018, 22:52
Which Nav-Station is this?David Pike18 Jun 2018, 08:24
Re: Shadows on Google Maps Satellite PhotographsDavid Pike18 Jun 2018, 09:55
Re: Which Nav-Station is this?John D. Howard19 Jun 2018, 20:16
Re: Which Nav-Station is this?John D. Howard19 Jun 2018, 22:00
Re: Which Nav-Station is this?David Pike20 Jun 2018, 08:58
Re: Which Nav-Station is this?John D. Howard20 Jun 2018, 16:21
Re: Which Nav-Station is this?Paul Hirose20 Jun 2018, 17:44
Re: Which Nav-Station is this?David Pike20 Jun 2018, 18:10
The Astrograph ExplainedDavid Pike20 Jun 2018, 18:41
Determining refraction in 19th CenturyEd Popko21 Jun 2018, 10:37
Where was the solstice?Frank Reed21 Jun 2018, 13:04
Re: Determining refraction in 19th CenturyBruce J. Pennino21 Jun 2018, 13:12
Re: Where was the solstice?John D. Howard21 Jun 2018, 14:46
Re: Status Report on Navigator's Slide RuleSean Johnston21 Jun 2018, 14:53
Re: Where was the solstice?Antoine Couëtte21 Jun 2018, 19:34
Re: Where was the solstice?Bill B21 Jun 2018, 20:53
Re: Status Report on Navigator's Slide RuleBob Goethe21 Jun 2018, 23:48
Re: Determining refraction in 19th CenturyEd Popko22 Jun 2018, 00:25
Re: Where was the solstice?Geoffrey Kolbe22 Jun 2018, 06:29
Possible email message malwareFrank Reed22 Jun 2018, 17:54
Re: Status Report on Navigator's Slide RuleSean Johnston22 Jun 2018, 20:37
Re: Where was the solstice?Paul Hirose23 Jun 2018, 20:24
Gary LaPooks Flat BygraveAlan S25 Jun 2018, 00:41
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun 2018, 07:30
Re: Gary LaPooks Flat BygraveRobin Stuart25 Jun 2018, 15:18
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 17:14
Re: Flat Bygrave alternative configurationRobin Stuart25 Jun 2018, 17:33
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 23:58
The "Tables Requisite" (1781) on eBayFrank Reed26 Jun 2018, 01:01
Bowditch's "Navigator" (1832) on eBayFrank Reed26 Jun 2018, 02:15
Camera Bris Sextant ExerciseGreg Rudzinski26 Jun 2018, 19:50
Longitude Sight, South Pacific, 1864 - RevisitrdHenry Halboth27 Jun 2018, 01:33
Re: Camera Bris Sextant ExercisePeter Monta27 Jun 2018, 06:40
Re: Longitude Sight, South Pacific, 1864 - RevisitedEd Popko27 Jun 2018, 10:53
Time standard for the Space StationPaul Dolkas27 Jun 2018, 18:16
Re: Time standard for the Space StationFrank Reed27 Jun 2018, 19:43
Re: Camera Bris Sextant ExerciseGreg Rudzinski27 Jun 2018, 23:34
Re: Time standard for the Space StationPaul Dolkas28 Jun 2018, 00:52
Meridian-anchored Noon SunFrank Reed28 Jun 2018, 02:23
Re: Longitude Sight, South Pacific, 1864 - RevisitedHenry Halboth28 Jun 2018, 02:33
Re: Time standard for the Space StationFrank Reed28 Jun 2018, 03:27
Re: Time standard for the Space StationMike Mayer28 Jun 2018, 11:57
Re: Time standard for the Space StationJohn D. Howard28 Jun 2018, 15:16
Re: Time standard for the Space StationDon Seltzer28 Jun 2018, 17:10
What Three Words at seaBill B28 Jun 2018, 20:10
Re: What Three Words at seaRobert VanderPol II29 Jun 2018, 01:54
Re: What Three Words at seaSean C29 Jun 2018, 02:07
Re: What Three Words at seaGreg Rudzinski29 Jun 2018, 18:51
Re: What Three Words at seaBill Lionheart29 Jun 2018, 20:08
Re: What Three Words at seaFrank Reed29 Jun 2018, 23:24
Re: The "Tables Requisite" (1781) on eBayFrank Reed30 Jun 2018, 02:15
Re: What Three Words at seaDavid C30 Jun 2018, 03:04
Re: What Three Words at seaFrank Reed30 Jun 2018, 08:07
Re: What Three Words at seaBill Lionheart30 Jun 2018, 09:13
Re: What Three Words at seaEd Popko30 Jun 2018, 11:48
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?John Tygart30 Jun 2018, 14:37
Re: What Three Words at seaGary LaPook30 Jun 2018, 19:58
Re: Camera Bris Sextant ExerciseGreg Rudzinski30 Jun 2018, 21:17
Golden Globe Race 2018 startLuc Van den Borre1 Jul 2018, 14:07
Re: Golden Globe Race 2018 startGreg Rudzinski1 Jul 2018, 16:08
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Alejandro Purgue1 Jul 2018, 16:08
Re: Golden Globe Race 2018 startTom Sult1 Jul 2018, 16:31
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Bob Peterson1 Jul 2018, 16:58
Year USNO launched Celestial Navigation Data webpageEd Popko2 Jul 2018, 21:35
Re: Year USNO launched Celestial Navigation Data webpageFrank Reed2 Jul 2018, 23:06
Re: Year USNO launched Celestial Navigation Data webpageGary LaPook3 Jul 2018, 00:48
Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul 2018, 03:29
Re: Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul 2018, 04:13
Re: Year USNO launched Celestial Navigation Data webpageDavid C4 Jul 2018, 07:22
Re: Golden Globe Race 2018 startDavid C4 Jul 2018, 07:37
Re: Starting a poem for Lunars & a new wobbly sight platform.Ed Popko4 Jul 2018, 10:05
Origins of civilian use of GPSRichard Easton4 Jul 2018, 22:42
Re: Origins of civilian use of GPSRichard B. Langley5 Jul 2018, 13:29
Negative v correctionTerry Syrokosz5 Jul 2018, 15:00
Re: Negative v correctionStan K5 Jul 2018, 15:58
Re: Negative v correctionTerry Syrokosz5 Jul 2018, 17:05
Re: Negative v correctionTerry Syrokosz5 Jul 2018, 17:13
Re: Negative v correctionGary LaPook5 Jul 2018, 19:18
Re: Negative v correctionStan K5 Jul 2018, 20:01
Re: Origins of civilian use of GPSPeter Monta6 Jul 2018, 15:58
Re: Negative v correctionTerry Syrokosz6 Jul 2018, 23:38
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Tracy Shrier7 Jul 2018, 16:53
Repair for John Carter Chronometer Cornhill 738 circa 1862Ron Legacy7 Jul 2018, 19:27
Re: Meridian-anchored Noon SunPeter Monta8 Jul 2018, 15:59
Re: Meridian-anchored Noon SunDavid Fleming8 Jul 2018, 20:18
Re: Meridian-anchored Noon SunPeter Monta9 Jul 2018, 17:38
Re: Meridian-anchored Noon SunPaul Hughes9 Jul 2018, 17:43
Sextant in Avro VulcanFrank Reed10 Jul 2018, 00:08
Re: Sextant in Avro VulcanCharles McElhill10 Jul 2018, 20:58
Re: Sextant in Avro VulcanDavid Pike11 Jul 2018, 09:09
Re: Repair for John Carter Chronometer Cornhill 738 circa 1862Barry Carter11 Jul 2018, 13:57
Reading degrees on a sextantFrank Reed13 Jul 2018, 22:42
Did transistors transform celestial navigation?Frank Reed14 Jul 2018, 00:21
Re: Did transistors transform celestial navigation?Mark Coady14 Jul 2018, 03:18
Re: Did transistors transform celestial navigation?Francis Upchurch14 Jul 2018, 05:11
Re: Did transistors transform celestial navigation?Alexandre Eremenko14 Jul 2018, 08:03
Re: Did transistors transform celestial navigation?Wolfgang Köberer14 Jul 2018, 09:10
Re: Did transistors transform celestial navigation?David C14 Jul 2018, 09:18
Re: Reading degrees on a sextantMichael Bradley14 Jul 2018, 10:08
Re: Reading degrees on a sextantEd Popko14 Jul 2018, 11:12
Re: Did transistors transform celestial navigation?John D. Howard14 Jul 2018, 14:15
Re: Did transistors transform celestial navigation?Ed Popko14 Jul 2018, 15:49
Re: Did transistors transform celestial navigation?David Pike14 Jul 2018, 21:59
What is this Slide Rule?David C15 Jul 2018, 02:54
Re: What is this Slide Rule?Greg Rudzinski15 Jul 2018, 03:45
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 05:01
19th century navigation time systemsEd Popko15 Jul 2018, 07:01
Re: What is this Slide Rule?Noell Wilson15 Jul 2018, 14:44
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:19
Re: What is this Slide Rule?Frank Reed15 Jul 2018, 18:37
Shiny and golden? It's not a real sextantFrank Reed15 Jul 2018, 18:48
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:54
Re: Shiny and golden? It's not a real sextantEd Popko15 Jul 2018, 19:07
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 19:27
Re: Shiny and golden? It's not a real sextantNorm Goldblatt15 Jul 2018, 20:56
Bowditch 1802 - First editionJackson McDonald15 Jul 2018, 22:45
Venus Moon CPA TonightGreg Rudzinski16 Jul 2018, 03:56
Re: Venus Moon CPA TonightEd Popko16 Jul 2018, 09:56
Re: Shiny and golden? It's not a real sextantJim Hickey16 Jul 2018, 14:39
Re: Shiny and golden? It's not a real sextantFrank Reed16 Jul 2018, 16:52
Re: What is this Slide Rule?David C17 Jul 2018, 02:07
Re: Venus Moon CPA TonightDavid Smith17 Jul 2018, 10:15
Better/easier GHA(Aries) formula?Tony Oz17 Jul 2018, 11:16
Re: Better/easier GHA(Aries) formula?Frank Reed17 Jul 2018, 18:29
Re: Better/easier GHA(Aries) formula?Sean C17 Jul 2018, 22:25
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul 2018, 22:54
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul 2018, 23:10
Re: Did transistors transform celestial navigation?Geoffrey Kolbe18 Jul 2018, 06:44
Re: Better/easier GHA(Aries) formula?Gary LaPook18 Jul 2018, 06:47
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul 2018, 08:15
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul 2018, 11:12
Re: Did transistors transform celestial navigation?David C18 Jul 2018, 22:44
Re: Chart Plotting Pencil LeadsAlan S19 Jul 2018, 00:02
Re: Bowditch 1802 - First editionSam Lyness19 Jul 2018, 00:17
Re: Chart Plotting Pencil LeadsWilliam Edward Henry19 Jul 2018, 01:05
Re: Chart Plotting Pencil LeadsGreg Rudzinski19 Jul 2018, 02:46
Re: Better/easier GHA(Aries) formula?Tony Oz19 Jul 2018, 15:01
Re: Better/easier GHA(Aries) formula?Sean C20 Jul 2018, 05:54
Re: Better/easier GHA(Aries) formula?Frank Reed20 Jul 2018, 05:59
Windows 10 will get better at telling time with new leap second supportAndrés Ruiz20 Jul 2018, 06:16
How to calculate location of the Earth on the moon (lunar eclipses)?Ziad Anas20 Jul 2018, 22:57
The Moon on Moon DayFrank Reed20 Jul 2018, 23:15
Re: The Moon on Moon DayFrank Reed20 Jul 2018, 23:50
Re: How to calculate location of the Earth on the moon (lunar eclipses)?David Fleming21 Jul 2018, 17:14
Mid-Atlantic broadbandFrank Reed22 Jul 2018, 19:53
Re: Mid-Atlantic broadbandBill B22 Jul 2018, 20:06
Re: Origins of civilian use of GPSFrank Reed22 Jul 2018, 21:35
Re: Origins of civilian use of GPSFrank Reed22 Jul 2018, 23:19
Re: Did transistors transform celestial navigation?Frank Reed22 Jul 2018, 23:48
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul 2018, 01:10
GGR: a dozen still racingFrank Reed23 Jul 2018, 02:36
Re: Origins of civilian use of GPSFrank Reed23 Jul 2018, 03:27
Re: Origins of civilian use of GPSGary LaPook23 Jul 2018, 05:50
Re: Origins of civilian use of GPSJoe Dempster23 Jul 2018, 10:35
Tips and tricks: angle normalisationTony Oz23 Jul 2018, 15:44
Lunar parallax via photographyPeter Monta23 Jul 2018, 18:10
Re: Tips and tricks: angle normalisationFrank Reed23 Jul 2018, 18:13
Re: Origins of civilian use of GPSFrank Reed23 Jul 2018, 18:48
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul 2018, 21:01
Re: Origins of civilian use of GPSLu Abel23 Jul 2018, 21:48
How close without a good Lunar?Mark Coady24 Jul 2018, 02:39
Re: How close without a good Lunar?Greg Rudzinski24 Jul 2018, 04:51
Re: Tips and tricks: angle normalisationTony Oz24 Jul 2018, 08:18
Re: How close without a good Lunar?Francis Upchurch24 Jul 2018, 09:39
Re: How close without a good Lunar?Robert VanderPol II24 Jul 2018, 13:08
Re: How close without a good Lunar?Francis Upchurch24 Jul 2018, 16:23
Re: How close without a good Lunar?Peter Monta25 Jul 2018, 06:58
Re: How close without a good Lunar?Andrés Ruiz25 Jul 2018, 07:39
Re: How close without a good Lunar?Herbert Prinz25 Jul 2018, 07:51
Re: How close without a good Lunar?Francis Upchurch25 Jul 2018, 13:04
Re: How close without a good Lunar?Francis Upchurch25 Jul 2018, 15:39
Re: How close without a good Lunar?Brad Morris25 Jul 2018, 20:15
Re: How close without a good Lunar?Greg Rudzinski25 Jul 2018, 22:05
Longest total lunar eclipse in the 21st centuryAndrés Ruiz26 Jul 2018, 05:48
Re: How close without a good Lunar?Hewitt Schlereth26 Jul 2018, 14:13
Re: Origins of civilian use of GPSRichard Easton26 Jul 2018, 18:57
Re: Origins of civilian use of GPSRichard Easton26 Jul 2018, 19:04
Re: How close without a good Lunar?Francis Upchurch26 Jul 2018, 19:13
Re: Longest total lunar eclipse in the 21st centuryBrad Morris26 Jul 2018, 19:57
Re: Traditional navigation by slide ruleAlan S26 Jul 2018, 21:20
Re: How close without a good Lunar?Hewitt Schlereth27 Jul 2018, 00:14
How to See Mars OppositionJackson McDonald27 Jul 2018, 01:43
Re: Origins of civilian use of GPSRichard B. Langley27 Jul 2018, 12:01
Re: How to See Mars OppositionDave Walden27 Jul 2018, 17:19
Re: How to See Mars OppositionFrank Reed27 Jul 2018, 18:24
Longitude Without Time - 1977 Luce ArticleHewitt Schlereth28 Jul 2018, 21:25
Re: Traditional navigation by slide ruleGary LaPook28 Jul 2018, 23:11
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul 2018, 14:04
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul 2018, 18:45
