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NavList:

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

Found: all in date 2019

Index includes 2825 messages. Sorted by date, recent messages first.

                    
Re: Correcting for the movement of an observer: a plausible explanation?Frank Reed31 Dec 2019, 23:56
New Year's EveRommel John Miller31 Dec 2019, 23:10
Re: Pilot watch slide rulesTony Oz31 Dec 2019, 06:15
Re: Pilot watch slide rulesSean C30 Dec 2019, 23:01
Pilot watch slide rulesPaul Hirose30 Dec 2019, 21:03
Re: On the Implications of the Earth's Sidereal RotationJohn D. Howard30 Dec 2019, 15:31
On the Implications of the Earth's Sidereal RotationBrad Morris30 Dec 2019, 03:44
Re: Correcting for the movement of an observer: a plausible explanation?David Pike29 Dec 2019, 20:15
Re: Bright planet near the Moon tonightDavid C29 Dec 2019, 08:51
Re: Bright planet near the Moon tonightDavid Iwancio29 Dec 2019, 08:47
Re: Bright planet near the Moon tonightJoe Suligoy29 Dec 2019, 06:23
Bright planet near the Moon tonightRommel John Miller29 Dec 2019, 04:16
Re: HO SeriesDave Walden29 Dec 2019, 02:17
Re: Radium Infused Bubble SextantGary LaPook28 Dec 2019, 23:39
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook28 Dec 2019, 23:37
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook28 Dec 2019, 23:25
Re: HO SeriesBrad Morris28 Dec 2019, 21:21
Re: Correcting for the movement of an observer: a plausible explanation?Frank Reed28 Dec 2019, 21:12
Re: HO SeriesFrank Reed28 Dec 2019, 18:39
Re: HO SeriesRobert VanderPol II28 Dec 2019, 04:55
Re: CN - quick reference cardIgor S.28 Dec 2019, 00:19
Re: Using the Anti Spoofing AppHuub Robroek27 Dec 2019, 18:11
Re: HO SeriesGary LaPook27 Dec 2019, 06:09
Re: A-10 Sextant RestorationGary LaPook27 Dec 2019, 05:59
Re: A-10 Sextant RestorationLou deMartely27 Dec 2019, 02:58
Re: What do you understand by a footstep?Lu Abel27 Dec 2019, 00:20
Re: HO SeriesGary LaPook26 Dec 2019, 23:35
Re: HO SeriesDavid C26 Dec 2019, 23:00
Re: Betelgeuse is fadingDavid C26 Dec 2019, 22:36
Re: HO SeriesFrank Reed26 Dec 2019, 22:36
Re: What do you understand by a footstep?Dustin Baenen26 Dec 2019, 22:16
Re: Betelgeuse is fadingBrad Morris26 Dec 2019, 21:41
HO SeriesDavid C26 Dec 2019, 20:52
What do you understand by a footstep?David Pike26 Dec 2019, 20:47
Re: Betelgeuse is fadingFrank Reed26 Dec 2019, 20:25
Betelgeuse is fadingFrank Reed26 Dec 2019, 19:09
Re: Pub. 249 as Starfinder and Sight-plannerFrank Reed26 Dec 2019, 18:41
Re: If looking for a Bubble Sextant...Dustin Baenen26 Dec 2019, 15:47
Re: Pub. 249 as Starfinder and Sight-plannerHerman Dekker26 Dec 2019, 13:47
Re: Correcting for the movement of an observer: a plausible explanation?Tony Oz26 Dec 2019, 10:12
Re: Radium Infused Bubble SextantTony Oz26 Dec 2019, 08:09
Re: Radium Infused Bubble SextantFrancis Upchurch26 Dec 2019, 07:35
Re: If looking for a Bubble Sextant...Jim Rives26 Dec 2019, 00:52
Re: Radium Infused Bubble SextantDavid C25 Dec 2019, 22:07
Re: Radium Infused Bubble SextantGary LaPook25 Dec 2019, 21:23
Re: Radium Infused Bubble SextantDavid C25 Dec 2019, 21:09
Pub. 249 as Starfinder and Sight-plannerFrank Reed25 Dec 2019, 20:55
Re: Radium Infused Bubble SextantFrancis Upchurch25 Dec 2019, 20:05
Radium Infused Bubble SextantBrad Morris25 Dec 2019, 17:06
Re: Using the Anti Spoofing AppBrian Killian25 Dec 2019, 16:14
Re: Celestial Navigation Data from USNO--alternativeTony Oz25 Dec 2019, 12:31
Re: If looking for a Bubble Sextant...David Pike25 Dec 2019, 11:37
Re: If looking for a Bubble Sextant...Joe Suligoy25 Dec 2019, 09:49
Re: If looking for a Bubble Sextant...David C25 Dec 2019, 08:48
Re: If looking for a Bubble Sextant...Jim Rives25 Dec 2019, 02:43
Re: Off-topic: Oscar-winning "Christmas Carol"Rommel John Miller25 Dec 2019, 00:50
Re: Off-topic: Oscar-winning "Christmas Carol"Tom Sult25 Dec 2019, 00:31
Off-topic: Oscar-winning "Christmas Carol"Frank Reed24 Dec 2019, 23:45
Re: If looking for a Bubble Sextant...Frank Reed24 Dec 2019, 23:03
Re: If looking for a Bubble Sextant...Joe Suligoy24 Dec 2019, 22:13
Re: Using the Anti Spoofing AppJohn D. Howard24 Dec 2019, 21:52
Re: If looking for a Bubble Sextant...Brad Morris24 Dec 2019, 21:34
Re: If looking for a Bubble Sextant...Frank Reed24 Dec 2019, 21:22
Re: If looking for a Bubble Sextant...Chris Caswell24 Dec 2019, 21:14
Estimating Hour Angle of AriesFrank Reed24 Dec 2019, 20:23
Re: If looking for a Bubble Sextant...Brad Morris24 Dec 2019, 19:05
Re: PrecessionRobin Stuart24 Dec 2019, 15:27
