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NavList:

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

2020

Index includes 496 messages. Sorted by message ID, in descending order.

                    
Re: Artificial horizon: gyro vs bubble?David Pike24 Feb, 22:07
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 18:18
Re: Martelli Table ProvenanceDave Walden24 Feb, 16:12
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:56
Re: Martelli Table ProvenanceRobert Wyatt24 Feb, 15:37
Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:07
Re: Artificial horizon: gyro vs bubble?Tony Oz24 Feb, 09:36
Re: Artificial horizon: gyro vs bubble?Bill Morris23 Feb, 22:28
Re: UsnoFrank Maxwell20 Feb, 22:39
Re: Artificial horizon: gyro vs bubble?David Pike20 Feb, 17:15
Re: Artificial horizon: gyro vs bubble?Tony Oz20 Feb, 08:36
Re: UsnoSean C20 Feb, 05:27
USNOFrank Maxwell20 Feb, 02:32
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 22:46
Re: Artificial horizon: gyro vs bubble?David Pike19 Feb, 18:36
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 10:28
Artificial horizon: gyro vs bubble?Tony Oz19 Feb, 09:05
Re: Please help to identify a sextantTony Oz19 Feb, 08:59
Re: Please help to identify a sextantDavid Pike18 Feb, 19:33
Re: Please help to identify a sextantGeoffrey Kolbe18 Feb, 16:56
Re: Please help to identify a sextantDave Walden18 Feb, 16:03
Re: Please help to identify a sextantTony Oz18 Feb, 15:27
Re: Please help to identify a sextantDavid Pike18 Feb, 13:31
Re: Please help to identify a sextantDavid Pike17 Feb, 23:22
Please help to identify a sextantTony Oz17 Feb, 21:46
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 21:24
Re: Kollsman periscopic sextant mountBill Morris17 Feb, 21:15
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 21:03
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 20:36
Re: Two Bodies + Angle Between Them = Third LoPFrank Reed17 Feb, 19:57
Re: Two Bodies + Angle Between Them = Third LoPJohn D. Howard17 Feb, 19:33
Re: Lunar distance parallactic retardationFrank Reed17 Feb, 19:32
Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 19:10
Re: Kollsman periscopic sextant mountGary LaPook16 Feb, 07:13
Re: Kollsman periscopic sextant mountMichael Jones15 Feb, 19:08
Re: Lunar distance parallactic retardationAntoine Couëtte15 Feb, 18:12
Re: Automatic Plotting of LOP's using graphing calculatorBill Ritchie15 Feb, 02:23
Lunar distance parallactic retardationPaul Hirose14 Feb, 21:24
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 18:43
Re: A-12 ExperiencesAndrés Ruiz14 Feb, 14:39
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 08:45
Re: Automatic Plotting of LOP's using graphing calculatorAndrés Ruiz14 Feb, 06:54
Re: Automatic Plotting of LOP's using graphing calculatorAlex Spradling14 Feb, 00:34
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz13 Feb, 23:19
Automatic Plotting of LOP's using graphing calculatorAlex Spradling13 Feb, 22:57
Re: Celestial Navigation classes in the UK in JuneFrank Reed13 Feb, 20:05
Celnav apps for AndroidAndrés Ruiz13 Feb, 18:01
Re: Sun Slow DayRobert VanderPol II13 Feb, 14:10
Re: What does the Analemma depict?Ed Popko13 Feb, 13:35
Re: What does the Analemma depict?David Iwancio12 Feb, 22:27
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 20:46
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 20:13
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 19:06
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 18:59
Re: Sun Slow DayEd Popko12 Feb, 11:23
Re: A-12 ExperiencesEd Popko12 Feb, 11:12
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose12 Feb, 06:11
Re: A-12 ExperiencesDavid Pike11 Feb, 19:19
Sun Slow DayFrank Reed11 Feb, 18:29
Re: A-12 ExperiencesTony Oz11 Feb, 18:20