Re: Longitude Without Time - 1977 Luce ArticleFrank Reed30 Jul 2018, 04:45
Celestial navigation and the spherical EarthFrank Reed30 Jul 2018, 05:36
Re: Celestial navigation and the spherical EarthBrian Walton30 Jul 2018, 07:31
"Horns" of the Moon are relatively horizontal?Herman Dekker30 Jul 2018, 08:16
Re: Celestial navigation and the spherical EarthMark Coady30 Jul 2018, 13:09
Re: "Horns" of the Moon are relatively horizontal?Robert Wyatt30 Jul 2018, 16:04
François Coudraye, anyone?Roger W. Sinnott30 Jul 2018, 16:50
Re: "Horns" of the Moon are relatively horizontal?Geoffrey Kolbe30 Jul 2018, 17:11
Re: "Horns" of the Moon are relatively horizontal?Tony Oz30 Jul 2018, 17:13
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 19:34
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 19:41
Re: François Coudraye, anyone?Marcel Tschudin30 Jul 2018, 19:55
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 20:07
Re: Longitude Without Time - 1977 Luce ArticleFrancis Upchurch30 Jul 2018, 20:16
Re: François Coudraye, anyone?Marcel Tschudin30 Jul 2018, 20:40
Re: "Horns" of the Moon are relatively horizontal?Herman Dekker31 Jul 2018, 02:07
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul 2018, 02:21
Re: François Coudraye, anyone?Frank Reed31 Jul 2018, 02:53
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul 2018, 09:03
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul 2018, 12:56
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul 2018, 15:44
GNSS launchesFrank Reed31 Jul 2018, 17:22
Re: "Horns" of the Moon are relatively horizontal?Tony Oz1 Aug 2018, 13:15
Re: "Horns" of the Moon are relatively horizontal?Frank Reed1 Aug 2018, 17:59
It's four-planet fix time...Frank Reed3 Aug 2018, 17:43
Bris Sextant ProjectsGreg Rudzinski3 Aug 2018, 17:55
Re: It's four-planet fix time...Greg Rudzinski3 Aug 2018, 18:15
Re: It's four-planet fix time...Greg Rudzinski4 Aug 2018, 17:15
Re: It's four-planet fix time...Derrick Young4 Aug 2018, 23:00
Re: It's four-planet fix time...Bruce Cutting4 Aug 2018, 23:12
Re: It's four-planet fix time...Greg Rudzinski4 Aug 2018, 23:51
Re: It's four-planet fix time...Antoine Couëtte5 Aug 2018, 16:21
Re: It's four-planet fix time...Lu Abel5 Aug 2018, 17:21
Re: It's four-planet fix time...Greg Rudzinski5 Aug 2018, 18:17
Re: It's four-planet fix time...Antoine Couëtte6 Aug 2018, 04:15
Re: Gnomonic charts and distancesTony Oz6 Aug 2018, 09:56
1870s navigationHarry Lewis6 Aug 2018, 12:09
Re: 1870s navigationFrank Reed6 Aug 2018, 15:34
Re: 1870s navigationAlexandre Eremenko6 Aug 2018, 17:18
Re: 1870s navigationGreg Rudzinski6 Aug 2018, 19:22
Radio time signals disappearHerman Dekker7 Aug 2018, 16:39
Re: It's four-planet fix time...Antoine Couëtte7 Aug 2018, 17:22
Re: 1870s navigationGary LaPook7 Aug 2018, 17:26
Re: 1870s navigationGary LaPook7 Aug 2018, 17:27
Re: 1870s navigationGreg Rudzinski7 Aug 2018, 20:55
Re: Radio time signals disappearGeoffrey Kolbe8 Aug 2018, 05:28
Re: Radio time signals disappearRichard B. Langley8 Aug 2018, 12:59
Re: Radio time signals disappearFrancis Upchurch8 Aug 2018, 14:09
Re: Radio time signals disappearRobert Wyatt8 Aug 2018, 17:04
Re: Radio time signals disappearHerbert Prinz8 Aug 2018, 23:41
Re: Radio time signals disappearFrank Reed8 Aug 2018, 23:57
Re: 1870s navigationGary LaPook9 Aug 2018, 06:53
Re: 1870s navigationFrank Reed9 Aug 2018, 15:51
Re: Radio time signals disappearRichard Easton9 Aug 2018, 18:04
Death to the Mercator ProjectionFrank Reed10 Aug 2018, 02:42
Nautical AlmanacMike Burkes10 Aug 2018, 19:28
Re: Nautical AlmanacAlan S10 Aug 2018, 22:10
Re: Nautical AlmanacRobert VanderPol II11 Aug 2018, 02:28
Re: Nautical AlmanacSean C11 Aug 2018, 06:25
Re: Nautical AlmanacJean-Philippe Planas11 Aug 2018, 11:08
Re: Nautical AlmanacMike Burkes11 Aug 2018, 19:46
Re: Radio time signals disappearPaul Hirose11 Aug 2018, 22:59
Re: Nautical AlmanacPaul Hirose11 Aug 2018, 23:40
Re: Death to the Mercator ProjectionTracy Shrier11 Aug 2018, 23:43
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug 2018, 00:30
Re: Nautical AlmanacSean C12 Aug 2018, 00:52
Re: Nautical AlmanacGary LaPook12 Aug 2018, 02:03
Re: Death to the Mercator ProjectionMark Coady12 Aug 2018, 02:36
Re: Death to the Mercator ProjectionTom Sult12 Aug 2018, 14:36
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug 2018, 15:41
Re: Radio time signals disappearSean C13 Aug 2018, 05:48
Re: Death to the Mercator ProjectionDavid Pike13 Aug 2018, 08:38
Practical Radar PlottingMark Coady13 Aug 2018, 18:52
Re: Radio time signals disappearMike Mayer14 Aug 2018, 00:20
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug 2018, 03:48
Re: Practical Radar PlottingJohn D. Howard14 Aug 2018, 04:01
Re: Radio time signals disappearSean C14 Aug 2018, 04:57
Re: Death to the Mercator ProjectionDavid Pike14 Aug 2018, 09:31
The "bris" and Moon LoP?Tony Oz14 Aug 2018, 10:27
Re: Radio time signals disappearBill Lionheart14 Aug 2018, 10:27
Re: Death to the Mercator ProjectionDavid Pike14 Aug 2018, 10:35
Equal Earth Map ProjectionGary Chambers14 Aug 2018, 11:37
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug 2018, 16:01
Re: Radio time signals disappearTony Oz14 Aug 2018, 16:02
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug 2018, 17:02
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug 2018, 17:46
Re: Death to the Mercator ProjectionFrank Reed14 Aug 2018, 20:28
Re: Radio time signals disappearPaul Hirose14 Aug 2018, 21:50
Time and frequency from electrical power linesPaul Hirose14 Aug 2018, 22:03
ADMIN: NavList Operations contributionsFrank Reed14 Aug 2018, 23:29
Who is Where on the Globe?Herman Dekker15 Aug 2018, 00:41
Re: Who is Where on the Globe?John D. Howard15 Aug 2018, 01:10
Re: Death to the Mercator ProjectionDavid C15 Aug 2018, 02:26
Re: Death to the Mercator ProjectionDavid C15 Aug 2018, 02:55
Re: Death to the Mercator ProjectionFrank Reed15 Aug 2018, 03:28
Re: Who is Where on the Globe?Herman Dekker15 Aug 2018, 03:31
Re: Death to the Mercator ProjectionSean C15 Aug 2018, 05:36
Re: Who is Where on the Globe?David Pike15 Aug 2018, 06:20
Re: Who is Where on the Globe?Tony Oz15 Aug 2018, 08:54
Re: The "bris" and Moon LoP?Tony Oz15 Aug 2018, 09:05
Re: The "bris" and Moon LoP?Greg Rudzinski15 Aug 2018, 15:27
Re: Who is Where on the Globe?Brad Morris15 Aug 2018, 21:57
Re: Who is Where on the Globe?Gerald van Wilgen16 Aug 2018, 02:33
Re: Who is Where on the Globe?Frank Reed16 Aug 2018, 03:24
Re: ADMIN: NavList Operations contributionsFrank Reed16 Aug 2018, 16:13
"Bris" calibration: to Hc vs to Hs. Accuracy?Tony Oz16 Aug 2018, 16:42
Re: The "bris" and Moon LoP?Frank Reed16 Aug 2018, 17:15
Navigation Presentation in NYC, Sep. 15Frank Reed16 Aug 2018, 19:50
Re: The "bris" and Moon LoP?Greg Rudzinski16 Aug 2018, 22:58
Re: Who is Where on the Globe?Robert VanderPol II17 Aug 2018, 01:00
Re: Who is Where on the Globe?Frank Reed17 Aug 2018, 01:39
Re: Who is Where on the Globe?Sean C17 Aug 2018, 03:54
Does anyone know what this is?Doug MacPherson17 Aug 2018, 04:28
Re: Does anyone know what this is?David Pike17 Aug 2018, 08:16
Re: Does anyone know what this is?David Pike17 Aug 2018, 10:49
Re: The "bris" and Moon LoP?Tony Oz17 Aug 2018, 11:31
Re: Who is Where on the Globe?Robert VanderPol II17 Aug 2018, 12:28
Re: The "bris" and Moon LoP?Greg Rudzinski17 Aug 2018, 15:22
Re: Does anyone know what this is?Brad Morris17 Aug 2018, 18:10
Re: Time and frequency from electrical power linesRoger W. Sinnott17 Aug 2018, 22:29
Re: Who is Where on the Globe?Mark Coady18 Aug 2018, 01:49
Re: The "bris" and Moon LoP?Frank Reed18 Aug 2018, 21:20
Re: The "bris" and Moon LoP?Greg Rudzinski18 Aug 2018, 22:18
Re: Does anyone know what this is?Frank Reed19 Aug 2018, 01:36
Re: Time and frequency from electrical power linesFrank Reed19 Aug 2018, 02:00
Re: The "bris" and Moon LoP?Sean C19 Aug 2018, 04:01
My New ToySean C19 Aug 2018, 05:00
Spotted a sextantFrank Reed19 Aug 2018, 18:53
Re: Spotted a sextantGreg Rudzinski19 Aug 2018, 19:12
Re: Spotted a sextantMark Coady19 Aug 2018, 21:14
Re: Spotted a sextantBrad Morris20 Aug 2018, 02:46
Re: Spotted a sextantFrank Reed20 Aug 2018, 02:57
Re: Spotted a sextantGeoffrey Kolbe20 Aug 2018, 05:16
Re: Spotted a sextantFrancis Upchurch20 Aug 2018, 07:12
Re: Spotted a sextantGreg Rudzinski20 Aug 2018, 16:01
Re: Spotted a sextantDon Seltzer20 Aug 2018, 16:21
Where in the world?Ron Jones20 Aug 2018, 19:28
Re: Where in the world?Frank Reed20 Aug 2018, 20:25
Re: Spotted a sextantFrank Reed21 Aug 2018, 01:09
Re: Spotted a sextantFrank Reed21 Aug 2018, 05:29
Re: 1870s navigationGary LaPook21 Aug 2018, 19:01
Re: Where in the world?.Paul Bedel21 Aug 2018, 20:45
Re: Where in the world?.Lars Bergman22 Aug 2018, 10:13
Re: Where in the world?Antoine Couëtte22 Aug 2018, 13:05
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz23 Aug 2018, 13:38
Re: Where in the world?Frank Reed23 Aug 2018, 18:15
Re: Where in the world?Ron Jones23 Aug 2018, 22:35
Re: Where in the world?Ron Jones24 Aug 2018, 00:28
Re: Where in the world?Sean C25 Aug 2018, 00:47
Re: Where in the world?Hewitt Schlereth25 Aug 2018, 22:19
Re: Where in the world?Sean C26 Aug 2018, 00:12
Re: Where in the world?Sean C26 Aug 2018, 00:57
Re: Soviet navy emergency navigation manual (Pub.9049)Paul Dolkas26 Aug 2018, 02:46
Re: Who is Where on the Globe?Frank Atkins26 Aug 2018, 05:03
Re: Who is Where on the Globe?Geoffrey Kolbe26 Aug 2018, 06:45
Re: Who is Where on the Globe?Frank Atkins26 Aug 2018, 07:17
Beginner's questionChris Allison26 Aug 2018, 17:34
Re: Where in the world?Örjan Sandström26 Aug 2018, 19:59
Re: Beginner's questionGreg Rudzinski26 Aug 2018, 20:13
Re: Where in the world?Hewitt Schlereth26 Aug 2018, 20:58
Re: Beginner's questionMichael Bradley26 Aug 2018, 23:19
Re: Beginner's questionDon Seltzer27 Aug 2018, 02:56
Re: Beginner's questionMichael Bradley27 Aug 2018, 09:08
Re: Radio time signals disappearRoger W. Sinnott27 Aug 2018, 09:38
Re: Where in the world?Andrés Ruiz27 Aug 2018, 12:52
Re: Beginner's questionGreg Rudzinski27 Aug 2018, 15:46
Re: Radio time signals disappearBrad Morris27 Aug 2018, 17:50
Re: Radio time signals disappearJohn D. Howard27 Aug 2018, 19:27
Re: Radio time signals disappearMike Mayer27 Aug 2018, 21:28
Re: Radio time signals disappearEd Popko27 Aug 2018, 22:16
Re: Radio time signals disappearSean C28 Aug 2018, 01:22
Re: Radio time signals disappearFrank Reed28 Aug 2018, 02:02
Re: Beginner's questionAndrés Ruiz28 Aug 2018, 06:32
Re: 1870s navigationFrank Reed28 Aug 2018, 19:37
Re: Radio time signals disappearRobert VanderPol II28 Aug 2018, 23:47
Re: Radio time signals disappearJohn D. Howard29 Aug 2018, 01:41
Re: 1870s navigationGary LaPook29 Aug 2018, 07:03
Re: Quiet Month for NavListFrank Atkins29 Aug 2018, 10:10
Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose29 Aug 2018, 23:44
EU Backs Ending Daylight Saving TimeSean C1 Sep 2018, 05:16
Re: EU Backs Ending Daylight Saving TimeDavid Pike1 Sep 2018, 19:46
Re: EU Backs Ending Daylight Saving TimeÖrjan Sandström2 Sep 2018, 11:57
Navigation Spreadsheets in 2019Peter Hakel2 Sep 2018, 22:40
A Lunar I wish I saw...Tony Oz3 Sep 2018, 08:40
Re: Spotted a sextantMark Anthony Spinaze3 Sep 2018, 09:27
Re: A Lunar I wish I saw...Antoine Couëtte3 Sep 2018, 15:53
Re: Radio time signals disappearGene Vialle3 Sep 2018, 20:23
Bowditch, the New American Practical Navigator, First EditionJackson McDonald3 Sep 2018, 21:06
Re: A Lunar I wish I saw...Frank Reed3 Sep 2018, 21:07
Re: Bowditch, the New American Practical Navigator, First EditionFrank Reed3 Sep 2018, 21:40
Re: Radio time signals disappearDavid Pike3 Sep 2018, 22:26
Re: Radio time signals disappearRobert VanderPol II4 Sep 2018, 04:22
Re: Radio time signals disappearJeremy C4 Sep 2018, 09:56
Re: Radio time signals disappearTony Oz4 Sep 2018, 11:11
Re: Radio time signals disappearGary LaPook4 Sep 2018, 19:32
Re: Radio time signals disappearGene Vialle4 Sep 2018, 20:34
Space station sextant experimentPaul Hirose5 Sep 2018, 02:45
Re: Space station sextant experimentDave Walden5 Sep 2018, 11:19
Android Celestial Nav AppsMark Coady5 Sep 2018, 16:58
Re: Space station sextant experimentRobert Pearson5 Sep 2018, 17:53
Re: Android Celestial Nav AppsGreg Rudzinski6 Sep 2018, 02:12
Re: Android Celestial Nav AppsAndrés Ruiz6 Sep 2018, 04:47
Re: GPS Anti Spoof appTony Oz6 Sep 2018, 16:18
Is Celestial Navigation really a backup to GPS Navigation?Brad Morris6 Sep 2018, 16:36
Re: GPS Anti Spoof appÖrjan Sandström7 Sep 2018, 17:39