Re: Correcting for the movement of an observer: a plausible explanation?Tony Oz24 Dec 2019, 14:44
Re: Using the Anti Spoofing AppHuub Robroek24 Dec 2019, 12:41
Re: If looking for a Bubble Sextant...Chris Caswell24 Dec 2019, 12:11
Re: CN - quick reference cardBrian Killian24 Dec 2019, 06:54
Re: CN - quick reference cardBrian Killian24 Dec 2019, 03:37
Re: CN - quick reference cardKen Gebhart24 Dec 2019, 01:28
Re: World War Two Poster "Plot Your Future Course, Buy Victory Bonds"Brad Morris24 Dec 2019, 00:17
Re: World War Two Poster "Plot Your Future Course, Buy Victory Bonds"Frank Reed23 Dec 2019, 23:27
Re: World War Two Poster "Plot Your Future Course, Buy Victory Bonds"Thomas M Darlingtoh23 Dec 2019, 22:40
Re: Mystery Navy DeviceLuc Van den Borre23 Dec 2019, 22:03
Re: Mystery Navy DeviceWilliam Edward Henry23 Dec 2019, 21:56
Re: Online logbook collectionsLars Bergman23 Dec 2019, 21:35
Re: "no plotting sheet required" - an interesting find in an old bookMike Freeman23 Dec 2019, 18:53
Re: Correcting for the movement of an observer: a plausible explanation?Michael Cain23 Dec 2019, 18:28
Re: Correcting for the movement of an observer: a plausible explanation?Tony Oz23 Dec 2019, 15:53
Re: Correcting for the movement of an observer: a plausible explanation?David Pike23 Dec 2019, 15:20
Re: Homemade plotting sheetsPeter Hakel23 Dec 2019, 14:29
Mystery Navy DeviceGeoffrey Kolbe23 Dec 2019, 14:04
Re: Correcting for the movement of an observer: a plausible explanation?Ed Popko23 Dec 2019, 12:09
CN - quick reference cardIgor S.23 Dec 2019, 10:12
Re: PrecessionMike Freeman23 Dec 2019, 07:43
Re: Correcting for the movement of an observer: a plausible explanation?Greg Rudzinski23 Dec 2019, 04:12
Re: Correcting for the movement of an observer: a plausible explanation?Frank Reed23 Dec 2019, 03:11
Correcting for the movement of an observer: a plausible explanation?Tony Oz22 Dec 2019, 22:35
Re: Homemade plotting sheetsDavid Pike22 Dec 2019, 21:37
Re: "no plotting sheet required" - an interesting find in an old bookPaul Hirose22 Dec 2019, 20:55
Re: Homemade plotting sheetsJohn D. Howard22 Dec 2019, 20:11
Re: The LighthouseFrancis Upchurch22 Dec 2019, 20:03
Re: Solstice tonightBrad Morris22 Dec 2019, 19:56
Re: Homemade plotting sheetsBrad Morris22 Dec 2019, 19:54
Re: PrecessionBrad Morris22 Dec 2019, 19:07
Re: The LighthouseRommel John Miller22 Dec 2019, 18:48
Re: PrecessionRobin Stuart22 Dec 2019, 18:09
Re: Solstice tonightRommel John Miller22 Dec 2019, 16:25
Re: PrecessionTom Sult22 Dec 2019, 15:25
The LighthouseRobin Stuart22 Dec 2019, 13:54
Re: Homemade plotting sheetsMike Freeman22 Dec 2019, 11:22
Re: PrecessionMike Freeman22 Dec 2019, 08:51
Re: PrecessionMike Freeman22 Dec 2019, 08:26
Re: "no plotting sheet required" - an interesting find in an old bookMike Freeman22 Dec 2019, 08:10
Re: CN Online Data CalculatorJoe Suligoy22 Dec 2019, 05:24
If looking for a Bubble Sextant...Joe Suligoy22 Dec 2019, 05:11
Plotting sheets vs paperlessJoe Suligoy22 Dec 2019, 04:54
Re: Solstice tonightDavid C22 Dec 2019, 03:35
Re: Found sextant at local curiosity shop...Frank Reed22 Dec 2019, 01:59
Solstice tonightFrank Reed22 Dec 2019, 01:52
World War Two Poster "Plot Your Future Course, Buy Victory Bonds"Jackson McDonald21 Dec 2019, 22:27
Re: PrecessionDavid Fleming21 Dec 2019, 21:48
Re: Homemade plotting sheetsDavid Pike21 Dec 2019, 21:07
Re: "no plotting sheet required" - an interesting find in an old bookTony Oz21 Dec 2019, 20:08
Re: Online logbook collectionsLars Bergman21 Dec 2019, 19:39
Re: Homemade plotting sheetsFrank Reed21 Dec 2019, 18:58
Re: Homemade plotting sheetsJohn D. Howard21 Dec 2019, 18:19
Re: Homemade plotting sheetsDavid Pike21 Dec 2019, 17:50
Re: "no plotting sheet required" - an interesting find in an old bookMike Freeman21 Dec 2019, 17:46
Re: Homemade plotting sheetsDavid Pike21 Dec 2019, 17:41
Re: PrecessionFrank Reed21 Dec 2019, 17:33
Re: Homemade plotting sheetsMike Freeman21 Dec 2019, 17:06
PrecessionMike Freeman21 Dec 2019, 16:43
CN Online Data CalculatorBruce J. Pennino21 Dec 2019, 15:00
Re: Online logbook collectionsAntoine Couëtte21 Dec 2019, 12:43
Re: Homemade plotting sheetsMike Freeman21 Dec 2019, 06:46
Re: 2020 Nautical Almanac Altitude corrections for moon.Alan S21 Dec 2019, 04:11
Re: Visiting local museum and CN-itemsIgor S.21 Dec 2019, 01:07
Re: Homemade plotting sheetsJohn D. Howard21 Dec 2019, 00:56
Re: Homemade plotting sheetsJohn D. Howard20 Dec 2019, 22:16
Re: 2020 Nautical Almanac Altitude corrections for moon.Robert VanderPol II20 Dec 2019, 21:51