Re: A-12 ExperiencesEd Popko11 Feb, 13:36
Re: A-12 ExperiencesDavid Pike10 Feb, 19:47
Re: Is this a real site (celestial... .info)?Bill Lionheart10 Feb, 08:29
Re: A-12 ExperiencesRobert VanderPol II10 Feb, 07:04
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:46
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:09
Re: A-12 ExperiencesGeoffrey Kolbe10 Feb, 05:56
Re: A-12 ExperiencesEd Popko10 Feb, 01:06
Re: A-12 ExperiencesEd Popko10 Feb, 00:57
Re: Is this a real site (celestial... .info)?Ken Gebhart Jr.10 Feb, 00:48
Re: Is this a real site (celestial... .info)?Frank Reed10 Feb, 00:25
Re: A-12 ExperiencesTibor Miseta9 Feb, 23:23
Re: Is this a real site (celestial... .info)?Philippe Posth9 Feb, 19:07
Re: A-12 ExperiencesGeoffrey Kolbe9 Feb, 17:47
Re: Classical Lunars diagram: who invented it ?Frank Reed9 Feb, 17:46
Classical Lunars diagram: who invented it ?Antoine Couëtte9 Feb, 14:43
Re: Kollsman periscopic sextant mountR William McAllister9 Feb, 13:04
Re: Kollsman periscopic sextant mountDavid Pike9 Feb, 12:57
A-12 ExperiencesEd Popko9 Feb, 11:44
Re: Is this a real site (celestial... .info)?David C9 Feb, 08:16
Re: Kollsman periscopic sextant mountGary LaPook9 Feb, 05:54
Re: Is this a real site (celestial... .info)?Doug Faunt8 Feb, 22:12
Re: Kollsman periscopic sextant mountJakub Stastny6 Feb, 07:05
Re: Celestial Navigation classes in the UK in JuneGreg Rudzinski8 Feb, 20:33
Re: Weems Star Altitude CurvesTony Oz8 Feb, 20:00
Re: Is this a real site (celestial... .info)?Paul Hirose8 Feb, 19:47
Celestial Navigation classes in the UK in JuneFrank Reed8 Feb, 19:30
Re: Is this a real site (celestial... .info)?Frank Reed8 Feb, 19:06
Re: Is this a real site (celestial... .info)?Igor S.8 Feb, 18:55
Re: Weems Star Altitude CurvesFrank Reed8 Feb, 18:47
Is this a real site (celestial... .info)?Doug Faunt8 Feb, 17:59
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 09:09
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 08:52
Re: Weems Star Altitude CurvesTony Oz8 Feb, 08:20
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte8 Feb, 07:41
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed8 Feb, 04:05
Re: Weems Star Altitude CurvesDave Walden7 Feb, 23:08
Re: Weems Star Altitude CurvesTony Oz7 Feb, 18:48
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte7 Feb, 13:09
Re: Weems Star Altitude CurvesMurray Peake7 Feb, 08:54
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 22:28
Re: Weems Star Altitude CurvesTony Oz6 Feb, 22:06
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 21:05
Re: Weems Star Altitude CurvesTony Oz6 Feb, 20:50
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 20:17
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 19:43
Re: Latitude by two stars observed simultaneouslyFrank Reed6 Feb, 18:25
The All-Haversine formula for Hc known since 1924?Tony Oz6 Feb, 17:56
Re: Weems Star Altitude CurvesTony Oz6 Feb, 08:14
Re: Latitude by two stars observed simultaneouslyAlan S5 Feb, 19:21
Re: History & development of HO-249Gary LaPook5 Feb, 19:30
Re: History & development of HO-249Gary LaPook5 Feb, 19:29
Re: History & development of HO-249Gary LaPook5 Feb, 19:25
Re: History & development of HO-249Gary LaPook5 Feb, 18:46
Re: Weems Star Altitude CurvesMurray Peake5 Feb, 17:39
Re: Russian Tables of Computed Altitude and AzimuthTony Oz5 Feb, 17:13
Re: Weems Star Altitude CurvesTony Oz5 Feb, 13:51
Re: Captain Cook & celestial navigationWolfgang Köberer5 Feb, 10:04
Re: History & development of HO-249Igor S.5 Feb, 09:42
Re: Russian Tables of Computed Altitude and AzimuthIgor S.5 Feb, 09:36
Re: Captain Cook & celestial navigationRobin Stuart4 Feb, 15:47
Russian Tables of Computed Altitude and AzimuthTony Oz4 Feb, 14:44
Re: History & development of HO-249David C4 Feb, 03:10