All Haversine Time SightGreg Rudzinski7 Sep 2018, 20:10
Mapquest coordinatesMike Burkes8 Sep 2018, 15:31
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 17:06
Re: Mapquest coordinatesBrad Morris8 Sep 2018, 19:16
Re: All Haversine Time SightTony Oz8 Sep 2018, 20:59
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 21:36
Re: All Haversine Time SightTony Oz8 Sep 2018, 22:12
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 22:13
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 23:23
Re: All Haversine Time SightBrian Walton9 Sep 2018, 06:15
Re: All Haversine Time SightTony Oz9 Sep 2018, 07:46
Re: All Haversine Time SightTony Oz9 Sep 2018, 07:53
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed9 Sep 2018, 17:19
French Nautical Almanac for the year 1819Frank Reed9 Sep 2018, 17:27
T Hav Doniol Sumner LOP ExampleGreg Rudzinski9 Sep 2018, 17:58
Uncommon navigational declination chart, 1850sJackson McDonald9 Sep 2018, 22:55
Re: Uncommon navigational declination chart, 1850sGreg Rudzinski10 Sep 2018, 00:26
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep 2018, 05:23
Re: T Hav Doniol Sumner LOP ExampleHerman Dekker10 Sep 2018, 06:23
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C10 Sep 2018, 09:31
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedAntoine Couëtte10 Sep 2018, 11:51
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep 2018, 19:48
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris10 Sep 2018, 21:14
Re: Is Celestial Navigation really a backup to GPS Navigation?Roger W. Sinnott10 Sep 2018, 23:53
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed11 Sep 2018, 00:26
Questions about Celestial NavigationFrank Reed11 Sep 2018, 00:49
Re: Questions about Celestial NavigationBrad Morris11 Sep 2018, 03:01
Re: Is Celestial Navigation really a backup to GPS Navigation?Geoffrey Kolbe11 Sep 2018, 05:51
Re: Questions about Celestial NavigationFrank Atkins11 Sep 2018, 06:01
Re: Questions about Celestial NavigationPeter Monta11 Sep 2018, 10:52
All Haversine FixLars Bergman11 Sep 2018, 13:57
Re: Questions about Celestial NavigationRobert VanderPol II11 Sep 2018, 15:30
Re: Questions about Celestial NavigationBob Goethe11 Sep 2018, 17:28
Re: Questions about Celestial NavigationFrank Reed11 Sep 2018, 17:35
Re: Questions about Celestial NavigationChris Willmes11 Sep 2018, 18:08
Re: Questions about Celestial NavigationGreg Rudzinski11 Sep 2018, 18:30
Re: All Haversine FixGreg Rudzinski11 Sep 2018, 18:40
Re: Questions about Celestial NavigationDon Seltzer11 Sep 2018, 18:48
Re: Questions about Celestial NavigationJohn D. Howard11 Sep 2018, 19:11
WWV may be shut downKeith Sternberg11 Sep 2018, 19:33
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C11 Sep 2018, 21:27
Re: Questions about Celestial NavigationJeremy C11 Sep 2018, 22:01
YouTube Short on Early NavigationGreg Rudzinski11 Sep 2018, 22:10
Jan 1925 day change haunts us still...Frank Reed12 Sep 2018, 02:59
Re: Is Celestial Navigation really a backup to GPS Navigation?Peter Monta12 Sep 2018, 04:22
Re: Questions about Celestial NavigationGeoffrey Kolbe12 Sep 2018, 05:50
GPS Selective AvailabilityDavid Pike12 Sep 2018, 06:50
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley12 Sep 2018, 12:14
Re: GPS Selective AvailabilityRichard B. Langley12 Sep 2018, 12:24
Re: Questions about Celestial NavigationBrad Morris12 Sep 2018, 13:59
Re: Questions about Celestial NavigationJohn D. Howard12 Sep 2018, 14:19
Re: Jan 1925 day change haunts us still...Robert Wyatt12 Sep 2018, 14:40
Re: All Haversine FixTony Oz12 Sep 2018, 15:45
Celestial Tools V5.7.0Stan K12 Sep 2018, 16:32
Re: Questions about Celestial NavigationFrancis Upchurch12 Sep 2018, 17:55
Polynesian navigationPaul Hirose12 Sep 2018, 19:10
Re: French Nautical Almanac for the year 1819Frank Reed12 Sep 2018, 23:07
Re: Celestial Tools V5.7.0Dave Walden13 Sep 2018, 12:05
King's Point US Merchant Marine AdJackson McDonald13 Sep 2018, 15:17
Re: Celestial Tools V5.7.0Sam Lyness13 Sep 2018, 17:39
Re: King's Point US Merchant Marine AdFrancis Upchurch13 Sep 2018, 18:00
Re: Questions about Celestial NavigationBrad Morris13 Sep 2018, 18:02
Re: King's Point US Merchant Marine AdBob Goethe13 Sep 2018, 22:49
Re: King's Point US Merchant Marine AdRobert VanderPol II14 Sep 2018, 02:43
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep 2018, 03:48
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep 2018, 17:56
Re: French Nautical Almanac for the year 1819Frank Reed15 Sep 2018, 04:05
Re: Questions about Celestial NavigationFrank Reed15 Sep 2018, 04:10
Re: King's Point US Merchant Marine AdJeremy C15 Sep 2018, 06:28
Re: King's Point US Merchant Marine AdFrank Atkins15 Sep 2018, 06:52
Re: Questions about Celestial NavigationMeg Wilson16 Sep 2018, 10:53
Re: Questions about Celestial NavigationBruce Cutting16 Sep 2018, 16:56
Re: Questions about Celestial NavigationDerrick Young16 Sep 2018, 18:48
Unexpected USNO height correction preceptsAntoine Couëtte17 Sep 2018, 15:22
John Wesley Powell's 1869 Lunar Observations from Grand CanyonStephen M Kerst17 Sep 2018, 18:58
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris17 Sep 2018, 19:40
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed17 Sep 2018, 20:56
Re: John Wesley Powell's 1869 Lunar Observations from Grand CanyonFrank Reed18 Sep 2018, 00:45
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 03:36
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 05:45
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook18 Sep 2018, 10:24
Re: Questions about Celestial NavigationFrancis Upchurch18 Sep 2018, 10:56
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 14:28
Re: Questions about Celestial NavigationBrad Morris18 Sep 2018, 14:44
Re: Unexpected USNO height correction preceptsAndrés Ruiz18 Sep 2018, 14:58
Re: Questions about Celestial NavigationJohn D. Howard18 Sep 2018, 16:15
Re: Questions about Celestial NavigationRobert VanderPol II18 Sep 2018, 16:43
Re: Questions about Celestial NavigationJohn D. Howard18 Sep 2018, 19:24
Re: Questions about Celestial NavigationGary LaPook18 Sep 2018, 21:46
Re: Questions about Celestial NavigationFrank Reed19 Sep 2018, 00:16
News from Stan KFrank Reed19 Sep 2018, 00:31
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed19 Sep 2018, 00:49
Vintage US Navy Celestial Navigation filmsFrank Reed19 Sep 2018, 01:43
Re: News from Stan KSean C19 Sep 2018, 02:16
Re: News from Stan KAndrés Ruiz19 Sep 2018, 06:16
Re: Is Celestial Navigation really a backup to GPS Navigation?Paul Hirose19 Sep 2018, 07:27
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep 2018, 07:28
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley19 Sep 2018, 12:18
The LunarsSteve E. Bryant19 Sep 2018, 16:52
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris19 Sep 2018, 18:59
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep 2018, 22:26
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:05
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:27
RestorationFrank Atkins20 Sep 2018, 01:44
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep 2018, 16:28
Re: Unexpected USNO height correction preceptsFrank Reed20 Sep 2018, 17:24
Re: Is Celestial Navigation really a backup to GPS Navigation?Tom Sult20 Sep 2018, 17:32
Re: The LunarsFrank Reed20 Sep 2018, 17:34
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep 2018, 17:48
Latitude from meridian observationPaul Hirose20 Sep 2018, 20:28
Re: Latitude from meridian observationFrank Reed20 Sep 2018, 23:42
Re: Is Celestial Navigation really a backup to GPS Navigation?Ed Popko21 Sep 2018, 13:52
Lindbergh-Weems Second-Setting WatchEd Popko21 Sep 2018, 14:08
Re: Latitude from meridian observationRobin Stuart21 Sep 2018, 15:00
Re: Is Celestial Navigation really a backup to GPS Navigation?Bob Goethe21 Sep 2018, 17:22
Archives of NavList discussions, images, and other filesFrank Reed21 Sep 2018, 18:15
Re: Lindbergh-Weems Second-Setting WatchTony Oz21 Sep 2018, 21:18
Re: RestorationTony Oz21 Sep 2018, 21:33
Re: RestorationBrad Morris21 Sep 2018, 23:30
Re: RestorationFrank Atkins22 Sep 2018, 01:16
Prepare for Ice...Frank Reed22 Sep 2018, 02:00
Re: Prepare for Ice...Frank Atkins22 Sep 2018, 03:43
Re: RestorationBrad Morris22 Sep 2018, 03:47
Re: Prepare for Ice...David C22 Sep 2018, 05:07
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep 2018, 05:08
Re: RestorationFrank Atkins22 Sep 2018, 06:11
Re: All Haversine Time SightBrian Walton22 Sep 2018, 06:34
Re: RestorationFrank Atkins22 Sep 2018, 07:55
Re: Prepare for Ice...Bill B22 Sep 2018, 07:59
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep 2018, 10:05
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep 2018, 10:07
Re: Prepare for Ice...Robert VanderPol II22 Sep 2018, 12:35
Re: Prepare for Ice...Lars Bergman22 Sep 2018, 12:41
Re: Prepare for Ice...Michael Bradley22 Sep 2018, 15:34
Re: All Haversine Time SightBrad Morris22 Sep 2018, 16:37
GPS selective availabilityGeoffrey Kolbe22 Sep 2018, 16:51
Viking NavigationLu Abel22 Sep 2018, 17:42
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep 2018, 18:54
Re: Is Celestial Navigation really a backup to GPS Navigation?Francis Upchurch22 Sep 2018, 19:01
Re: Unexpected USNO height correction preceptsFrank Reed22 Sep 2018, 19:30
Re: Lindbergh-Weems Second-Setting WatchFrank Reed22 Sep 2018, 19:38
Re: GPS selective availabilityJohn D. Howard22 Sep 2018, 19:38
Re: Prepare for Ice...Frank Reed22 Sep 2018, 20:28
Re: Prepare for Ice...Frank Reed22 Sep 2018, 20:40
Benchmark accuracyLu Abel22 Sep 2018, 21:59
Re: Viking NavigationBrad Morris22 Sep 2018, 22:32
Re: RestorationBrad Morris22 Sep 2018, 22:39
Re: Prepare for Ice...Brad Morris22 Sep 2018, 22:45
Re: Benchmark accuracyJohn D. Howard22 Sep 2018, 23:44
Re: Archives of NavList discussions, images, and other filesSean C23 Sep 2018, 00:27
Re: Benchmark accuracyBruce J. Pennino23 Sep 2018, 00:59
Re: Archives of NavList discussions, images, and other filesJohn D. Howard23 Sep 2018, 01:13
Re: RestorationFrank Atkins23 Sep 2018, 01:28
Re: RestorationBill Morris23 Sep 2018, 02:56
Re: GPS selective availabilityGeoffrey Kolbe23 Sep 2018, 05:41
Re: RestorationFrank Atkins23 Sep 2018, 06:43
Re: GPS selective availabilityRonald van Riet23 Sep 2018, 08:33
Re: GPS selective availabilityDavid Pike23 Sep 2018, 11:23
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep 2018, 14:09
Re: GPS selective availabilityJohn D. Howard23 Sep 2018, 14:40
Re: Benchmark accuracyJohn D. Howard23 Sep 2018, 15:07
Re: RestorationBrad Morris23 Sep 2018, 15:10
Venus phase correctionRobert Bernecky23 Sep 2018, 15:54
Re: GPS selective availabilityGeoffrey Kolbe23 Sep 2018, 16:17
Re: Unexpected USNO height correction preceptsAntoine Couëtte23 Sep 2018, 16:55
Re: GPS selective availabilityFrank Reed23 Sep 2018, 17:05
Re: Venus phase correctionAntoine Couëtte23 Sep 2018, 17:22
Re: Venus phase correctionRobert Bernecky23 Sep 2018, 17:56
Re: Prepare for Ice...Bill B23 Sep 2018, 18:06
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep 2018, 18:15
Re: Venus phase correctionFrank Reed23 Sep 2018, 18:35
Re: All Haversine Time SightBrian Walton23 Sep 2018, 19:33
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep 2018, 20:05
Re: GPS selective availabilityDavid Pike23 Sep 2018, 20:37
Re: GPS selective availabilityDavid Pike23 Sep 2018, 21:07
Re: All Haversine Time SightBrad Morris23 Sep 2018, 21:46
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep 2018, 22:46
Re: Navigation Presentation in NYC, Sep. 15Frank Reed24 Sep 2018, 01:42
Re: GPS selective availabilityGeoffrey Kolbe24 Sep 2018, 05:40
Re: GPS selective availabilityRonald van Riet24 Sep 2018, 08:30
Re: Lindbergh-Weems Second-Setting WatchTony Oz24 Sep 2018, 09:45
Re: Unexpected USNO height correction preceptsAntoine Couëtte24 Sep 2018, 14:35
Re: Unexpected USNO height correction preceptsGreg Rudzinski24 Sep 2018, 17:35
Easy Intro Celestial, this weekend at Mystic SeaportFrank Reed24 Sep 2018, 22:03
Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep 2018, 03:04
GNSS is not immortalSteve Dunlop25 Sep 2018, 03:05
Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 03:05
Re: GNSS is not immortalFrank Reed25 Sep 2018, 03:15
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris25 Sep 2018, 06:00
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep 2018, 06:16
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 06:22
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep 2018, 06:25
Re: GNSS is not immortalBrad Morris25 Sep 2018, 06:53