Re: Homemade plotting sheetsDavid Pike20 Dec 2019, 21:41
GPS Anti Spoof: time to update...Frank Reed20 Dec 2019, 21:01
Re: Time ballsRobin Stuart20 Dec 2019, 20:51
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 20:40
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 20:11
Re: 2020 Nautical Almanac Altitude corrections for moon.Paul Hirose20 Dec 2019, 19:01
Re: 2020 Nautical Almanac Altitude corrections for moon.Gary LaPook20 Dec 2019, 18:20
Online logbook collectionsFrank Reed20 Dec 2019, 17:57
Re: Homemade plotting sheetsMike Freeman20 Dec 2019, 17:27
Re: Homemade plotting sheetsMichael Bradley20 Dec 2019, 08:52
Re: Do you Beidou?David C20 Dec 2019, 08:02
2020 Nautical Almanac Altitude corrections for moon.Robert VanderPol II20 Dec 2019, 05:30
Re: Do you Beidou?David C20 Dec 2019, 04:04
Re: Do you Beidou?David C20 Dec 2019, 03:34
Re: Do you Beidou?Frank Reed20 Dec 2019, 03:12
Re: Do you Beidou?David C20 Dec 2019, 03:08
Re: Air Almanac 2020 full pdf now available...Tracy Shrier20 Dec 2019, 01:38
Re: Homemade plotting sheetsEd Popko20 Dec 2019, 00:54
Re: Homemade plotting sheetsDavid Pike19 Dec 2019, 23:52
Re: Time ballsBill B19 Dec 2019, 22:08
Re: Homemade plotting sheetsDavid Iwancio19 Dec 2019, 21:57
Re: Homemade plotting sheetsJohn D. Howard19 Dec 2019, 21:46
Re: Visiting local museum and CN-itemsDavid Pike19 Dec 2019, 21:16
Re: Homemade plotting sheetsDavid Pike19 Dec 2019, 21:04
Re: Homemade plotting sheetsTony Oz19 Dec 2019, 20:44
Re: Do you Beidou?Ed Popko19 Dec 2019, 20:27
Re: Do you Beidou?Frank Reed19 Dec 2019, 18:46
Homemade plotting sheetsMike Freeman19 Dec 2019, 18:12
Re: Visiting local museum and CN-itemsDavid Pike19 Dec 2019, 17:15
Re: Do you Beidou?Dave Walden19 Dec 2019, 16:19
Re: Visiting local museum and CN-itemsIgor S.19 Dec 2019, 08:53
Re: Do you Beidou?Sean C19 Dec 2019, 08:35
Re: Do you Beidou?Brad Morris19 Dec 2019, 03:24
Re: Do you Beidou?Robert Wyatt19 Dec 2019, 01:48
Re: Time ballsFrank Reed19 Dec 2019, 00:29
Do you Beidou?Frank Reed18 Dec 2019, 23:25
Re: Found sextant at local curiosity shop...Paul Saffo18 Dec 2019, 21:47
Re: Visiting local museum and CN-itemsDavid Pike18 Dec 2019, 20:35
Re: Found sextant at local curiosity shop...Thomas Klausen18 Dec 2019, 20:27
KM Plath rack brushMichael Cain18 Dec 2019, 19:15
Re: Visiting local museum and CN-itemsDavid Pike18 Dec 2019, 17:54
Time ballsRobin Stuart18 Dec 2019, 14:56
Re: Ramsden Sextant on eBayDavid Pike18 Dec 2019, 11:49
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCDavid Pike18 Dec 2019, 11:07
Re: Visiting local museum and CN-itemsAlexandre Eremenko18 Dec 2019, 09:12
Re: Visiting local museum and CN-itemsAlexandre Eremenko18 Dec 2019, 09:09
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCFrank Reed18 Dec 2019, 04:14
Re: Found sextant at local curiosity shop...Tom Sult18 Dec 2019, 03:56
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Dec 2019, 03:54
Re: Found sextant at local curiosity shop...Frank Reed18 Dec 2019, 03:21
Found sextant at local curiosity shop...Thomas Klausen18 Dec 2019, 03:13
Visiting local museum and CN-itemsIgor S.17 Dec 2019, 22:50
Re: Ramsden Sextant on eBayDon Seltzer17 Dec 2019, 21:40
Re: CelesticompAlan S17 Dec 2019, 21:17
Re: Ramsden Sextant on eBayFrank Reed17 Dec 2019, 20:46
Ramsden Sextant on eBayDavid Pike17 Dec 2019, 20:24
Re: Time of full moonRobert Wyatt17 Dec 2019, 15:25
Re: B52 Bomber Automatic Astro Compass TeardownDavid Pike17 Dec 2019, 14:10
Re: B52 Bomber Automatic Astro Compass TeardownDavid Pike17 Dec 2019, 12:45
B52 Bomber Automatic Astro Compass TeardownDave Walden17 Dec 2019, 03:28
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCDavid Pike16 Dec 2019, 20:40
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe16 Dec 2019, 19:08
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook16 Dec 2019, 18:16
Change afoot for the footJim Hickey16 Dec 2019, 14:39
Re: CelesticompJeremy C16 Dec 2019, 13:44
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Ed Popko16 Dec 2019, 11:40
Re: Sun sights in foggy weatherIgor S.16 Dec 2019, 08:26
Re: Air Almanac 2020 full pdf now available...Michael Cain16 Dec 2019, 04:50
Re: Air Almanac 2020 full pdf now available...John D. Howard16 Dec 2019, 01:35
AIS and GPS spoofed in a new and concerning way near ShanghaiLu Abel16 Dec 2019, 00:59
Air Almanac 2020 full pdf now available...Frank Reed15 Dec 2019, 23:33
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCFrank Reed15 Dec 2019, 23:23