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:54
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:19
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose3 Feb, 19:00
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed3 Feb, 17:58
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 06:20
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:36
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:17
Re: History & development of HO-249Frank Reed3 Feb, 03:56
Re: Captain Cook & celestial navigationFrank Reed3 Feb, 02:53
Re: History & development of HO-249Robert VanderPol II3 Feb, 02:51
Re: A postage stamp on a football?? – try a cricket ball.Frank Reed3 Feb, 02:14
Re: History & development of HO-249Gary LaPook3 Feb, 00:21
Re: Moon Venus Lunar - Interpretation of resultsJim Rives2 Feb, 22:26
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:53
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:26
History & development of HO-249Igor S.2 Feb, 17:18
A postage stamp on a football?? – try a cricket ball.David Pike2 Feb, 10:28
Re: Scale of InterceptSean C2 Feb, 07:19
Re: Captain Cook & celestial navigationGeoffrey Kolbe2 Feb, 08:10
Re: Scale of InterceptSean C2 Feb, 07:14
Re: Scale of InterceptDavid C2 Feb, 03:16
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed2 Feb, 02:08
Re: Scale of InterceptJohn D. Howard2 Feb, 01:25
Re: Scale of InterceptFrank Reed2 Feb, 01:13
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose1 Feb, 23:54
Re: Scale of InterceptDavid C1 Feb, 21:19
Re: Scale of InterceptDavid Pike1 Feb, 19:01
Re: Scale of InterceptJohn D. Howard1 Feb, 17:55
Re: Scale of InterceptFrank Reed1 Feb, 17:20
Scale of InterceptDavid C1 Feb, 04:32
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:46
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:38
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:09
Arthur Rostron's sextantPaul Hirose31 Jan, 22:15
Re: Captain Cook & celestial navigationJohn D. Howard31 Jan, 18:35
Re: Moon Venus Lunar - Interpretation of resultsGeoffrey Kolbe31 Jan, 15:06
Re: Moon Venus Lunar - Interpretation of resultsEd Popko31 Jan, 12:36
Re: Starmaster slide rule on ebayWil Bailey31 Jan, 11:56
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 06:05
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 03:36
Re: Anti-spoof testing my sextantJim Rives31 Jan, 03:06
Re: Moon Venus Lunar - Interpretation of resultsJim Rives31 Jan, 02:59
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 02:07
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 01:57
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed31 Jan, 01:36
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 21:07
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 18:54
Anti-spoof testing my sextantJim Rives30 Jan, 17:00
Moon Venus Lunar - Interpretation of resultsJim Rives30 Jan, 16:49
Re: GPS Anti Spoof based on radio sextant ?David Pike30 Jan, 11:50
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 07:44
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 06:58
Re: Satellite collision over northeast USJim Rives30 Jan, 02:59
Re: Satellite collision over northeast USDave Walden30 Jan, 00:22
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 22:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyEd Popko29 Jan, 21:26
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyDavid Pike29 Jan, 21:08
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 20:18
Re: Captain Cook & celestial navigationDavid Pike29 Jan, 19:36
Satellite collision over northeast USFrank Reed29 Jan, 19:29
Re: Captain Cook & celestial navigationRobin Stuart29 Jan, 17:52
Re: Captain Cook & celestial navigationFrank Reed29 Jan, 17:01
Re: Earliest Crescent Moon VisibilityHerman Dekker29 Jan, 11:31