Re: Chart-plotters, dead reckoning, pilotage, etc.Pete Solon Palmer25 Sep 2018, 07:27
Re: Lindbergh-Weems Second-Setting WatchTony Oz25 Sep 2018, 11:00
Re: Timekeeping in the post-WWV/post-HF worldJeremy C25 Sep 2018, 11:39
Re: Chart-plotters, dead reckoning, pilotage, etc.Jeremy C25 Sep 2018, 11:48
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 14:39
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 15:37
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 15:40
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep 2018, 15:48
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 15:51
Re: Chart-plotters, dead reckoning, pilotage, etc.Brad Morris25 Sep 2018, 16:30
Re: GNSS is not immortalBrad Morris25 Sep 2018, 17:09
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, 17:25
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 18:18
Re: GNSS is not immortalBob Goethe25 Sep 2018, 19:34
Re: GNSS is not immortalBrad Morris25 Sep 2018, 19:35
Re: GNSS is not immortalRichard B. Langley25 Sep 2018, 22:05
Re: GPS selective availabilityPaul Hirose25 Sep 2018, 22:10
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 22:15
Re: Lindbergh-Weems Second-Setting WatchEd Popko25 Sep 2018, 22:20
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris26 Sep 2018, 00:21
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep 2018, 00:49
Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed26 Sep 2018, 01:53
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantSean C26 Sep 2018, 02:14
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep 2018, 02:34
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep 2018, 02:39
Re: Unexpected USNO height correction preceptsPaul Hirose26 Sep 2018, 04:03
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta26 Sep 2018, 05:30
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep 2018, 05:41
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep 2018, 06:49
Handheld Sextant in spacecraftEric van der Veen26 Sep 2018, 09:20
Re: Unexpected USNO height correction preceptsAntoine Couëtte26 Sep 2018, 11:00
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep 2018, 11:00
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep 2018, 11:58
Re: Venus phase correctionAndrés Ruiz26 Sep 2018, 12:01
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep 2018, 12:20
Re: Timekeeping in the post-WWV/post-HF worldTony Oz26 Sep 2018, 13:02
Wwv/Wwvh/Wwvb Etc.Richard B. Langley26 Sep 2018, 15:54
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep 2018, 16:29
Re: Chart-plotters, dead reckoning, pilotage, etc.Bruce Cutting26 Sep 2018, 17:06
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep 2018, 17:25
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep 2018, 17:52
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep 2018, 18:21
Re: GNSS is not immortalBrad Morris26 Sep 2018, 19:19
Dunlap Sunrise Sunset ComputerBrad Morris26 Sep 2018, 19:55
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep 2018, 20:26
Invert it: GPS as backup to primary celestial navigationFrank Reed26 Sep 2018, 20:27
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep 2018, 20:39
Re: GNSS is not immortalPete Solon Palmer26 Sep 2018, 21:03
Re: GNSS is not immortalBob Goethe26 Sep 2018, 22:05
Re: Lindbergh-Weems Second-Setting WatchGary LaPook26 Sep 2018, 22:07
Re: Timekeeping in the post-WWV/post-HF worldJohn D. Howard26 Sep 2018, 22:16
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep 2018, 04:25
Re: Invert it: GPS as backup to primary celestial navigationAntoine Couëtte27 Sep 2018, 06:09
Re: Unexpected USNO height correction preceptsAndrés Ruiz27 Sep 2018, 11:23
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep 2018, 17:11
Re: GNSS is not immortalSteve Dunlop27 Sep 2018, 17:22
Re: Timekeeping in the post-WWV/post-HF worldFrancis Upchurch27 Sep 2018, 18:18
Re: Timekeeping in the post-WWV/post-HF worldFrank Reed27 Sep 2018, 19:12
Global Hawk crash due to deactivated backup navigationFrank Reed27 Sep 2018, 19:21
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep 2018, 19:26
Re: Global Hawk crash due to deactivated backup navigationAntoine Couëtte27 Sep 2018, 19:46
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep 2018, 19:46
Listening to WWV from 60N 30ETony Oz27 Sep 2018, 20:01
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep 2018, 20:37
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep 2018, 20:54
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris27 Sep 2018, 21:21
NavListNews Twitter feedFrank Reed27 Sep 2018, 22:39
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed28 Sep 2018, 00:42
Re: Timekeeping in the post-WWV/post-HF worldIan Vaughn28 Sep 2018, 00:47
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep 2018, 06:41
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep 2018, 06:52
Anti-spoof appChris Caswell28 Sep 2018, 11:02
Re: Timekeeping in the post-WWV/post-HF worldTony Oz28 Sep 2018, 13:30
Re: Timekeeping in the post-WWV/post-HF worldRichard B. Langley28 Sep 2018, 15:39
Susceptibility of GPS to CME, Rationale for CN?Brad Morris28 Sep 2018, 19:20
Sight PlanningRon Jones28 Sep 2018, 19:33
Re: Listening to WWV from 60N 30EPaul Hirose28 Sep 2018, 21:50
Multiple GPS backups failFrank Reed28 Sep 2018, 23:53
Re: GNSS is not immortalGary LaPook29 Sep 2018, 01:39
TimeTom Sult29 Sep 2018, 01:40
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta29 Sep 2018, 04:12
Re: Susceptibility of GPS to CME, Rationale for CN?Richard B. Langley29 Sep 2018, 12:04
Re: GNSS is not immortalBrad Morris29 Sep 2018, 15:57
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris29 Sep 2018, 22:37
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch30 Sep 2018, 05:40
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike30 Sep 2018, 09:07
Re: News from Stan KFrank Reed30 Sep 2018, 19:00
Re: Susceptibility of GPS to CME, Rationale for CN?Peter Monta30 Sep 2018, 22:21
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris30 Sep 2018, 22:25
Re: Susceptibility of GPS to CME, Rationale for CN?Bob Goethe30 Sep 2018, 23:29
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 01:38
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct 2018, 03:07
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct 2018, 03:15
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II1 Oct 2018, 03:17
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike1 Oct 2018, 07:47
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte1 Oct 2018, 10:46
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 17:08
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 17:14
Re: Susceptibility of GPS to CME, Rationale for CN?Ed Popko1 Oct 2018, 17:30
Re: Susceptibility of GPS to CME, Rationale for CN?David C1 Oct 2018, 20:07
Re: Susceptibility of GPS to CME, Rationale for CN?Hewitt Schlereth1 Oct 2018, 21:13
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 22:50
Re: Susceptibility of GPS to CME, Rationale for CN?John D. Howard2 Oct 2018, 02:07
Moon montage flaws... how many can you find?Frank Reed2 Oct 2018, 03:12
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 04:41
Re: Moon montage flaws... how many can you find?Rommel John Miller2 Oct 2018, 04:48
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II2 Oct 2018, 05:02
Re: Moon montage flaws... how many can you find?Frank Reed2 Oct 2018, 05:22
Re: Moon montage flaws... how many can you find?Bob Goethe2 Oct 2018, 05:28
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte2 Oct 2018, 07:01
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct 2018, 07:42
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?Tony Oz2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?Mike Mayer2 Oct 2018, 11:37
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct 2018, 13:10
Re: Moon montage flaws... how many can you find?Bruce J. Pennino2 Oct 2018, 13:52
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi2 Oct 2018, 15:40
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski2 Oct 2018, 15:43
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 16:48
Re: Moon montage flaws... how many can you find?David Fleming2 Oct 2018, 18:28
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct 2018, 20:05
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 21:31
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris2 Oct 2018, 22:15
Re: Susceptibility of GPS to CME, Rationale for CN?Tom Sult2 Oct 2018, 23:07
Re: Moon montage flaws... how many can you find?Don Seltzer3 Oct 2018, 00:42
Re: Moon montage flaws... how many can you find?Frank Reed3 Oct 2018, 02:49
Re: T Hav Doniol Sumner LOP ExampleBrian Walton3 Oct 2018, 04:05
Re: Susceptibility of GPS to CME, Rationale for CN?Brian Walton3 Oct 2018, 04:29
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch3 Oct 2018, 05:11
Re: Moon montage flaws... how many can you find?Bill B3 Oct 2018, 06:58
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi3 Oct 2018, 14:47
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II3 Oct 2018, 15:45
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski3 Oct 2018, 15:48
Re: A paper sextant sight...Tony Oz3 Oct 2018, 17:30
Re: Susceptibility of GPS to CME, Rationale for CN?Dennis Jewitt3 Oct 2018, 18:32
Re: A paper sextant sight...Frank Reed3 Oct 2018, 23:54
Re: Moon montage flaws... how many can you find?Frank Reed4 Oct 2018, 02:26
Re: A paper sextant sight...David C4 Oct 2018, 03:45
Re: A paper sextant sight...Tony Oz4 Oct 2018, 15:41
Range from calculated dip of the shore horizonDavid Pike4 Oct 2018, 20:32
Amelia Earhart Book AuctionJackson McDonald4 Oct 2018, 23:13
A little space navigationFrank Reed5 Oct 2018, 01:41
Re: A little space navigationJacob M. Huffman III5 Oct 2018, 02:13
Re: Range from calculated dip of the shore horizonRobert VanderPol II5 Oct 2018, 03:33
Re: A little space navigationThomas Spidle5 Oct 2018, 03:56
Re: A little space navigationPeter Monta5 Oct 2018, 05:09
Re: A little space navigationPeter Monta5 Oct 2018, 05:52
Re: A little space navigationSean C5 Oct 2018, 08:36
Protecting GNSS and Users - The Ideal APNTRichard B. Langley5 Oct 2018, 13:02
Re: Range from calculated dip of the shore horizonBob Crawley5 Oct 2018, 14:27
Re: A little space navigationBrad Morris5 Oct 2018, 17:23
Re: Protecting GNSS and Users - The Ideal APNTBrad Morris5 Oct 2018, 18:33
Re: Range from calculated dip of the shore horizonDon Seltzer5 Oct 2018, 19:07
Re: A little space navigationRobert VanderPol II5 Oct 2018, 19:53
Re: A little space navigationDavid Pike6 Oct 2018, 13:09
An Embarrassing ConundrumDavid Pike6 Oct 2018, 13:36
Re: T Hav Doniol Sumner LOP ExampleD Maracle6 Oct 2018, 16:19
Re: An Embarrassing ConundrumGary LaPook6 Oct 2018, 17:34
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski6 Oct 2018, 17:52
Re: An Embarrassing ConundrumFrank Reed6 Oct 2018, 18:01
Re: An Embarrassing ConundrumAntoine Couëtte6 Oct 2018, 18:31
Re: An Embarrassing ConundrumDavid Pike6 Oct 2018, 20:55
Re: An Embarrassing ConundrumFrank Reed6 Oct 2018, 22:16
Re: A little space navigationBrad Morris7 Oct 2018, 04:48
Re: T Hav Doniol Sumner LOP ExampleD Maracle7 Oct 2018, 17:48
Re: A little space navigationDavid Pike7 Oct 2018, 20:38
Re: A little space navigationBrad Morris7 Oct 2018, 22:56
Re: A little space navigationDavid Pike8 Oct 2018, 07:16
Re: A little space navigationBrad Morris8 Oct 2018, 15:19
Re: A little space navigationFrank Reed8 Oct 2018, 18:44
Re: A little space navigationFrank Reed8 Oct 2018, 18:52
Re: A little space navigationDavid Pike8 Oct 2018, 22:52
Where is this mountain citadel?Frank Reed9 Oct 2018, 00:03
Re: A little space navigationBrad Morris9 Oct 2018, 02:07
Re: A little space navigationFrank Reed9 Oct 2018, 03:21
Re: Where is this mountain citadel?Herman Dekker9 Oct 2018, 07:28
Re: Where is this mountain citadel?Robert H. van Gent9 Oct 2018, 09:00
Re: Where is this mountain citadel?David Pike9 Oct 2018, 10:16
Re: Where is this mountain citadel?David Pike9 Oct 2018, 13:05
Re: Where is this mountain citadel?John D. Howard9 Oct 2018, 15:11
A different type of heavenly bodyDon Seltzer10 Oct 2018, 02:43
Linear regression and other toolsTony Oz10 Oct 2018, 10:10
Re: A different type of heavenly bodyBrad Morris10 Oct 2018, 16:16
Re: Linear regression and other toolsBrad Morris10 Oct 2018, 19:48
Re: Linear regression and other toolsTony Oz10 Oct 2018, 21:46
Re: Linear regression and other toolsLars Bergman11 Oct 2018, 09:49
Re: Linear regression and other toolsBrad Morris11 Oct 2018, 15:10