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCDavid Pike15 Dec 2019, 22:56
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCOmar Reis15 Dec 2019, 22:00
Re: Air Almanac 2020 still missing...Frank Reed15 Dec 2019, 19:34
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook15 Dec 2019, 19:32
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston15 Dec 2019, 17:48
Hygrometer mechanism...Dale Lichtblau15 Dec 2019, 04:42
Re: Time of full moonBill Ritchie14 Dec 2019, 22:39
Re: Google Maps restores Mercator ProjectionDavid Pike14 Dec 2019, 22:36
Google GlobeDavid Pike14 Dec 2019, 22:02
Re: Google Maps restores Mercator ProjectionFrank Reed14 Dec 2019, 18:17
Re: Time of full moonFrank Reed14 Dec 2019, 18:10
Re: Time of full moonAntoine Couëtte14 Dec 2019, 13:36
Re: Google Maps restores Mercator ProjectionDavid C14 Dec 2019, 07:36
Re: Google Maps restores Mercator ProjectionDavid C14 Dec 2019, 07:28
Re: Google Maps restores Mercator ProjectionDavid C14 Dec 2019, 07:06
Re: Time of full moonPaul Hirose14 Dec 2019, 06:10
Re: Google Maps restores Mercator ProjectionSean C14 Dec 2019, 05:49
Re: CelesticompChris Guidry14 Dec 2019, 01:52
Re: Google Maps restores Mercator ProjectionDavid Pike14 Dec 2019, 00:21
Re: Google Maps restores Mercator ProjectionDavid Pike14 Dec 2019, 00:04
Google Maps restores Mercator ProjectionFrank Reed13 Dec 2019, 23:18
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCFrank Reed13 Dec 2019, 21:02
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCDavid Pike13 Dec 2019, 20:31
Air Almanac 2020 still missing...Frank Reed13 Dec 2019, 19:33
Re: Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCHerman Dekker12 Dec 2019, 21:50
Re: Time of full moonLu Abel12 Dec 2019, 21:46
Re: Time of full moonFrank Reed12 Dec 2019, 20:38
Time of full moonFred Hebard12 Dec 2019, 19:07
Re: Sun sights in foggy weatherFrank Reed12 Dec 2019, 17:50
Re: Waves and DipMike Freeman12 Dec 2019, 17:28
Transferring 'Navigator' from a Windows 7 Laptop to a Windows 10 PCDavid Pike12 Dec 2019, 15:10
Re: Mars near ZubenelgenubiDavid Pike12 Dec 2019, 15:00
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris12 Dec 2019, 01:39
Re: Star to Star Distances taken on a Second Hand SextantPeter Monta11 Dec 2019, 22:56
Re: Waves and DipMichael Cain11 Dec 2019, 21:14
Re: Star to Star Distances taken on a Second Hand SextantFred Hebard11 Dec 2019, 19:52
Re: Waves and DipFrank Reed11 Dec 2019, 19:39
Mars near ZubenelgenubiFrank Reed11 Dec 2019, 19:02
Celnav apps for AndroidAndrés Ruiz11 Dec 2019, 12:52
Re: Waves and DipMike Freeman11 Dec 2019, 08:12
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris11 Dec 2019, 01:21
Re: Watching a star for IE: an obturator trick?Ed Popko11 Dec 2019, 00:23
Re: PolarisDavid Pike10 Dec 2019, 22:54
Re: Star to Star Distances taken on a Second Hand SextantFred Hebard10 Dec 2019, 22:51
Re: PolarisFrank Reed10 Dec 2019, 21:23
Re: Watching a star for IE: an obturator trick?Brad Morris10 Dec 2019, 21:21
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris10 Dec 2019, 21:17
Re: Star to Star Distances taken on a Second Hand SextantDavid Pike10 Dec 2019, 21:11
Re: Watching a star for IE: an obturator trick?Frank Reed10 Dec 2019, 19:48
Re: Watching a star for IE: an obturator trick?Tony Oz10 Dec 2019, 17:10
Re: Star to Star Distances taken on a Second Hand SextantFred Hebard10 Dec 2019, 16:43
Re: PolarisDavid Pike10 Dec 2019, 10:47
Re: Watching a star for IE: an obturator trick?Brad Morris10 Dec 2019, 02:03
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris10 Dec 2019, 01:40
Re: PolarisDavid Pike10 Dec 2019, 01:01
PolarisMike Freeman9 Dec 2019, 08:04
Re: Star to Star Distances taken on a Second Hand SextantFred Hebard9 Dec 2019, 03:15
Re: H. Hughes and son sextant pat 491Bill Morris9 Dec 2019, 02:35
Re: Waves and DipIgor S.9 Dec 2019, 00:54
Re: Star to Star Distances taken on a Second Hand SextantMichael Bradley8 Dec 2019, 22:00
Watching a star for IE: an obturator trick?Tony Oz8 Dec 2019, 17:53
Re: Star to Star Distances taken on a Second Hand SextantDavid Pike8 Dec 2019, 14:35
Re: Star to Star Distances taken on a Second Hand SextantAlexandre Eremenko8 Dec 2019, 13:51
Re: Waves and DipAlexandre Eremenko8 Dec 2019, 13:43
Re: Star to Star Distances taken on a Second Hand SextantPeter Monta8 Dec 2019, 07:58
Waves and DipMike Freeman8 Dec 2019, 06:12
Re: Shackleton expedition photosBrad Morris8 Dec 2019, 04:08
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris8 Dec 2019, 03:52
Re: Star to Star Distances taken on a Second Hand SextantDavid Pike7 Dec 2019, 21:32