Re: GPS Anti Spoof based on radio sextant ?Frank Reed28 Jan, 19:06
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed27 Jan, 18:14
Re: Earliest Crescent Moon VisibilityGary LaPook27 Jan, 17:30
Re: Earliest Crescent Moon VisibilityDavid Iwancio27 Jan, 17:21
Re: Earliest Crescent Moon VisibilityFrank Reed27 Jan, 17:04
GPS Anti Spoof based on radio sextant ?Igor S.27 Jan, 16:43
Re: Earliest Crescent Moon VisibilityRobert H. van Gent27 Jan, 16:41
Re: HMNAO Websites Down Too?David Iwancio27 Jan, 16:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRobin Stuart27 Jan, 14:44
Earliest Crescent Moon VisibilityHerman Dekker27 Jan, 14:27
Re: Celestial navigation: easier basic principle?Ed Popko27 Jan, 10:56
HMNAO Websites Down Too?David Iwancio27 Jan, 07:38
Re: Celestial navigation: easier basic principle?Geoffrey Kolbe27 Jan, 06:54
Re: No DR position. How can you get an accurate celestial fix?David C27 Jan, 06:33
Re: Navigation devices available now on ebay.Gary LaPook27 Jan, 05:02
Re: Celestial navigation: easier basic principle?Bruce Cutting27 Jan, 03:23
Re: Celestial navigation: easier basic principle?Peter Monta27 Jan, 02:59
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 23:36
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed26 Jan, 20:56
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 20:07
Re: Celestial navigation: easier basic principle?Bruce Cutting26 Jan, 19:10
Cold War Hangar Navigating & Tales from On-board ShuttleR William McAllister26 Jan, 18:47
Re: Celestial navigation: easier basic principle?R William McAllister26 Jan, 12:51
Re: Cosine formula to solve a right spherical triangle?Ed Popko26 Jan, 12:36
Re: Navigation devices available now on ebay.David Pike26 Jan, 09:05
Re: Celestial navigation: easier basic principle?Peter Monta26 Jan, 07:44
Sky & Telescope Magazine article on Capt. Cook's AstronomyPaul Saffo26 Jan, 06:28
Re: No DR position. How can you get an accurate celestial fix?David C26 Jan, 02:25
Re: Navigation devices available now on ebay.Gary LaPook25 Jan, 23:17
Re: Navigation devices available now on ebay.David Pike25 Jan, 19:40
Re: No DR position. How can you get an accurate celestial fix?Frank Reed25 Jan, 19:12
Re: No DR position. How can you get an accurate celestial fix?Mike Burkes25 Jan, 16:01
Re: No DR position. How can you get an accurate celestial fix?David Pike25 Jan, 08:07
Navigation devices available now on ebay.Gary LaPook25 Jan, 07:05
Celestial navigation: easier basic principle?A Ponics25 Jan, 04:42
Re: No DR position. How can you get an accurate celestial fix?Peter Hakel25 Jan, 03:39
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsIgor S.24 Jan, 23:45
Re: No DR position. How can you get an accurate celestial fix?David Pike24 Jan, 19:41
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz24 Jan, 09:40
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart24 Jan, 07:45
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsAlexandre Eremenko23 Jan, 21:18
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook23 Jan, 19:26
Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz23 Jan, 08:32
Re: Cosine formula to solve a right spherical triangle?Frank Reed23 Jan, 03:36
Re: No DR position. How can you get an accurate celestial fix?Frank Reed23 Jan, 02:56
Davis Instruments Prism-Level Owner's ManualRoger C Bucholz23 Jan, 01:51
Re: Cosine formula to solve a right spherical triangle?David Iwancio22 Jan, 23:54
Re: Captain Cook & celestial navigationDavid Pike22 Jan, 22:32
Re: Why Can't My GNSS Receiver See Galileo?David Pike22 Jan, 21:16
Re: Cosine formula to solve a right spherical triangle?Fred Hebard22 Jan, 16:35
Captain Cook & celestial navigationRafael C. Caruso22 Jan, 16:35
Re: Percy Lyall Hooker Davis' High Latitude TablesRobin Stuart22 Jan, 15:50