Re: Linear regression and other toolsLars Bergman11 Oct 2018, 18:47
Re: Linear regression and other toolsAntoine Couëtte11 Oct 2018, 19:00
Re: Linear regression and other toolsTony Oz11 Oct 2018, 20:41
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 09:36
NavList dinner in Mystic October 27Frank Reed12 Oct 2018, 12:34
Re: Linear regression and other toolsTony Oz12 Oct 2018, 12:42
Re: NavList dinner in Mystic October 27Frank Atkins12 Oct 2018, 13:08
Re: Where is this mountain citadel?John D. Howard12 Oct 2018, 14:59
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 15:13
Re: Linear regression and other toolsBrad Morris12 Oct 2018, 15:35
Re: Linear regression and other toolsTony Oz12 Oct 2018, 15:38
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 17:03
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 17:44
Re: Linear regression and other toolsRon Jones12 Oct 2018, 18:24
Re: Linear regression and other toolsAntoine Couëtte13 Oct 2018, 04:41
Symmedian point -earliest reference in navigationBill Lionheart13 Oct 2018, 12:54
Re: Linear regression and other toolsRon Jones13 Oct 2018, 16:00
Re: Linear regression and other toolsAntoine Couëtte13 Oct 2018, 16:36
Re: Linear regression and other toolsBruce Cutting13 Oct 2018, 16:56
Software tool for Celestial Nav Training - a reportEric van der Veen13 Oct 2018, 20:21
To what level must the accuracy go?Brad Morris13 Oct 2018, 22:17
Re: Linear regression and other toolsTony Oz13 Oct 2018, 22:34
Re: To what level must the accuracy go?Tom Sult13 Oct 2018, 23:55
Re: Linear regression and other toolsRon Jones14 Oct 2018, 00:45
Re: Symmedian point -earliest reference in navigationHerbert Prinz14 Oct 2018, 02:42
Re: Linear regression and other toolsRon Jones14 Oct 2018, 04:15
Re: To what level must the accuracy go?Jeremy C14 Oct 2018, 05:36
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 05:54
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 08:23
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct 2018, 11:07
On the use of Lindbergh-Weems second-setting navigation watchEd Popko14 Oct 2018, 12:31
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct 2018, 16:00
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct 2018, 16:07
Re: Symmedian point -earliest reference in navigationBrad Morris14 Oct 2018, 18:30
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 18:36
Re: Linear regression and other toolsBruce Cutting14 Oct 2018, 18:45
Re: Software tool for Celestial Nav Training - a reportEd Popko14 Oct 2018, 19:31
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct 2018, 22:17
Re: Symmedian point -earliest reference in navigationHerbert Prinz15 Oct 2018, 04:28
Re: Linear regression and other toolsTony Oz15 Oct 2018, 11:50
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct 2018, 15:03
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct 2018, 15:08
Re: Linear regression and other toolsBrad Morris15 Oct 2018, 16:58
Re: Symmedian point -earliest reference in navigationBrad Morris15 Oct 2018, 18:12
A 300-year-old clock found on Derbyshire estate sells for 230kRichard B. Langley15 Oct 2018, 19:07
Re: A 300-year-old clock found on Derbyshire estate sells for 230kBrad Morris15 Oct 2018, 19:36
Re: Linear regression and other toolsRobert Bernecky16 Oct 2018, 00:16
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct 2018, 08:18
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct 2018, 08:39
Re: Linear regression and other toolsAndrés Ruiz16 Oct 2018, 09:57
Re: Symmedian point -earliest reference in navigationAndrés Ruiz16 Oct 2018, 10:27
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct 2018, 18:12
Re: Symmedian point -earliest reference in navigationGary LaPook16 Oct 2018, 18:27
Re: Symmedian point -earliest reference in navigationBrad Morris16 Oct 2018, 20:15
Re: News from Stan KStan K16 Oct 2018, 21:27
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct 2018, 21:42
Re: News from Stan KBrad Morris17 Oct 2018, 01:59
Were there secret techniques in the 17th and 18th CenturyBill Lionheart17 Oct 2018, 16:12
2nd Order Regression limitationsAntoine Couëtte17 Oct 2018, 17:11
Re: Were there secret techniques in the 17th and 18th CenturyFrank Reed17 Oct 2018, 17:16
Re: News from Stan KFrank Reed17 Oct 2018, 19:25
Re: 2nd Order Regression limitationsFrank Reed17 Oct 2018, 19:43
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike17 Oct 2018, 21:34
Re: Were there secret techniques in the 17th and 18th CenturySean C18 Oct 2018, 02:21
Re: Were there secret techniques in the 17th and 18th CenturyBrad Morris18 Oct 2018, 02:49
Re: Were there secret techniques in the 17th and 18th CenturyGary LaPook18 Oct 2018, 08:00
Re: Were there secret techniques in the 17th and 18th CenturyPaul Hirose18 Oct 2018, 18:41
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike18 Oct 2018, 19:41
Maximum likelihood position with triangle on a sphereBill Lionheart19 Oct 2018, 16:09
Re: Maximum likelihood position with triangle on a sphereDavid Pike19 Oct 2018, 17:34
Position lines with confidence weightsFrank Reed19 Oct 2018, 18:17
Re: Position lines with confidence weightsEd Popko19 Oct 2018, 18:28
Re: Position lines with confidence weightsAntoine Couëtte19 Oct 2018, 20:27
Astron 2.00 releasePeter Hakel20 Oct 2018, 17:11
Re: 2nd Order Regression limitationsBrad Morris20 Oct 2018, 19:30
Re: Linear regression and other toolsTony Oz20 Oct 2018, 19:32
Re: Linear regression and other toolsTony Oz20 Oct 2018, 21:29
Re: Linear regression and other toolsTony Oz21 Oct 2018, 08:22
Re: Linear regression and other toolsFrank Reed21 Oct 2018, 13:56
Re: NavList dinner in Mystic October 27Frank Reed21 Oct 2018, 18:28
Fit vs Regression: what is the difference?Tony Oz22 Oct 2018, 09:45
Re: Fit vs Regression: what is the difference?Frank Reed22 Oct 2018, 14:09
Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct 2018, 14:31
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz22 Oct 2018, 16:31
SkyfieldRobin Stuart22 Oct 2018, 21:14
Re: Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct 2018, 22:04
Re: SkyfieldKen Muldrew22 Oct 2018, 23:01
Personal equation in timed observationsPaul Hirose23 Oct 2018, 05:30
Re: SkyfieldPaul Hirose23 Oct 2018, 05:32
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct 2018, 08:47
Re: SkyfieldLars Bergman23 Oct 2018, 10:31
Pub.249 Epoch 2020 is available.Tony Oz23 Oct 2018, 12:03
Re: Personal equation in timed observationsBrad Morris23 Oct 2018, 15:37
Re: SkyfieldJohn D. Howard23 Oct 2018, 16:05
Re: Pub.249 Epoch 2020 is available.Gary LaPook23 Oct 2018, 16:54
Re: Personal equation in timed observationsSean C23 Oct 2018, 18:14
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct 2018, 19:48
Re: SkyfieldRobin Stuart23 Oct 2018, 20:24
Re: SkyfieldLars Bergman23 Oct 2018, 21:00
Re: SkyfieldJohn D. Howard23 Oct 2018, 23:10
Re: SkyfieldJosh Paterson23 Oct 2018, 23:42
Re: SkyfieldPeter Monta24 Oct 2018, 06:19
Re: Personal equation in timed observationsPeter Monta24 Oct 2018, 06:30
Re: Pub.249 Epoch 2020 is available.Rafal O.24 Oct 2018, 07:47
Re: NavList dinner in Mystic October 27Frank Reed24 Oct 2018, 17:22
Maritime publisher Brown, Son and FergusonPaul Hirose24 Oct 2018, 17:33
Brightest planet in the sky tonightDon Seltzer24 Oct 2018, 19:51
Re: Pub.249 Epoch 2020 is available.Tony Oz24 Oct 2018, 20:31
Re: Pub.249 Epoch 2020 is available.Frank Reed24 Oct 2018, 21:43
Re: Pub.249 Epoch 2020 is available.Rafal O.25 Oct 2018, 06:30
Re: Pub.249 Epoch 2020 is available.Rafal O.25 Oct 2018, 09:36
Re: Pub.249 Epoch 2020 is available.Frank Reed25 Oct 2018, 16:02
Re: Pub.249 Epoch 2020 is available.Tony Oz25 Oct 2018, 18:08
Re: SkyfieldPaul Hirose25 Oct 2018, 19:58
Navigation jokesEd Popko25 Oct 2018, 21:40
Re: Navigation jokesGreg R_25 Oct 2018, 22:31
Re: NavList dinner in Mystic October 27 (moved to Oct.28)Frank Reed26 Oct 2018, 00:01
Re: Navigation jokesEd Popko26 Oct 2018, 01:47
Re: Navigation jokesRobert VanderPol II26 Oct 2018, 04:07
Re: Navigation jokesThomas Spidle26 Oct 2018, 05:28
Re: Position lines with confidence weightsBill Lionheart26 Oct 2018, 05:33
Re: Navigation jokesThomas Spidle26 Oct 2018, 05:47
Re: Navigation jokesMichael Bradley26 Oct 2018, 08:36
Logic of shadesalexander duytschaever26 Oct 2018, 13:38
Re: Logic of shadesFrank Reed26 Oct 2018, 17:14
Re: Logic of shadesBrad Morris26 Oct 2018, 17:19
Mark 15 sextantsGord Cudlipp26 Oct 2018, 18:05
Re: Logic of shadesPaul Dolkas26 Oct 2018, 18:47
Re: Mark 15 sextantsRobert Pearson26 Oct 2018, 20:38
Re: Mark 15 sextantsBrad Morris26 Oct 2018, 21:33
Re: Mark 15 sextantsRoger W. Sinnott26 Oct 2018, 21:42
Re: Mark 15 sextantsGord Cudlipp26 Oct 2018, 21:52
Re: Logic of shadesDavid Fleming26 Oct 2018, 22:32
Re: Logic of shadesFrancis Upchurch27 Oct 2018, 06:35
Re: Logic of shadesFrancis Upchurch27 Oct 2018, 06:43
Is most probable position (MPP) a dangerous misnomer?David Pike27 Oct 2018, 09:22
Re: Mark 15 sextantsMichael Bradley27 Oct 2018, 09:46
Re: Navigation jokesFrancis Upchurch27 Oct 2018, 14:41
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard27 Oct 2018, 16:35
Re: Logic of shadesPaul Hirose27 Oct 2018, 16:43
Re: Logic of shadesGeoffrey Kolbe27 Oct 2018, 17:29
Re: Logic of shadesMark Coady27 Oct 2018, 19:13
Re: Navigation jokesMark Coady27 Oct 2018, 19:18
Re: Mark 15 sextantsBrad Morris27 Oct 2018, 20:00
Re: Navigation jokesWil Bailey27 Oct 2018, 23:05
Re: Navigation jokesJohn D. Howard28 Oct 2018, 02:43
Re: Navigation jokesPeter Hakel28 Oct 2018, 04:00
Re: Navigation jokesSean C28 Oct 2018, 04:53
Re: Navigation jokesDavid Pike28 Oct 2018, 22:26
Re: Navigation jokesDavid Pike28 Oct 2018, 22:42
Re: Is most probable position (MPP) a dangerous misnomer?David Pike28 Oct 2018, 23:19
Elements of the navigation triangleSteve E. Bryant29 Oct 2018, 00:42
Re: Mark 15 sextantsKen Gebhart29 Oct 2018, 03:37
Re: Elements of the navigation triangleDavid Pike29 Oct 2018, 09:01
Re: Mark 15 sextantsGreg Rudzinski29 Oct 2018, 13:02
Re: Navigation jokesDon Seltzer29 Oct 2018, 13:04
Re: Pub.249 Epoch 2020 is available.Brad Morris29 Oct 2018, 14:31
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct 2018, 14:59
Re: Navigation jokesRobin Stuart29 Oct 2018, 16:25
Longitude, zone time, and local mean timeSteve E. Bryant29 Oct 2018, 18:38
Re: Is most probable position (MPP) a dangerous misnomer?David Pike29 Oct 2018, 18:41
Re: Mark 15 sextantsRoger W. Sinnott29 Oct 2018, 18:49
Re: Mark 15 sextantsRoger W. Sinnott29 Oct 2018, 19:07
Re: Is most probable position (MPP) a dangerous misnomer?Frank Reed29 Oct 2018, 19:38
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct 2018, 19:41
Re: Equation of Time Simplified?Alejandro Muñoz29 Oct 2018, 20:02
Re: Longitude, zone time, and local mean timeBruce Cutting29 Oct 2018, 20:02
Re: Longitude, zone time, and local mean timeDavid Fleming29 Oct 2018, 20:40
Re: Longitude, zone time, and local mean timeBruce Cutting30 Oct 2018, 00:49
Re: Navigation jokesAntoine Couëtte30 Oct 2018, 07:16
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct 2018, 08:21
Re: Mark 15 sextantsMichael Bradley30 Oct 2018, 08:52
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct 2018, 11:59
Navigation Conference, Mystic Seaport, 2019?Frank Reed30 Oct 2018, 14:34
Lunars with Young's formula: always off by several minutesWilliam Porter30 Oct 2018, 21:41
Re: Navigation Conference, Mystic Seaport, 2019?Stan K30 Oct 2018, 21:45
Re: Logic of shadesGary LaPook31 Oct 2018, 04:51
Re: Navigation Conference, Mystic Seaport, 2019?Ed Popko31 Oct 2018, 10:13
Re: Pub.249 Epoch 2020 is available.Rafal O.31 Oct 2018, 10:31
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 Oct 2018, 13:36
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct 2018, 13:49
Re: Logic of shadesGreg Rudzinski31 Oct 2018, 16:00
Re: Pub.249 Epoch 2020 is available.Rafal O.31 Oct 2018, 16:34
Re: Lunars with Young's formula: always off by several minutesAndrés Ruiz31 Oct 2018, 16:55
Re: Pub.249 Epoch 2020 is available.Brad Morris31 Oct 2018, 21:11
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct 2018, 21:35
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct 2018, 23:14
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct 2018, 23:22
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 Oct 2018, 23:42
Re: Navigation Conference, Mystic Seaport, 2019?Jeremy C1 Nov 2018, 06:55
Re: Navigation jokesFrank Atkins1 Nov 2018, 09:24
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 11:17
Re: Lunars with Young's formula: always off by several minutesLars Bergman1 Nov 2018, 14:16