Re: Star to Star Distances taken on a Second Hand SextantFred Hebard7 Dec 2019, 13:53
Shackleton expedition photosJackson McDonald7 Dec 2019, 12:06
Re: Star to Star Distances taken on a Second Hand SextantDavid Pike7 Dec 2019, 09:02
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris7 Dec 2019, 01:28
Re: Star to Star Distances taken on a Second Hand SextantPaul Hirose7 Dec 2019, 00:44
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris6 Dec 2019, 22:11
Re: Star to Star Distances taken on a Second Hand SextantDavid Pike6 Dec 2019, 20:18
Re: Leibniz's "Hanging Chain" - CatenaryDavid C6 Dec 2019, 05:02
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris6 Dec 2019, 04:59
Re: Leibniz's "Hanging Chain" - CatenaryDale Lichtblau5 Dec 2019, 18:41
Re: Star to Star Distances taken on a Second Hand SextantMichael Bradley5 Dec 2019, 16:48
Re: Equation of Time/MeridianSean C5 Dec 2019, 16:30
Re: Latitude by noon Sun sightMike Freeman5 Dec 2019, 06:48
Re: Star to Star Distances taken on a Second Hand SextantBrad Morris5 Dec 2019, 01:12
Re: Star to Star Distances taken on a Second Hand SextantHewitt Schlereth5 Dec 2019, 00:10
Re: Star to Star Distances taken on a Second Hand SextantMichael Bradley4 Dec 2019, 23:53
Re: Star to Star Distances taken on a Second Hand SextantMichael Bradley4 Dec 2019, 22:26
Re: Star to Star Distances taken on a Second Hand SextantAlexandre Eremenko4 Dec 2019, 21:13
Star to Star Distances taken on a Second Hand SextantMichael Bradley4 Dec 2019, 20:28
Re: Latitude by noon Sun sightAlexandre Eremenko4 Dec 2019, 19:48
Lunars, Mystic Seaport, this weekend (Dec. 7-8)Frank Reed4 Dec 2019, 18:59
Re: H. Hughes and son sextant pat 491Frank Reed4 Dec 2019, 18:49
Re: Latitude by noon Sun sightJohn D. Howard4 Dec 2019, 17:49
Re: H. Hughes and son sextant pat 491Brad Morris4 Dec 2019, 17:48
Re: Latitude by noon Sun sightFrank Reed4 Dec 2019, 17:34
Re: Equation of Time/MeridianFrank Reed4 Dec 2019, 17:19
Re: H. Hughes and son sextant pat 491Brad Morris4 Dec 2019, 16:08
Re: H. Hughes and son sextant pat 491David Pike4 Dec 2019, 09:24
Re: Latitude by noon Sun sightMike Freeman4 Dec 2019, 07:58
Re: Latitude by noon Sun sightMike Freeman4 Dec 2019, 07:39
Re: Latitude by noon Sun sightMike Freeman4 Dec 2019, 07:25
Re: Equation of Time/MeridianSean C4 Dec 2019, 06:06
Re: Latitude by noon Sun sightGary LaPook3 Dec 2019, 19:13
Re: Latitude by noon Sun sightGary LaPook3 Dec 2019, 19:05
Re: Latitude by noon Sun sightAlexandre Eremenko3 Dec 2019, 18:37
Re: Latitude by noon Sun sightFrank Reed3 Dec 2019, 17:38
Re: H. Hughes and son sextant pat 491Frank Reed3 Dec 2019, 17:30
Latitude by noon Sun sightMike Freeman3 Dec 2019, 17:13
Re: H. Hughes and son sextant pat 491David Pike3 Dec 2019, 09:08
Re: Equation of Time/MeridianJohn D. Howard3 Dec 2019, 01:53
Re: H. Hughes and son sextant pat 491Brad Morris2 Dec 2019, 23:15
Re: Equation of Time/MeridianDavid Iwancio2 Dec 2019, 20:16
Re: H. Hughes and son sextant pat 491David Pike2 Dec 2019, 12:53
Sun sights in foggy weatherIgor S.2 Dec 2019, 12:47
Re: Equation of Time/MeridianMike Freeman2 Dec 2019, 08:20
Re: S-ectorBrad Morris1 Dec 2019, 22:34
Re: S-ectorBrad Morris1 Dec 2019, 22:14
Re: S-ectorFred Hebard1 Dec 2019, 21:34
Re: S-ectorFrank Reed1 Dec 2019, 20:28
Re: LhaFrank Reed1 Dec 2019, 20:16
Re: S-ectorAlexandre Eremenko1 Dec 2019, 20:12
LHAAonghus O Concheanainn1 Dec 2019, 19:23
Re: Celestial Navigation Data from USNO--alternativeFrank Reed1 Dec 2019, 18:51
Re: S-ectorBrad Morris1 Dec 2019, 17:59
S-ectorBrad Morris1 Dec 2019, 17:17
Re: Equation of Time/MeridianJohn D. Howard1 Dec 2019, 16:56
Horizontal Angles while KayakingGreg Rudzinski1 Dec 2019, 16:16
Re: Celestial Navigation Data from USNO--alternativeJim Rives1 Dec 2019, 15:31
H. Hughes and son sextant pat 491Sam Loveday1 Dec 2019, 07:29
Equation of Time/MeridianMike Freeman1 Dec 2019, 06:33
The Spirule for navigationDavid C1 Dec 2019, 00:21
Re: Celestial Navigation Data from USNO--alternativeBill Ritchie30 Nov 2019, 23:23
Re: Celestial Navigation Data from USNO--alternativeFrank Reed30 Nov 2019, 20:11
Re: Celestial Navigation Data from USNO--alternativeFrank Reed30 Nov 2019, 18:51
Re: Celestial Navigation Data from USNO--alternativeBill Ritchie30 Nov 2019, 17:26
Re: Celestial Navigation Data from USNO--alternativeDave Walden30 Nov 2019, 14:49
Re: Celestial Navigation Data from USNO--alternativePaul Hirose29 Nov 2019, 22:59
Re: DSLR Camera Venus LunarEd Popko29 Nov 2019, 18:41