Re: No DR position. How can you get an accurate celestial fix?David Iwancio22 Jan, 09:02
Fwd: Journal of,Astronomical History and Heritage December 2019Paul Hirose22 Jan, 05:18
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 22:25
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 21:15
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 21:11
Re: Cosine formula to solve a right spherical triangle?Alexandre Eremenko21 Jan, 20:06
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook21 Jan, 19:17
Re: Cosine formula to solve a right spherical triangle?David Iwancio21 Jan, 18:27
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart21 Jan, 11:43
Percy Lyall Hooker Davis' High Latitude TablesDavid C21 Jan, 05:45
Cosine formula to solve a right spherical triangle?Rajeev Yadav21 Jan, 03:27
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:52
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:29
Re: No DR position. How can you get an accurate celestial fix?Dustin Baenen20 Jan, 17:42
Re: Bausch and Lomb WWII Aircraft SextantsEd Popko20 Jan, 17:01
Re: Why Can't My GNSS Receiver See Galileo?Richard B. Langley20 Jan, 13:07
Re: Compass CheckDavid C20 Jan, 04:34
Re: Compass CheckDavid C20 Jan, 04:27
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 04:08
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 03:49
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 03:15
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 01:56
Re: No DR position. How can you get an accurate celestial fix?Ron Jones20 Jan, 00:18
Re: Why Can't My GNSS Receiver See Galileo?Ian Vaughn19 Jan, 21:43
Bausch and Lomb WWII Aircraft SextantsRobert Swartz19 Jan, 20:08
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 20:01
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan, 19:40
Re: Why Can't My GNSS Receiver See Galileo?Bob Goethe19 Jan, 19:27
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 19:27
Re: Cold War Sun HoursDavid Pike19 Jan, 19:08
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan, 18:47
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 18:13
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed19 Jan, 18:04
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan, 17:47
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan, 17:41
Re: No DR position. How can you get an accurate celestial fix?Jim Rives19 Jan, 17:30
No DR position. How can you get an accurate celestial fix?Robert Goldberg19 Jan, 15:29
Mars Occultation Feb 18 2020Jim Rives19 Jan, 14:42
IPhone 10 Compass/SextantJeremy Clark19 Jan, 14:35
Lunar 17Jan20 Interpretation of ResultsJim Rives19 Jan, 13:08
Why Can't My GNSS Receiver See Galileo?Sean C19 Jan, 11:52
Re: Compass CheckJeremy C19 Jan, 10:19
Re: Compass CheckDavid C19 Jan, 08:07
Re: Compass CheckDavid C19 Jan, 07:15
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 07:03
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed19 Jan, 03:08
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 02:45
Compass CheckDavid C19 Jan, 02:12
Re: Hardly ever get an LOP than 20 NM - why?Nick M19 Jan, 02:03
Re: Designed for the use of British SeamanDoug MacPherson18 Jan, 23:51
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:45
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:30
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:21
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth18 Jan, 23:03
Designed for the use of British SeamanDavid C18 Jan, 22:06
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan, 18:46
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan, 17:33
Re: Hardly ever get an LOP than 20 NM - why?John D. Howard18 Jan, 16:08
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C18 Jan, 09:45