Quantum Navigation, a backup to GPSBrad Morris1 Nov 2018, 19:03
Re: Lunars with Young's formula: always off by several minutesPaul Hirose1 Nov 2018, 19:10
Re: Navigation Conference, Mystic Seaport, 2019?Jackson McDonald1 Nov 2018, 21:20
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 22:00
Re: Navigation Conference, Mystic Seaport, 2019?Richard Easton1 Nov 2018, 22:22
Re: Navigation Conference, Mystic Seaport, 2019?Robert Pearson1 Nov 2018, 22:42
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 22:48
Re: Lunars with Young's formula: always off by several minutesSean C1 Nov 2018, 23:03
Re: Lunars with Young's formula: always off by several minutesGeoffrey Kolbe2 Nov 2018, 07:17
Re: Pub.249 Epoch 2020 is available.Rafal O.2 Nov 2018, 08:33
Re: Navigation Conference, Mystic Seaport, 2019?Geoffrey Kolbe2 Nov 2018, 13:11
Ratio of variancesBill Lionheart2 Nov 2018, 14:40
Re: Ratio of variancesGreg Rudzinski2 Nov 2018, 15:30
Latitude by Talcott-Horrebow MethodEd Popko2 Nov 2018, 17:25
Re: Pub.249 Epoch 2020 is available.Brad Morris2 Nov 2018, 19:07
Re: Latitude by Talcott-Horrebow MethodBrad Morris2 Nov 2018, 19:14
Re: Lunars with Young's formula: always off by several minutesWilliam Porter2 Nov 2018, 19:36
Re: Latitude by Talcott-Horrebow MethodEd Popko2 Nov 2018, 20:17
Re: Pub.249 Epoch 2020 is available.Rafal O.2 Nov 2018, 20:25
Re: Ratio of variancesDavid Pike2 Nov 2018, 22:25
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe3 Nov 2018, 06:53
Re: Ratio of variancesGreg Rudzinski3 Nov 2018, 10:40
Re: Latitude by Talcott-Horrebow MethodWilliam Porter3 Nov 2018, 11:27
Re: Navigation Conference, Mystic Seaport, 2019?Bruce J. Pennino3 Nov 2018, 13:41
Re: Pub.249 Epoch 2020 is available.Brad Morris3 Nov 2018, 15:09
Re: Ratio of variancesBrad Morris3 Nov 2018, 15:46
Re: Ratio of variancesFrank Reed3 Nov 2018, 16:21
Re: Latitude by Talcott-Horrebow MethodFrank Reed3 Nov 2018, 16:22
Re: Pub.249 Epoch 2020 is available.Rafal O.3 Nov 2018, 16:31
GPS jamming causes drones to crashLu Abel3 Nov 2018, 16:51
Re: GPS jamming causes drones to crashFrank Reed3 Nov 2018, 17:44
Re: Pub.249 Epoch 2020 is available.Frank Reed3 Nov 2018, 18:00
Simpler than latitude and longitude?Frank Reed3 Nov 2018, 19:12
Re: Navigation Conference, Mystic Seaport, 2019?William Porter3 Nov 2018, 20:51
Re: Pub.249 Epoch 2020 is available.Brad Morris4 Nov 2018, 01:02
Re: Navigation Conference, Mystic Seaport, 2019?Gary LaPook4 Nov 2018, 02:32
Re: Simpler than latitude and longitude?Gary LaPook4 Nov 2018, 02:45
Re: GPS jamming causes drones to crashGary LaPook4 Nov 2018, 03:15
Re: Latitude by Talcott-Horrebow MethodBrad Morris4 Nov 2018, 05:23
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe4 Nov 2018, 06:53
Re: Lunars with Young's formula: always off by several minutesLars Bergman4 Nov 2018, 13:18
Re: GPS jamming causes drones to crashDavid Pike4 Nov 2018, 17:48
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov 2018, 20:20
Re: GPS jamming causes drones to crashDavid Pike4 Nov 2018, 20:37
Re: Lunars with Young's formula: always off by several minutesBrad Morris4 Nov 2018, 21:20
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov 2018, 21:56
Re: Lunars with Young's formula: always off by several minutesPaul Hirose5 Nov 2018, 05:12
Re: Latitude by Talcott-Horrebow MethodPaul Hirose5 Nov 2018, 06:18
Re: Lunars with Young's formula: always off by several minutesWilliam Porter5 Nov 2018, 07:51
Re: Latitude by Talcott-Horrebow MethodWilliam Porter5 Nov 2018, 11:02
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov 2018, 11:13
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov 2018, 15:27
Modern Celestial: Fri/Sat this week at Mystic SeaportFrank Reed5 Nov 2018, 15:58
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov 2018, 16:22
Mirror-adjustment key replacement foundTony Oz5 Nov 2018, 18:32
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov 2018, 19:53
Re: Latitude by Talcott-Horrebow MethodJohn D. Howard5 Nov 2018, 20:30
Avoiding the symmedian (and other) pointsGary LaPook5 Nov 2018, 21:43
GPS and the Chandler WobbleBrad Morris5 Nov 2018, 23:21
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov 2018, 00:01
Re: GPS and the Chandler WobbleJohn D. Howard6 Nov 2018, 03:41
Re: Latitude by Talcott-Horrebow MethodPaul Hirose6 Nov 2018, 08:37
Re: Latitude by Talcott-Horrebow MethodWilliam Porter6 Nov 2018, 16:03
Quad regression for Lunar Distances?Tony Oz6 Nov 2018, 16:41
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov 2018, 21:17
Re: Avoiding the symmedian (and other) pointsBill Lionheart6 Nov 2018, 21:54
Re: Quad regression for Lunar Distances?Frank Reed6 Nov 2018, 22:15
Re: Avoiding the symmedian (and other) pointsFrank Reed6 Nov 2018, 22:45
Re: GPS and the Chandler WobblePaul Hirose7 Nov 2018, 03:12
Re: Avoiding the symmedian (and other) pointsBill Lionheart7 Nov 2018, 06:05
Re: Quad regression for Lunar Distances?Lars Bergman7 Nov 2018, 14:53
Life raft questions - knowing only GHA and sun's rising or settingEd Popko7 Nov 2018, 16:03
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz7 Nov 2018, 18:48
DIY Davis prism directly on the mirror?Tony Oz7 Nov 2018, 19:00
Re: GPS and the Chandler WobblePeter Monta7 Nov 2018, 21:31
Re: Quad regression for Lunar Distances?Sean C7 Nov 2018, 21:58
Re: DIY Davis prism directly on the mirror?Brad Morris7 Nov 2018, 22:08
Celestial Navigation on the surface of MarsMorfydd James7 Nov 2018, 22:18
Re: Latitude by Talcott-Horrebow MethodBrad Morris7 Nov 2018, 22:19
Re: Life raft questions - knowing only GHA and sun's rising or settingStan K7 Nov 2018, 22:39
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov 2018, 01:10
Time zone sign conventionsSteve E. Bryant8 Nov 2018, 02:56
Re: Celestial Navigation on the surface of MarsPaul Dolkas8 Nov 2018, 03:46
Re: Time zone sign conventionsSean C8 Nov 2018, 05:01
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov 2018, 05:13
Re: Time zone sign conventionsTony Oz8 Nov 2018, 07:38
Re: DIY Davis prism directly on the mirror?Tony Oz8 Nov 2018, 09:07
Re: Quad regression for Lunar Distances?Lars Bergman8 Nov 2018, 10:13
Re: Life raft questions - knowing only GHA and sun's rising or settingEd Popko8 Nov 2018, 11:27
DIY shade: a polarising filter?Tony Oz8 Nov 2018, 11:34
Re: Latitude by Talcott-Horrebow MethodPeter Monta8 Nov 2018, 12:15
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov 2018, 13:19
Re: Celestial Navigation on the surface of MarsBrad Morris8 Nov 2018, 13:35
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov 2018, 13:37
Re: Celestial Navigation on the surface of MarsGreg Rudzinski8 Nov 2018, 13:57
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov 2018, 16:00
Re: Quad regression for Lunar Distances?Frank Reed8 Nov 2018, 18:30
Re: Life raft questions - knowing only GHA and sun's rising or settingFrank Reed8 Nov 2018, 18:31
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris8 Nov 2018, 18:50
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov 2018, 20:09
Re: Time zone sign conventionsSteve E. Bryant8 Nov 2018, 20:42
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris9 Nov 2018, 02:09
Re: DIY Davis prism directly on the mirror?Brad Morris9 Nov 2018, 03:31
Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov 2018, 03:41
Re: Quad regression for Lunar Distances?Sean C9 Nov 2018, 04:39
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov 2018, 05:22
Re: Latitude by Talcott-Horrebow MethodPaul Hirose9 Nov 2018, 07:30
Re: DIY Davis prism directly on the mirror?Tony Oz9 Nov 2018, 07:45
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov 2018, 07:46
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov 2018, 07:51
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov 2018, 08:14
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov 2018, 10:58
Re: Zenith sun tomorrow and USN celestial softwareGreg Rudzinski9 Nov 2018, 12:08
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov 2018, 12:48
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov 2018, 15:10
Re: Zenith sun tomorrow and USN celestial softwareTony Oz9 Nov 2018, 15:27
Re: Life raft questions - knowing only GHA and sun's rising or settingDerrick Young9 Nov 2018, 18:06
Re: Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov 2018, 18:15
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov 2018, 18:52
Re: DIY Davis prism directly on the mirror?Bruce Cutting9 Nov 2018, 19:45
Re: Quad regression for Lunar Distances?Paul Hirose9 Nov 2018, 23:04
Re: Zenith sun tomorrow and USN celestial softwareJohn D. Howard10 Nov 2018, 03:26
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov 2018, 14:23
Re: Celestial Navigation on the surface of MarsGeoffrey Kolbe10 Nov 2018, 14:53
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov 2018, 15:42
Re: Celestial Navigation on the surface of MarsBrad Morris10 Nov 2018, 17:15
Re: Celestial Navigation on the surface of MarsMorfydd James10 Nov 2018, 21:52
Re: Quad regression for Lunar Distances?Robert Bernecky10 Nov 2018, 22:58
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov 2018, 00:35
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov 2018, 00:41
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov 2018, 00:56
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov 2018, 04:03
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov 2018, 11:41
Re: Celestial Navigation on the surface of MarsGreg Rudzinski11 Nov 2018, 13:06
Astro Navigation at HMS CollingwoodBill Lionheart11 Nov 2018, 13:16
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov 2018, 14:40
Re: Celestial Navigation on the surface of MarsDon Seltzer11 Nov 2018, 15:20
Re: Astro Navigation at HMS CollingwoodBrad Morris11 Nov 2018, 16:21
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov 2018, 16:24
Re: Celestial Navigation on the surface of MarsFrank Reed11 Nov 2018, 18:03
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov 2018, 18:47
Re: Quad regression for Lunar Distances?Robert Bernecky11 Nov 2018, 18:48
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov 2018, 18:49
Re: Quad regression for Lunar Distances?Frank Reed11 Nov 2018, 19:53
Re: Astro Navigation at HMS CollingwoodBob Goethe11 Nov 2018, 21:57
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov 2018, 21:58
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov 2018, 00:01
Re: Celestial Navigation on the surface of MarsRobert VanderPol II12 Nov 2018, 06:42
Sextants' paint color?Tony Oz12 Nov 2018, 08:50
Horizon shades and an index microscope?Tony Oz12 Nov 2018, 09:01
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov 2018, 13:33
Re: Astro Navigation at HMS CollingwoodBill Lionheart12 Nov 2018, 14:32
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov 2018, 15:44
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov 2018, 16:32
Re: Celestial Navigation on the surface of MarsFrank Reed12 Nov 2018, 16:57
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov 2018, 18:25
Re: Astro Navigation at HMS CollingwoodPeter Monta12 Nov 2018, 22:12
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov 2018, 22:28
What is this display?Frank Reed12 Nov 2018, 22:37
Re: Astro Navigation at HMS CollingwoodBrad Morris13 Nov 2018, 00:39
Re: What is this display?Morfydd James13 Nov 2018, 02:47
Re: What is this display?Frank Reed13 Nov 2018, 06:30
Re: What is this display?Luc Van den Borre13 Nov 2018, 10:27
Re: What is this display?Morfydd James13 Nov 2018, 10:36
Re: Celestial Navigation on the surface of MarsGreg Rudzinski13 Nov 2018, 12:42
A question about an Alan Jackson songStan K13 Nov 2018, 15:07
Russia blocked GPS data during NATO exercises: NorwayPete Solon Palmer13 Nov 2018, 19:03
Re: A question about an Alan Jackson songBrad Morris13 Nov 2018, 19:33
Re: A question about an Alan Jackson songBrad Morris13 Nov 2018, 21:03
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz13 Nov 2018, 21:14
Re: A question about an Alan Jackson songRoger W. Sinnott13 Nov 2018, 22:17
Re: A question about an Alan Jackson songStan K13 Nov 2018, 23:11
Re: A question about an Alan Jackson songStan K13 Nov 2018, 23:14
Re: A question about an Alan Jackson songFrancis Upchurch14 Nov 2018, 01:56
A quick Mars lunarPeter Hakel14 Nov 2018, 01:59
Re: A question about an Alan Jackson songBrad Morris14 Nov 2018, 01:59
Re: A question about an Alan Jackson songSean C14 Nov 2018, 03:47
Re: Russia blocked GPS data during NATO exercises: NorwaySean C14 Nov 2018, 03:55