DSLR Camera Venus LunarGreg Rudzinski29 Nov 2019, 16:26
Re: Leibniz's "Hanging Chain" - CatenaryDavid Iwancio29 Nov 2019, 11:57
Re: USNO website outagesSean C29 Nov 2019, 07:44
Re: Starmaster slide rule on ebayGary LaPook29 Nov 2019, 04:11
Re: Starmaster slide rule on ebayPeter Monta28 Nov 2019, 23:10
Re: Starmaster slide rule on ebayJürgen Hoefeld28 Nov 2019, 21:43
Re: Starmaster slide rule on ebayFrank Reed28 Nov 2019, 18:12
Re: Starmaster slide rule on ebayAlan S28 Nov 2019, 17:28
Re: Starmaster slide rule on ebayDave Walden28 Nov 2019, 14:56
Re: Celestial Navigation Data from USNO--alternativeBruce J. Pennino28 Nov 2019, 14:55
Re: Celestial Navigation Data from USNO--alternativeBill Ritchie28 Nov 2019, 11:01
Re: Starmaster slide rule on ebayBrad Morris28 Nov 2019, 05:42
Re: Starmaster slide rule on ebayFrank Reed28 Nov 2019, 04:42
Re: Starmaster slide rule on ebayRobin Stuart28 Nov 2019, 04:25
Re: Starmaster slide rule on ebayBrad Morris28 Nov 2019, 03:37
Re: Starmaster slide rule on ebayRobert VanderPol II28 Nov 2019, 02:33
Re: Medieval Navigation ProblemJim Rives28 Nov 2019, 02:23
Re: Celestial Navigation Data from USNO--alternativeAntoine Couëtte27 Nov 2019, 18:20
Re: Medieval Navigation ProblemDavid Pike27 Nov 2019, 16:34
Re: Medieval Navigation ProblemPeter Hakel27 Nov 2019, 15:15
Re: Medieval Navigation ProblemSean C27 Nov 2019, 11:16
Re: Medieval Navigation ProblemDavid Pike27 Nov 2019, 10:17
Re: Medieval Navigation ProblemTony Oz27 Nov 2019, 10:11
Re: Medieval Navigation ProblemFrank Reed27 Nov 2019, 00:31
Re: Leibniz's "Hanging Chain" - CatenaryFrank Reed26 Nov 2019, 23:24
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 23:12
Re: Medieval Navigation ProblemBrad Morris26 Nov 2019, 22:36
Leibniz's "Hanging Chain" - CatenaryDale Lichtblau26 Nov 2019, 22:19
Re: Medieval Navigation ProblemDavid Pike26 Nov 2019, 21:39
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 21:32
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 20:27
Re: Medieval Navigation ProblemBrad Morris26 Nov 2019, 20:16
Re: Medieval Navigation ProblemDavid Pike26 Nov 2019, 19:38
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 18:56
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 18:42
Re: Medieval Navigation ProblemDavid Pike26 Nov 2019, 18:40
Re: Medieval Navigation ProblemDavid Pike26 Nov 2019, 17:37
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 16:57
Re: Medieval Navigation ProblemBrad Morris26 Nov 2019, 15:52
Re: Medieval Navigation ProblemFrank Reed26 Nov 2019, 15:52
Medieval Navigation ProblemDavid Pike26 Nov 2019, 10:21
Starmaster slide rule on ebayDave Walden26 Nov 2019, 03:13
Re: Celestial Navigation Data from USNO--alternativeAndrés Ruiz25 Nov 2019, 13:28
Re: Celestial Navigation Data from USNO--alternativeBill Ritchie25 Nov 2019, 10:46
Shanghai location games while we contemplate the death of paper chartsMark Coady24 Nov 2019, 21:33
Re: LAN curve parabola?Ron Jones24 Nov 2019, 21:26
Re: Sextant sights over frozen lakeFrank Reed24 Nov 2019, 19:06
Re: Sextant sights over frozen lakeFrank Reed24 Nov 2019, 18:50
Re: LAN curve parabola?Jim Rives24 Nov 2019, 15:33
Re: Sextant sights over frozen lakeJim Rives24 Nov 2019, 15:32
Re: LAN curve parabola?Jim Rives24 Nov 2019, 15:28
Re: LAN curve parabola?Jim Rives24 Nov 2019, 15:23
Celestial Navigation Data from USNO--alternativeDave Walden24 Nov 2019, 15:10
Re: What's this please?Bob Crawley24 Nov 2019, 09:44
Re: Sextant sights over frozen lakeÖrjan Sandström24 Nov 2019, 09:16
Re: LAN curve parabola?David Fleming24 Nov 2019, 00:44
Re: Sextant sights over frozen lakeGreg Rudzinski23 Nov 2019, 23:36
Re: Sextant sights over frozen lakeTony Oz23 Nov 2019, 22:19
Re: Sextant sights over frozen lakeFrank Reed23 Nov 2019, 20:55
Sextant sights over frozen lakeBob Goethe23 Nov 2019, 20:11
Re: LAN curve parabola?Fred Hebard23 Nov 2019, 18:58
Re: LAN curve parabola?Ron Jones23 Nov 2019, 18:37
Re: What's this please?Luc Van den Borre23 Nov 2019, 17:28
Re: LAN curve parabola?Jim Rives23 Nov 2019, 15:40
Re: LAN curve parabola?Jim Rives23 Nov 2019, 15:36
Re: LAN curve parabola?David Iwancio23 Nov 2019, 09:59
What's this please?Bob Crawley23 Nov 2019, 09:58
Re: LAN curve parabola?David Fleming22 Nov 2019, 23:45
Re: LAN curve parabola?Frank Reed22 Nov 2019, 23:03
LAN curve parabola?Jim Rives22 Nov 2019, 22:10
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bill Ritchie22 Nov 2019, 15:35
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Tony Oz22 Nov 2019, 09:00
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston21 Nov 2019, 21:37