Re: RAF Air Navigation: listing on ebayBob Crawley18 Jan, 09:16
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan, 07:34
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan, 06:50
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:17
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:14
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:07
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 02:48
Time lapse coastal voyage with stars (and he can use a sextant)Dave Walden17 Jan, 23:55
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth17 Jan, 19:58
Re: Cold War Sun HoursFrank Reed17 Jan, 19:44
Re: Some pop culture sextantsFrank Reed17 Jan, 19:34
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed17 Jan, 16:49
Re: Historic US chart & map collectionsMike Mayer17 Jan, 15:29
Re: Hardly ever get an LOP than 20 NM - why?Greg Rudzinski17 Jan, 14:38
Re: Hardly ever get an LOP than 20 NM - why?Fred Hebard17 Jan, 14:29
Re: Hardly ever get an LOP than 20 NM - why?Jim Hickey17 Jan, 14:16
Re: RAF Air Navigation: listing on ebayDavid Pike17 Jan, 14:01
Re: Hardly ever get an LOP than 20 NM - why?David Pike17 Jan, 10:31
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C17 Jan, 09:34
Re: Hardly ever get an LOP than 20 NM - why?Igor S.17 Jan, 08:56
Re: Hardly ever get an LOP than 20 NM - why?Tony Oz17 Jan, 08:18
Re: Hardly ever get an LOP than 20 NM - why?Alan S17 Jan, 06:11
Re: Some pop culture sextantsR William McAllister17 Jan, 04:25
Some pop culture sextantsFrank Reed17 Jan, 04:09
Hardly ever get an LOP than 20 NM - why?Laurence HOlden17 Jan, 03:42
Re: Compass direction from MoonFrank Reed17 Jan, 03:20
Historic US chart & map collectionsPaul Hirose16 Jan, 21:03
Re: Compass direction from MoonIgor S.16 Jan, 19:44
Re: Compass direction from MoonFrank Reed16 Jan, 19:05
Starlink satellites over New England tonightFrank Reed16 Jan, 18:43
Compass direction from MoonHerman Dekker16 Jan, 18:39
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Robin Stuart16 Jan, 16:19
Re: RAF Air Navigation: listing on ebayBob Crawley16 Jan, 10:27
GPS jammingGary LaPook16 Jan, 08:20
Re: Curve fitting for noon SunRafael C. Caruso16 Jan, 00:10
Re: Stellarium, refraction, HPEd Popko15 Jan, 23:47
Re: RAF Air Navigation: listing on ebayDavid Pike15 Jan, 19:36
Re: Stellarium, refraction, HPJim Rives15 Jan, 17:40
Re: Stellarium, refraction, HPEd Popko15 Jan, 13:10
Re: SpaceX Starlink launch: photo celestialDavid Pike15 Jan, 08:32
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 04:02
Re: Stellarium, refraction, HP ---- YES!Joe Suligoy15 Jan, 03:20
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 01:45
Re: Stellarium, refraction, HP ---- YES!Frank Reed15 Jan, 01:22
Re: SpaceX Starlink launch: photo celestialFrank Reed15 Jan, 01:08
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 00:18
Re: Stellarium, refraction, HPJim Rives15 Jan, 00:03
Re: Stellarium, refraction, HPFrank Reed14 Jan, 23:57
Re: Curve fitting for noon SunFrank Reed14 Jan, 23:42
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 22:52
Re: Yellow page in NADavid Iwancio14 Jan, 22:33
Re: Curve fitting for noon SunRafael C. Caruso14 Jan, 22:18
Re: Yellow page in NADavid C14 Jan, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 20:01
Re: Curve fitting for noon SunFrank Reed14 Jan, 19:37
Re: Stellarium, refraction, HPPaul Hirose14 Jan, 19:31
Re: Curve fitting for noon SunDave Walden14 Jan, 15:10
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 09:00
Re: Yellow page in NADavid Iwancio14 Jan, 06:49
Re: Stellarium, refraction, HPFrank Reed14 Jan, 03:42
Re: Stellarium, refraction, HPJim Rives14 Jan, 02:54
Re: Stellarium, refraction, HPFrank Reed14 Jan, 01:43
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 01:25