Bright Venus againAntoine Couëtte14 Nov 2018, 07:43
Declination and GHA: Nautical Almanac proceduresMike Freeman14 Nov 2018, 16:34
Re: What is this display?Morfydd James14 Nov 2018, 17:30
Re: A question about an Alan Jackson songStan K14 Nov 2018, 17:52
Re: Russia blocked GPS data during NATO exercises: NorwayBrad Morris14 Nov 2018, 21:00
Re: Russia blocked GPS data during NATO exercises: NorwayGeoffrey Kolbe14 Nov 2018, 21:45
Re: A question about an Alan Jackson songStan K15 Nov 2018, 01:11
Sexagesimal vs Degree-minute-tenths of minutes anglesEd Popko15 Nov 2018, 11:03
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesGreg Rudzinski15 Nov 2018, 15:39
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesJohn D. Howard15 Nov 2018, 15:51
Long Term Almanac for navigational starsRafal O.16 Nov 2018, 13:51
Geodesic versus great circleBill Lionheart16 Nov 2018, 17:07
Re: Geodesic versus great circleFrank Reed16 Nov 2018, 18:30
Keyboard Sextant "Keycaps"Sean C17 Nov 2018, 06:40
Re: Bright Venus againAntoine Couëtte17 Nov 2018, 07:59
Re: Keyboard Sextant "Keycaps"Morfydd James17 Nov 2018, 13:52
Re: Keyboard Sextant "Keycaps"Tony Oz17 Nov 2018, 17:41
Re: Bright Venus againPeter Hakel17 Nov 2018, 17:52
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe17 Nov 2018, 19:20
Re: Latitude by Talcott-Horrebow MethodFrank Reed17 Nov 2018, 19:26
Refraction, Cassini modelPaul Hirose18 Nov 2018, 03:39
Converting degrees-minutes to degrees and backSteve E. Bryant19 Nov 2018, 03:42
Re: Converting degrees-minutes to degrees and backDavid Pike19 Nov 2018, 11:46
Re: Converting degrees-minutes to degrees and backBrad Morris19 Nov 2018, 12:35
Re: Refraction, Cassini modelAntoine Couëtte19 Nov 2018, 13:36
SNO-T "night" sight tube?Tony Oz19 Nov 2018, 14:03
Re: Geodesic versus great circlePaul Hughes19 Nov 2018, 14:29
Re: SNO-T "night" sight tube?Alexandre Eremenko19 Nov 2018, 15:54
Re: SNO-T "night" sight tube?Tony Oz19 Nov 2018, 16:03
WWV tropical weather announcementsFrank Reed19 Nov 2018, 16:37
Re: Quad regression for Lunar Distances?Frank Reed19 Nov 2018, 16:40
Re: SNO-T "night" sight tube?Paul Werner19 Nov 2018, 17:37
Re: SNO-T "night" sight tube?Tony Oz19 Nov 2018, 18:16
Re: SNO-T "night" sight tube?Paul Werner19 Nov 2018, 20:39
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov 2018, 01:41
Re: SNO-T "night" sight tube?Tony Oz20 Nov 2018, 08:13
Re: SNO-T "night" sight tube?Tony Oz20 Nov 2018, 08:28
Re: WWV tropical weather announcementsRichard B. Langley20 Nov 2018, 09:26
Re: Geodesic versus great circleAndrés Ruiz20 Nov 2018, 09:46
Re: Quad regression for Lunar Distances?Herman Dekker20 Nov 2018, 12:26
Re: Converting degrees-minutes to degrees and backBrad Morris20 Nov 2018, 13:54
"The Lonely Halls Meeting"Richard Easton20 Nov 2018, 16:57
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov 2018, 18:59
Re: Converting degrees-minutes to degrees and backPaul Hirose20 Nov 2018, 19:00
Re: "The Lonely Halls Meeting"Brad Morris20 Nov 2018, 22:58
Re: "The Lonely Halls Meeting"Richard Easton21 Nov 2018, 02:08
Re: SNO-T "night" sight tube?Gary LaPook21 Nov 2018, 05:30
Re: SNO-T "night" sight tube?Tony Oz21 Nov 2018, 08:43
Re: Quad regression for Lunar Distances?Tony Oz21 Nov 2018, 15:04
Celestial Tools V5.8.0Stan K21 Nov 2018, 15:43
Re: Quad regression for Lunar Distances?Frank Reed21 Nov 2018, 16:03
Re: Quad regression for Lunar Distances?Tony Oz21 Nov 2018, 22:04
Re: SNO-T "night" sight tube?Alexandre Eremenko21 Nov 2018, 22:38
Re: SNO-T "night" sight tube?Brad Morris22 Nov 2018, 12:23
Re: SNO-T "night" sight tube?Tony Oz22 Nov 2018, 19:31
Re: SNO-T "night" sight tube?Bill Morris22 Nov 2018, 19:53
Re: SNO-T "night" sight tube?Brad Morris22 Nov 2018, 21:46
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov 2018, 01:11
Re: SNO-T "night" sight tube?Brad Morris23 Nov 2018, 03:35
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov 2018, 06:47
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz23 Nov 2018, 11:48
Re: Declination and GHA: Nautical Almanac proceduresFrank Reed23 Nov 2018, 18:04
Re: Pub.249 Epoch 2020 is available.Robin Stuart24 Nov 2018, 13:35
Optimum number of LOPsBob Goethe24 Nov 2018, 15:33
Using "hack" as a verbBob Goethe24 Nov 2018, 15:38
Degree CalculatorBob Goethe24 Nov 2018, 16:01
Re: Using "hack" as a verbJohn D. Howard24 Nov 2018, 19:07
Re: Using "hack" as a verbGary LaPook24 Nov 2018, 19:39
Re: Using "hack" as a verbDavid C24 Nov 2018, 21:05
Harbor MarkersEamonn Sparling24 Nov 2018, 21:35
Modern Navigators Are Numb To The UniversePaul Hirose24 Nov 2018, 23:05
Re: Harbor MarkersBrad Morris24 Nov 2018, 23:18
Re: Harbor MarkersBruce J. Pennino25 Nov 2018, 00:59
Re: Harbor MarkersJohn D. Howard25 Nov 2018, 02:13
Re: Degree CalculatorDavid C25 Nov 2018, 02:29
Re: Degree CalculatorDavid C25 Nov 2018, 02:34
Re: Degree CalculatorSean C25 Nov 2018, 03:01
Re: Using "hack" as a verbThomas Spidle25 Nov 2018, 04:01
Re: Harbor MarkersMichael Bradley25 Nov 2018, 09:02
Re: Degree CalculatorEd Popko25 Nov 2018, 11:09
Re: Using "hack" as a verbJacob M. Huffman III25 Nov 2018, 13:33
Re: Harbor MarkersBrad Morris25 Nov 2018, 16:26
Re: Harbor MarkersJohn D. Howard25 Nov 2018, 21:06
Re: Using "hack" as a verbDavid C26 Nov 2018, 00:55
Re: Using "hack" as a verbDavid C26 Nov 2018, 01:17
Re: Degree CalculatorDavid C26 Nov 2018, 01:41
Re: Using "hack" as a verbJacob M. Huffman III26 Nov 2018, 03:03
Re: Optimum number of LOPsBill Lionheart26 Nov 2018, 08:30
Re: Degree CalculatorDavid C26 Nov 2018, 08:38
Re: Optimum number of LOPsBill Lionheart26 Nov 2018, 09:39
Re: Using "hack" as a verbDavid Pike26 Nov 2018, 10:33
Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseEd Popko26 Nov 2018, 10:59
Re: Bright Venus againBill Ritchie26 Nov 2018, 11:05
Re: Harbor MarkersBill Lionheart26 Nov 2018, 13:20
Re: Degree CalculatorBrad Morris26 Nov 2018, 13:52
Re: Optimum number of LOPsGreg Rudzinski26 Nov 2018, 15:07
Re: Using "hack" as a verbDavid C26 Nov 2018, 19:45
Re: Using "hack" as a verbFrank Reed26 Nov 2018, 20:17
Re: Harbor MarkersDavid Pike26 Nov 2018, 20:34
Re: Using "hack" as a verbFrank Reed26 Nov 2018, 20:46
Re: Using "hack" as a verbDavid Pike26 Nov 2018, 20:57
Re: Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseBrad Morris26 Nov 2018, 20:57
Re: Degree CalculatorDavid C26 Nov 2018, 21:14
Re: Harbor MarkersBrad Morris26 Nov 2018, 22:01
Re: Degree CalculatorBrad Morris26 Nov 2018, 22:41
Re: Using "hack" as a verbWayne Hilliard27 Nov 2018, 02:15
Re: Bright Venus againAntoine Couëtte27 Nov 2018, 15:15
Re: Harbor MarkersDavid Pike27 Nov 2018, 17:54
Re: Degree CalculatorBob Goethe27 Nov 2018, 18:48
Re: Refraction, Cassini modelPaul Hirose27 Nov 2018, 22:04
Re: Refraction, Cassini modelRoger W. Sinnott28 Nov 2018, 01:08
Re: Degree CalculatorDavid C28 Nov 2018, 02:13
Re: Harbor MarkersBrad Morris28 Nov 2018, 02:42
Re: Bright Venus againPaul Hirose28 Nov 2018, 07:19
Re: Harbor MarkersDavid Pike28 Nov 2018, 09:04
Re: Bright Venus againAntoine Couëtte28 Nov 2018, 11:30
Searched for Casio fx-98, found this...Tony Oz28 Nov 2018, 15:33
Re: Using "hack" as a verbD Maracle28 Nov 2018, 15:59
Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov 2018, 17:00
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko28 Nov 2018, 17:21
Re: Harbor MarkersFrank Reed28 Nov 2018, 19:10
Re: Harbor MarkersEamonn Sparling28 Nov 2018, 19:13
Re: Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov 2018, 22:13
Re: Refraction, Cassini modelPaul Hirose28 Nov 2018, 23:33
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko29 Nov 2018, 05:34
Re: Heath Sextant P356 - reading the vernier scaleGeoffrey Kolbe29 Nov 2018, 12:50
Re: Refraction, Cassini modelRoger W. Sinnott29 Nov 2018, 13:24
Marion-Bermuda Race 2019Frank Reed29 Nov 2018, 16:40
Re: Marion-Bermuda Race 2019Brad Morris29 Nov 2018, 17:35
Re: Marion-Bermuda Race 2019Tony Oz29 Nov 2018, 19:01
Re: Marion-Bermuda Race 2019Tony Oz29 Nov 2018, 19:04
Re: Marion-Bermuda Race 2019Frank Reed29 Nov 2018, 20:50
Longitude, the Bounty, and William BlighCharles McElhill29 Nov 2018, 20:52
Re: Marion-Bermuda Race 2019Bill B29 Nov 2018, 21:26
Re: Using "hack" as a verbRoger W. Sinnott29 Nov 2018, 21:45
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 02:42
Re: Using "hack" as a verbFrank Reed30 Nov 2018, 03:01
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 03:20
Re: Celestial Navigation on the surface of MarsJohn D. Howard30 Nov 2018, 05:31
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe30 Nov 2018, 07:34
Jargon, terminology , words' meanings, etc.Tony Oz30 Nov 2018, 08:19
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 11:34
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 16:39
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 19:01
Re: Longitude, the Bounty, and William BlighDon Seltzer30 Nov 2018, 19:56
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 20:54
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec 2018, 02:05
Re: Jargon, terminology , words' meanings, etc.Brad Morris1 Dec 2018, 02:08
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec 2018, 03:43
Re: Celestial Navigation on the surface of MarsSean C1 Dec 2018, 05:02
Re: Jargon, terminology , words' meanings, etc.Paul Dolkas1 Dec 2018, 05:51
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart1 Dec 2018, 10:49
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec 2018, 12:46
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec 2018, 13:45
Re: Celestial Navigation on the surface of MarsFrank Reed1 Dec 2018, 20:51
Re: Longitude, the Bounty, and William BlighCharles McElhill1 Dec 2018, 21:27
Re: Degree CalculatorBob Goethe1 Dec 2018, 21:37
Re: Longitude, the Bounty, and William BlighBrad Morris1 Dec 2018, 22:29
Re: Degree CalculatorFrank Reed1 Dec 2018, 22:46
Re: Longitude, the Bounty, and William BlighDon Seltzer2 Dec 2018, 01:02
Re: Longitude, the Bounty, and William BlighDavid C2 Dec 2018, 03:29
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec 2018, 08:55
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec 2018, 09:29
Re: Degree CalculatorHerman Dekker2 Dec 2018, 10:05
Re: Jargon, terminology , words' meanings, etc.Frank Reed2 Dec 2018, 16:59
Re: Jargon, terminology , words' meanings, etc.Gary LaPook2 Dec 2018, 18:30
Re: Degree CalculatorTony Oz2 Dec 2018, 19:18
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart2 Dec 2018, 20:25
Re: Long Term Almanac for navigational starsRafal O.2 Dec 2018, 20:45
Re: Jargon, terminology , words' meanings, etc.David C3 Dec 2018, 04:12
Re: Degree CalculatorPaul Hirose3 Dec 2018, 06:10
Re: Navigation jokesRobert VanderPol II3 Dec 2018, 06:14
Re: Long Term Almanac for navigational starsRafal O.3 Dec 2018, 09:39
Re: Long Term Almanac for navigational starsFrank Reed3 Dec 2018, 17:28
Yet another 4-place Nat-Haversine Table project?Tony Oz3 Dec 2018, 18:04
Re: Jargon, terminology , words' meanings, etc.Tony Oz3 Dec 2018, 19:45
Re: Jargon, terminology , words' meanings, etc.Jackson McDonald3 Dec 2018, 20:25
Re: Jargon, terminology , words' meanings, etc.Frank Reed3 Dec 2018, 20:37
Re: Yet another 4-place Nat-Haversine Table project?Roger W. Sinnott3 Dec 2018, 21:38
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart3 Dec 2018, 21:43
Re: Jargon, terminology , words' meanings, etc.David C4 Dec 2018, 03:09
Re: Jargon, terminology , words' meanings, etc.David C4 Dec 2018, 03:50
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 10:47
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 14:39
CelNav for the TI-83Andrés Ruiz4 Dec 2018, 15:25
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 17:28
Re: Celestial Navigation on the surface of MarsFrank Reed4 Dec 2018, 17:59
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 19:38
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 23:29
Re: Yet another 4-place Nat-Haversine Table project?Herman Dekker5 Dec 2018, 03:23
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 07:55
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec 2018, 12:47
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 14:26
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 14:39
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec 2018, 15:19
Advanced Celestial Navigation SystemsRichard B. Langley6 Dec 2018, 15:26
Longterm Sun's GHA and Dec: what's under the hood?Tony Oz6 Dec 2018, 19:59
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski6 Dec 2018, 21:30
Re: Longterm Sun's GHA and Dec: what's under the hood?Robert VanderPol II7 Dec 2018, 02:44