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Dave Walden21 Nov 2019, 13:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker21 Nov 2019, 09:15
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S21 Nov 2019, 04:10
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S21 Nov 2019, 04:07
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Brad Morris21 Nov 2019, 02:12
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Ed Hlywa21 Nov 2019, 01:17
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed21 Nov 2019, 00:28
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed21 Nov 2019, 00:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 23:13
'Pinky' Grocott: 8 February 1923 - 27 October 2019David Pike20 Nov 2019, 17:47
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.David Pike20 Nov 2019, 17:29
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe20 Nov 2019, 16:15
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed20 Nov 2019, 16:11
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 15:59
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Tony Oz20 Nov 2019, 15:46
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bill Ritchie20 Nov 2019, 10:49
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 03:44
Meteor Storm in two daysFrank Reed20 Nov 2019, 00:40
Re: Yet another another sextantDavid Pike19 Nov 2019, 20:34
AIS in Shanghai harborBob Goethe19 Nov 2019, 19:42
Re: Yet another another sextantEd Popko19 Nov 2019, 15:06
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker19 Nov 2019, 03:39
Yet another another sextantMichael Bradley18 Nov 2019, 21:09
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Nov 2019, 20:56
NOAA Seeks Comment on Ending ALL 'Traditional' Paper ChartsJackson McDonald18 Nov 2019, 20:37
Re: Interesting Astra III with extrasGreg Rudzinski18 Nov 2019, 18:40
Interesting Astra III with extrasMark Coady18 Nov 2019, 12:48
Re: Yet another sextantGeoffrey Kolbe18 Nov 2019, 06:56
Re: Yet another sextantDavid Pike17 Nov 2019, 20:21
Re: Yet another sextantGeoffrey Kolbe17 Nov 2019, 08:13
Re: Yet another sextantBrad Morris17 Nov 2019, 04:35
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker16 Nov 2019, 12:08
Yet another sextantMichael Bradley16 Nov 2019, 10:02
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S16 Nov 2019, 00:33
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Hewitt Schlereth15 Nov 2019, 21:03
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston15 Nov 2019, 19:48
Re: Nautical Almanac font sizeFrank Reed15 Nov 2019, 15:15
Re: Nautical Almanac font sizePaul Hirose15 Nov 2019, 06:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe14 Nov 2019, 23:00
Re: Nautical Almanac font sizeDavid Iwancio14 Nov 2019, 21:29
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan Walker14 Nov 2019, 14:40
Re: Celestaire logoIgor S.14 Nov 2019, 12:57
Re: Celestaire logoSean C14 Nov 2019, 05:35
Re: Letcher, "Time by Lunar Lines of Position"David Iwancio13 Nov 2019, 23:28
Re: Letcher, "Time by Lunar Lines of Position"Andrés Ruiz13 Nov 2019, 18:06
Re: Lost at sea, but not for long...David Pike13 Nov 2019, 17:28
Celestaire logoPaul Hirose13 Nov 2019, 00:29
Re: Nautical Almanac font sizePaul Hirose13 Nov 2019, 00:11
Letcher, "Time by Lunar Lines of Position"Bob Goethe12 Nov 2019, 23:38
Re: Nautical Almanac font sizeFrank Reed12 Nov 2019, 18:42
Nautical Almanac font sizePaul Hirose12 Nov 2019, 18:34
Re: Altitude-less Azimuth formula?Tony Oz12 Nov 2019, 09:29
Sextants on current UK warship - a rambling storyMichael Bradley12 Nov 2019, 00:11
Re: Lost at sea, but not for long...Michael Bradley11 Nov 2019, 22:55
Re: Altitude-less Azimuth formula?Frank Reed11 Nov 2019, 16:49
Re: Observe the Transit of MercuryDavid Pike11 Nov 2019, 16:43
Transit of MercuryJim Hickey11 Nov 2019, 15:02
Re: Altitude-less Azimuth formula?Tony Oz11 Nov 2019, 09:01
Astron Version 2.2Bill Ritchie11 Nov 2019, 08:09
Re: Calculated Altitude/True AltitudeMike Freeman11 Nov 2019, 06:41
Re: What is this device?Bill Wood11 Nov 2019, 01:23
Re: Observe the Transit of MercuryDavid Pike10 Nov 2019, 23:47
Re: Calculated Altitude/True AltitudeSean C10 Nov 2019, 23:11
Re: Altitude-less Azimuth formula?John D. Howard10 Nov 2019, 23:03
Re: Altitude-less Azimuth formula?Tony Oz10 Nov 2019, 22:09
Re: Observe the Transit of MercuryBrad Morris10 Nov 2019, 21:19
Re: Is this analemma genuine?Frank Reed10 Nov 2019, 20:52
Altitude-less Azimuth formula?Tony Oz10 Nov 2019, 20:46