Re: Stellarium, refraction, HPJim Rives14 Jan, 01:00
Re: Curve fitting for noon SunHewitt Schlereth14 Jan, 00:38
Re: Yellow page in NARafael C. Caruso13 Jan, 20:58
Re: Curve fitting for noon SunRafael C. Caruso13 Jan, 20:32
Re: Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 19:27
Cold War Sun HoursR William McAllister13 Jan, 17:59
Re: Yellow page in NADavid Pike13 Jan, 17:49
Re: Yellow page in NARobert VanderPol II13 Jan, 17:46
Re: Curve fitting for noon SunIgor S.13 Jan, 17:00
Re: Air Almanac 2020 full pdf now available...Thomas Spidle13 Jan, 16:01
Re: Yellow page in NAMichael Cain13 Jan, 15:53
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:37
Yellow page in NAIgor S.13 Jan, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:07
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:45
Re: Stellarium, refraction, HPFrank Reed13 Jan, 04:23
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:08
Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 03:33
Re: Curve fitting for noon SunJohn D. Howard13 Jan, 01:35
Re: Stellarium, refraction, HPJim Rives13 Jan, 01:09
Re: Curve fitting for noon SunFrank Reed13 Jan, 01:00
Re: Curve fitting for noon SunBrad Morris13 Jan, 00:52
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:20
Re: Curve fitting for noon SunDavid Fleming13 Jan, 00:19
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:02
Re: Curve fitting for noon SunBrad Morris12 Jan, 23:41
Re: Stellarium, refraction, HPFrank Reed12 Jan, 23:13
Curve fitting for noon SunRafael C. Caruso12 Jan, 16:33
Re: Stellarium, refraction, HPJim Rives12 Jan, 14:11
Re: SpaceX Starlink launch: photo celestialR William McAllister12 Jan, 13:37
Re: Mystery Navy DeviceGeoffrey Kolbe12 Jan, 13:18
Re: SpaceX Starlink launch: photo celestialDavid Pike12 Jan, 09:08
Re: SpaceX Starlink launch: photo celestialFrank Reed12 Jan, 02:57
Re: Reed's Lunars Calculator AnniversaryFrank Reed12 Jan, 00:50
Re: Reed's Lunars Calculator AnniversaryEd Popko12 Jan, 00:15
Re: Stellarium, refraction, HPEd Popko12 Jan, 00:09
Re: Mystery Navy DeviceLuc Van den Borre11 Jan, 23:15
Re: Reed's Lunars Calculator AnniversaryBrad Morris11 Jan, 18:56
Re: Stellarium, refraction, HPJim Rives11 Jan, 18:08
Re: Mystery Navy DeviceWilliam Edward Henry11 Jan, 18:28
Reed's Lunars Calculator AnniversaryEd Popko11 Jan, 12:46
Re: Stellarium, refraction, HPEd Popko11 Jan, 12:39
Re: SpaceX Starlink launch: photo celestialFrank Reed11 Jan, 01:22
Re: Stellarium, refraction, HPJim Rives11 Jan, 01:20
Re: Stellarium, refraction, HPJoe Suligoy10 Jan, 23:51
Re: Stellarium, refraction, HPEd Popko10 Jan, 11:23
Re: Jupiter-Saturn Conjunction: 21 Dec 2020Brad Morris10 Jan, 03:25
Jupiter-Saturn Conjunction: 21 Dec 2020Frank Reed10 Jan, 02:57
Re: Stellarium, refraction, HPFrank Reed10 Jan, 01:32
Re: Stellarium, refraction, HPJim Rives9 Jan, 23:24
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 22:35
Stellarium, refraction, HPJim Rives9 Jan, 21:25
Re: RAF Air Navigation: listing on ebayDavid Pike9 Jan, 21:59
Re: Moon’s SDJim Rives9 Jan, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 20:12
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 19:56
RAF Air Navigation: listing on ebayBob Crawley9 Jan, 19:27
Re: SpaceX Starlink launch: photo celestialGreg Rudzinski9 Jan, 15:23
Re: Position bias from UTCDavid Iwancio9 Jan, 11:33
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 10:34
Re: Position bias from UTCPaul Hirose9 Jan, 06:22
Re: SpaceX Starlink launch: photo celestialDavid Pike8 Jan, 22:34
SpaceX Starlink launch: photo celestialFrank Reed8 Jan, 20:10
Re: Moon’s SDFrank Reed8 Jan, 19:19
Re: Variation or Declination?Brad Morris8 Jan, 17:46
Captain Cook's AstronomyRobin Stuart8 Jan, 17:25
Re: Variation or Declination?Frank Reed8 Jan, 17:22