The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec 2018, 04:35
Re: Longterm Sun's GHA and Dec: what's under the hood?Geoffrey Kolbe7 Dec 2018, 07:16
The Improved Suns Table4 from HO249Herman Dekker7 Dec 2018, 07:31
Re: Longterm Sun's GHA and Dec: what's under the hood?Tony Oz7 Dec 2018, 08:43
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski7 Dec 2018, 12:08
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"Ed Popko7 Dec 2018, 12:10
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 14:49
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 15:41
Re: Longterm Sun's GHA and Dec: what's under the hood?Rafal O.7 Dec 2018, 15:46
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec 2018, 15:47
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 16:12
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 16:37
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec 2018, 17:18
Re: Yet another 4-place Nat-Haversine Table project?David Fleming7 Dec 2018, 18:43
Re: Yet another 4-place Nat-Haversine Table project?Frank Reed7 Dec 2018, 19:41
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:21
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:24
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:33
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:36
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec 2018, 23:07
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz8 Dec 2018, 07:30
Re: Yet another 4-place Nat-Haversine Table project?Brad Morris8 Dec 2018, 22:07
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 07:27
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 09:58
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski9 Dec 2018, 16:49
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 19:50
Re: Yet another 4-place Nat-Haversine Table project?Bill Lionheart9 Dec 2018, 21:02
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski10 Dec 2018, 12:31
Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 15:26
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 16:51
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 19:52
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski10 Dec 2018, 23:04
Position fix by visual satellite observationFrank Reed11 Dec 2018, 00:34
Sextant aboard the ISSFrank Reed11 Dec 2018, 01:48
Re: Sextant aboard the ISSBrad Morris11 Dec 2018, 03:43
Lunars during a Lunar EclipseEd Popko11 Dec 2018, 12:00
Re: Floating-Point 4-place Nat-Haversine TableTony Oz11 Dec 2018, 13:04
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski11 Dec 2018, 17:08
Re: Sextant aboard the ISSPaul Dolkas12 Dec 2018, 05:29
Re: Floating-Point 4-place Nat-Haversine TableTony Oz12 Dec 2018, 20:07
Re: Sextant aboard the ISSBrad Morris12 Dec 2018, 21:31
Modern Celestial, Boston, FebruaryFrank Reed13 Dec 2018, 03:46
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec 2018, 09:01
Re: Floating-Point 4-place Nat-Haversine TableEd Popko13 Dec 2018, 11:06
Re: Floating-Point 4-place Nat-Haversine TableSean C13 Dec 2018, 19:36
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec 2018, 19:58
Re: Floating-Point 4-place Nat-Haversine TableTony Oz14 Dec 2018, 14:17
An Anti Spoof Pro QuestionDavid Pike15 Dec 2018, 23:00
Spur of the moment long by chronDavid C16 Dec 2018, 02:12
Re: Spur of the moment long by chronDavid C16 Dec 2018, 04:10
Re: Spur of the moment long by chronTony Oz16 Dec 2018, 08:05
Re: Spur of the moment long by chronBrad Morris16 Dec 2018, 09:49
Re: Spur of the moment long by chronLars Bergman16 Dec 2018, 11:07
Re: Spur of the moment long by chronEd Popko16 Dec 2018, 11:31
Re: Spur of the moment long by chronGreg Rudzinski16 Dec 2018, 12:34
Re: Spur of the moment long by chronRobin Stuart16 Dec 2018, 12:53
Re: The Improved Suns Table4 from HO249Tony Oz16 Dec 2018, 18:28
Re: Spur of the moment long by chronDavid C16 Dec 2018, 20:14
Re: Spur of the moment long by chronDavid C16 Dec 2018, 20:24
Re: Spur of the moment long by chronGreg Rudzinski16 Dec 2018, 21:00
Re: Emergency navigation: a Cruiserfix tool.John Baum17 Dec 2018, 03:20
Re: An Anti Spoof Pro QuestionFrank Reed17 Dec 2018, 03:43
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 06:19
Re: Emergency navigation: a Cruiserfix tool.Tony Oz17 Dec 2018, 09:08
Re: Spur of the moment long by chronTony Oz17 Dec 2018, 09:18
Re: Spur of the moment long by chronRobin Stuart17 Dec 2018, 15:42
Re: Spur of the moment long by chronLars Bergman17 Dec 2018, 16:47
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 17:59
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 18:11
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 18:36
Latitude from duration of dayTony Oz17 Dec 2018, 19:44
Re: Latitude from duration of dayGreg Rudzinski17 Dec 2018, 22:15
Re: Spur of the moment long by chronDavid C17 Dec 2018, 23:47
Re: Spur of the moment long by chronDavid C17 Dec 2018, 23:54
Re: Spur of the moment long by chronBrian Walton18 Dec 2018, 12:45
Re: Latitude from duration of dayTony Oz18 Dec 2018, 15:35
Re: Latitude from duration of dayLars Bergman18 Dec 2018, 16:44
Re: Latitude from duration of dayFrank Reed18 Dec 2018, 18:02
Re: Unexpected USNO height correction preceptsMehmet Guzey18 Dec 2018, 20:03
Re: Latitude from duration of dayTony Oz18 Dec 2018, 21:09
Re: Latitude from duration of dayTony Oz18 Dec 2018, 21:31
Re: Spur of the moment long by chronDavid C19 Dec 2018, 02:04
Re: Spur of the moment long by chronDavid C19 Dec 2018, 06:50
Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris19 Dec 2018, 15:24
Re: Latitude from duration of dayLars Bergman19 Dec 2018, 15:30
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandFrank Reed19 Dec 2018, 16:37
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandMarcel Tschudin19 Dec 2018, 20:12
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart19 Dec 2018, 21:31
Re: Spur of the moment long by chronDavid C20 Dec 2018, 07:20
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandEd Popko20 Dec 2018, 15:26
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandFrank Reed20 Dec 2018, 18:38
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBruce J. Pennino20 Dec 2018, 19:20
Navigation presentation, Princeton next monthFrank Reed20 Dec 2018, 20:25
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris20 Dec 2018, 21:10
Re: Unexpected USNO height correction preceptsPaul Hirose20 Dec 2018, 21:44
Re: Degree CalculatorAlan S21 Dec 2018, 03:36
Re: Degree CalculatorAlan S21 Dec 2018, 03:46
Re: Traditional navigation by slide ruleAlan S21 Dec 2018, 05:01
Re: Degree CalculatorSean C21 Dec 2018, 05:25
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandTony Oz21 Dec 2018, 08:45
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandAntoine Couëtte21 Dec 2018, 09:50
Re: Spur of the moment long by chronBrian Walton21 Dec 2018, 12:38
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandEd Popko21 Dec 2018, 14:48
Re: Traditional navigation by slide ruleBob Goethe21 Dec 2018, 15:48
Re: Unexpected USNO height correction preceptsMehmet Guzey21 Dec 2018, 17:19
Re: Degree CalculatorAlan S21 Dec 2018, 17:29
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott21 Dec 2018, 17:53
Geogebra?Tony Oz21 Dec 2018, 18:03
Re: Floating-Point 4-place Nat-Haversine TableTony Oz21 Dec 2018, 19:45
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart21 Dec 2018, 20:11
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandAndrés Ruiz21 Dec 2018, 20:26
Re: Unexpected USNO height correction preceptsPaul Hirose21 Dec 2018, 20:51
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris21 Dec 2018, 22:05
Re: Geogebra?Lars Bergman21 Dec 2018, 22:12
Re: Degree CalculatorAlan S21 Dec 2018, 22:58
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris21 Dec 2018, 23:00
Re: Geogebra?Brad Morris21 Dec 2018, 23:16
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott21 Dec 2018, 23:46
Re: Geogebra?Robert Bernecky21 Dec 2018, 23:48
Re: Degree CalculatorSean C22 Dec 2018, 04:41
Re: Unexpected USNO height correction preceptsMehmet Guzey22 Dec 2018, 08:30
Re: Degree CalculatorGreg Rudzinski22 Dec 2018, 13:27
Re: Floating-Point 4-place Nat-Haversine TableFrank Reed22 Dec 2018, 15:26
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott22 Dec 2018, 16:46
Re: Degree CalculatorPaul Hirose22 Dec 2018, 19:34
Re: Degree CalculatorAlan S23 Dec 2018, 04:34
Brown-Nassau CN Plotter or Spherical ComputerAlan S23 Dec 2018, 05:04
Re: Degree CalculatorSean C23 Dec 2018, 07:22
Re: Geogebra?Tony Oz23 Dec 2018, 08:55
Watch error, watch rate: some problems to solve?Tony Oz23 Dec 2018, 09:03
Re: Brown-Nassau CN Plotter or Spherical ComputerFrancis Upchurch23 Dec 2018, 11:16
Re: Brown-Nassau CN Plotter or Spherical ComputerRobert VanderPol II23 Dec 2018, 13:50
Re: Watch error, watch rate: some problems to solve?Brad Morris23 Dec 2018, 17:26
Re: Watch error, watch rate: some problems to solve?Frank Reed23 Dec 2018, 19:00
Re: Watch error, watch rate: some problems to solve?Robin Stuart23 Dec 2018, 20:33
Re: Brown-Nassau CN Plotter or Spherical ComputerAlan S24 Dec 2018, 03:48
Re: Geogebra?Paul Hughes24 Dec 2018, 09:03
Re: Unexpected USNO height correction preceptsPaul Hirose24 Dec 2018, 10:02
Re: Floating-Point 4-place Nat-Haversine TableTony Oz24 Dec 2018, 14:26
Re: Watch error, watch rate: some problems to solve?Tony Oz24 Dec 2018, 14:32
Re: Geogebra?Brad Morris24 Dec 2018, 14:42
Re: Brown-Nassau CN Plotter or Spherical ComputerFrancis Upchurch24 Dec 2018, 14:50
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz24 Dec 2018, 15:35
Re: Geogebra?Brad Morris24 Dec 2018, 15:36
Re: Unexpected USNO height correction preceptsMehmet Guzey24 Dec 2018, 16:54
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandMike Critchley24 Dec 2018, 17:34
Re: Geogebra?Bob Goethe24 Dec 2018, 18:01
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski24 Dec 2018, 18:33
Re: Watch error, watch rate: some problems to solve?Brad Morris24 Dec 2018, 19:49
Re: Unexpected USNO height correction preceptsPaul Hirose24 Dec 2018, 23:50
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart25 Dec 2018, 15:48
Re: Geogebra?Tony Oz25 Dec 2018, 15:49
Re: Unexpected USNO height correction preceptsMehmet Guzey25 Dec 2018, 16:29
"Algebraisation" of the All-Haversine SR?Tony Oz25 Dec 2018, 17:46
Re: Geogebra?Bill Lionheart25 Dec 2018, 18:02
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris25 Dec 2018, 19:52
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart26 Dec 2018, 12:59
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris26 Dec 2018, 18:16
Re: Geogebra?Tony Oz26 Dec 2018, 18:45
Re: Unexpected USNO height correction preceptsFrank Reed27 Dec 2018, 18:51
Crossing Antarctica on FootBrad Morris27 Dec 2018, 19:28
Re: Unexpected USNO height correction preceptsFrank Reed27 Dec 2018, 20:23
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott27 Dec 2018, 20:23
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott27 Dec 2018, 20:30
Re: Geogebra?Tony Oz27 Dec 2018, 23:23
Re: Brown-Nassau CN Plotter or Spherical ComputerAlan S28 Dec 2018, 01:03
Re: Floating-Point 4-place Nat-Haversine TableTony Oz28 Dec 2018, 11:57
Re: Floating-Point 4-place Nat-Haversine TableTony Oz28 Dec 2018, 16:58
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott29 Dec 2018, 02:31
Re: Floating-Point 4-place Nat-Haversine TableTony Oz29 Dec 2018, 07:51
Re: Unexpected USNO height correction preceptsMehmet Guzey29 Dec 2018, 09:12
Re: Lunars during a Lunar EclipseEd Popko29 Dec 2018, 11:21
Re: Lunars during a Lunar EclipseRobin Stuart29 Dec 2018, 17:12
Re: Lunars during a Lunar EclipseBrad Morris29 Dec 2018, 18:09
Re: Lunars during a Lunar EclipseEd Popko29 Dec 2018, 20:01
2019 Commercial Nautical Almanac InsertDoug MacPherson30 Dec 2018, 02:59
Re: 2019 Commercial Nautical Almanac InsertFrank Reed30 Dec 2018, 03:20
Re: Lunars during a Lunar EclipseGeoffrey Kolbe30 Dec 2018, 07:01
Re: Weems Second Setting Navigation WatchRob Fraser30 Dec 2018, 07:58
Re: 2019 Commercial Nautical Almanac InsertRobert Bernecky30 Dec 2018, 14:38
Re: 2019 Commercial Nautical Almanac InsertD Maracle30 Dec 2018, 15:03
Re: 2019 Commercial Nautical Almanac InsertFrank Reed30 Dec 2018, 16:29
Re: Weems Second Setting Navigation WatchEd Popko30 Dec 2018, 19:01
Re: Weems Second Setting Navigation WatchTony Oz30 Dec 2018, 21:56
Re: Lunars during a Lunar EclipseFrank Reed31 Dec 2018, 18:24
Re: Lunars during a Lunar EclipseFrank Reed31 Dec 2018, 19:36

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