Re: Variation or Declination?Jim Rives8 Jan, 17:01
Re: Variation or Declination?David Pike8 Jan, 16:40
Re: Variation or Declination?Joe Suligoy8 Jan, 04:44
Re: Moon’s SDJim Rives8 Jan, 03:49
Re: Variation or Declination?Frank Reed8 Jan, 03:30
Variation or Declination?David C8 Jan, 03:08
Re: Position bias from UTCJohn D. Howard8 Jan, 02:52
Re: Beidou Network OperationalFrank Reed8 Jan, 00:21
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 23:59
Beidou Network OperationalDavid C7 Jan, 23:26
Re: Position bias from UTCPaul Hirose7 Jan, 21:46
Re: Moon’s SDFrank Reed7 Jan, 17:09
Re: Moon’s SDMurray Peake7 Jan, 17:09
Re: Longitude by Lunar OccultationRobin Stuart7 Jan, 17:08
Moon’s SDJim Rives7 Jan, 14:02
Re: A strange addition to a sextantRobert Eno7 Jan, 04:55
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy7 Jan, 04:01
Re: Navigating in Microsoft Flight SimulatorJim Rives7 Jan, 03:17
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 02:25
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 23:54
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 23:39
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 19:50
Re: Navigating in Microsoft Flight SimulatorDustin Baenen6 Jan, 19:18
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy6 Jan, 17:49
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 15:41
Re: Kollsman periscopic sextant mountKen Gebhart6 Jan, 15:36
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 09:21
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 03:14
Navigating in Microsoft Flight SimulatorFrank Reed6 Jan, 00:59
Re: Kollsman periscopic sextant mountJacob M. Huffman III6 Jan, 00:14
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 19:19
Re: A strange addition to a sextantPhilippe Posth5 Jan, 08:52
Re: Dating Hughes and Son sextantsBill Morris5 Jan, 07:13
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 05:06
Re: Dating Hughes and Son sextantsDavid Pike4 Jan, 23:07
Re: A strange addition to a sextantJackson McDonald4 Jan, 22:08
Re: A strange addition to a sextantGary LaPook4 Jan, 21:42
Re: Position bias from UTCRobin Stuart4 Jan, 21:38
Re: Dating Hughes and Son sextantsFrank Reed4 Jan, 21:28
Re: A strange addition to a sextantFrank Reed4 Jan, 21:22
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 21:12
Re: Dating Hughes and Son sextantsFred Hebard4 Jan, 21:11
Re: Position bias from UTCDavid Iwancio4 Jan, 20:51
A strange addition to a sextantGary LaPook4 Jan, 19:14
Re: Position bias from UTCFrank Reed4 Jan, 18:37
Re: Longitude by Lunar OccultationFrank Reed4 Jan, 18:09
Position bias from UTCRobin Stuart4 Jan, 16:49
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 16:01
Re: Dating Hughes and Son sextantsFrancis Upchurch4 Jan, 06:45
Re: Dating Hughes and Son sextantsSean C4 Jan, 05:45
NPR article on BetelgeuseRommel John Miller4 Jan, 01:48
Re: Dating Hughes and Son sextantsNiall Fitzpatrick3 Jan, 09:24
Re: Pilot watch slide rulesPaul Hirose3 Jan, 07:50
Re: Radium Infused Bubble SextantPaul Dolkas3 Jan, 04:36
Re: How high is "Angels One Five"?John D. Howard3 Jan, 03:25
Re: How high is "Angels One Five"?Bob Goethe3 Jan, 03:13
How high is "Angels One Five"?Tony Oz3 Jan, 02:41
Re: Pilot watch slide rulesPaul Dolkas3 Jan, 02:34
Re: Unusual SunIgor S.1 Jan, 22:30
Re: Air Almanac 2020 full pdf now available...David C1 Jan, 20:33
Re: Unusual SunDavid C1 Jan, 20:15
Re: Correcting for the movement of an observer: a plausible explanation?David Pike1 Jan, 20:03
Re: Unusual SunBill Ritchie1 Jan, 17:35
Unusual SunDavid C1 Jan, 06:53
Re: New Year's EveDavid C1 Jan, 04:06
Re: New Year's EveJohn D. Howard1 Jan, 03:42
Re: New Year's EveDavid C1 Jan, 03:11
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook1 Jan, 01:08

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