Re: Is this analemma genuine?David Pike10 Nov 2019, 19:36
Re: Calculated Altitude/True AltitudeDavid Pike10 Nov 2019, 19:18
Calculated Altitude/True AltitudeMike Freeman10 Nov 2019, 18:21
Re: Observe the Transit of MercuryDavid Pike10 Nov 2019, 18:01
Re: Observe the Transit of MercuryFrank Reed10 Nov 2019, 17:31
Re: Observe the Transit of MercuryBrad Morris10 Nov 2019, 17:24
Re: Is this analemma genuine?Frank Reed10 Nov 2019, 17:14
Observe the Transit of MercuryDavid Pike10 Nov 2019, 13:47
Is this analemma genuine?David Pike10 Nov 2019, 10:29
Re: Lunar DistanceGeoffrey Kolbe10 Nov 2019, 10:18
Re: Sextant on a current US Navy vessel.David Pike9 Nov 2019, 17:48
Re: Lunar DistanceAlexandre Eremenko9 Nov 2019, 17:47
Re: Lunar DistanceAlexandre Eremenko9 Nov 2019, 17:20
Re: Lunar DistanceFrank Reed9 Nov 2019, 16:36
Re: What is this device?Brad Morris9 Nov 2019, 16:32
Re: Sextant on a current US Navy vessel.Alexandre Eremenko9 Nov 2019, 16:31
Re: Sextant on a current US Navy vessel.Brad Morris9 Nov 2019, 16:31
Re: Custom Cartography for KayakingFrank Reed9 Nov 2019, 16:28
Custom Cartography for KayakingGreg Rudzinski9 Nov 2019, 13:50
Lunar DistanceSteve Gillion9 Nov 2019, 07:55
Sextant on a current US Navy vessel.Robert VanderPol II9 Nov 2019, 01:57
Re: The DR TrainerBob Crawley6 Nov 2019, 09:31
Re: Lost at sea, but not for long...Brad Morris6 Nov 2019, 01:14
Re: Modern Celestial at Mystic SeaportRommel John Miller6 Nov 2019, 00:50
Re: Is the NavList website safe?Alan S6 Nov 2019, 00:44
Re: Sunderlands and marine sextantsDavid C6 Nov 2019, 00:39
Re: Lost at sea, but not for long...Michael Bradley5 Nov 2019, 23:31
Re: Sunderlands and marine sextantsDavid Pike5 Nov 2019, 22:53
Re: Sunderlands and marine sextantsFrank Reed5 Nov 2019, 19:46
Re: Is the NavList website safe?Herman Dekker5 Nov 2019, 19:46
Sunderlands and marine sextantsDavid C5 Nov 2019, 19:35
Re: Lost at sea, but not for long...Brad Morris5 Nov 2019, 17:01
Lost at sea, but not for long...Frank Reed5 Nov 2019, 16:19
Re: Is the NavList website safe?Frank Reed5 Nov 2019, 16:09
Is the NavList website safe?Herman Dekker5 Nov 2019, 08:15
The DR TrainerDavid Pike5 Nov 2019, 07:45
Re: What is this device?Bill Morris5 Nov 2019, 02:12
Re: What is this device?Marty Lyons4 Nov 2019, 19:53
Re: Your most interesting find on eBayDoug MacPherson4 Nov 2019, 15:27
Re: What is this device?Dave Walden4 Nov 2019, 12:24
Re: Your most interesting find on eBayBob Crawley4 Nov 2019, 09:10
Re: What is this device?Bill Wood4 Nov 2019, 04:01
Re: Eyeglasses and SextantsEd Popko3 Nov 2019, 23:09
Re: Your most interesting find on eBayBrad Morris3 Nov 2019, 22:10
Re: Eyeglasses and SextantsPaul Werner3 Nov 2019, 18:31
Your most interesting find on eBayDavid Pike3 Nov 2019, 15:48
What is this device?Bill Wood3 Nov 2019, 02:59
Re: CN & global ocean currentsIgor S.3 Nov 2019, 01:17
Re: Two Body running fixDavid Pike31 Oct 2019, 19:57
Re: CN & global ocean currentsEd Popko31 Oct 2019, 17:35
Re: CN & global ocean currentsFrank Reed31 Oct 2019, 16:28
Navigation on Shackleton's Imperial Trans-Antarctic Expedition of 1914Robin Stuart31 Oct 2019, 15:52
Re: CN & global ocean currentsHewitt Schlereth30 Oct 2019, 23:00
Re: CN & global ocean currentsLu Abel30 Oct 2019, 16:24
Re: Expedition AmeliaJohn D. Howard30 Oct 2019, 04:14
Re: Expedition AmeliaBrad Morris30 Oct 2019, 01:14
Re: CN & global ocean currentsBrad Morris30 Oct 2019, 01:13
CN & global ocean currentsIgor S.30 Oct 2019, 00:27
Re: Expedition AmeliaHewitt Schlereth29 Oct 2019, 22:06
Re: Median versus Mean AveragingGary LaPook29 Oct 2019, 19:15
Re: Two Body running fixAndrés Ruiz29 Oct 2019, 18:49
Re: Two Body running fixFrank Reed29 Oct 2019, 17:32
Re: Two Body running fixAndrés Ruiz29 Oct 2019, 15:36
Two Body running fixMartin Kühnl28 Oct 2019, 22:57
Re: Median versus Mean AveragingDavid Pike28 Oct 2019, 21:42
Re: Expedition AmeliaJohn D. Howard28 Oct 2019, 20:36
Re: Median versus Mean AveragingDavid Pike28 Oct 2019, 20:34
Re: Median versus Mean AveragingFred Hebard28 Oct 2019, 16:20
Re: Carly Butler's Art Show - VancouverAndrés Ruiz28 Oct 2019, 13:06
Re: Median versus Mean AveragingFred Hebard28 Oct 2019, 12:59
Re: Median versus Mean AveragingBill Lionheart28 Oct 2019, 09:00
Re: Expedition AmeliaDavid C28 Oct 2019, 07:57
Re: Expedition AmeliaDavid C28 Oct 2019, 07:36
Re: Expedition AmeliaJohn D. Howard28 Oct 2019, 03:10
Re: Median versus Mean AveragingBill Morris28 Oct 2019, 01:19
Re: Expedition AmeliaHewitt Schlereth27 Oct 2019, 23:38
Re: NASA photoFrank Reed27 Oct 2019, 21:52
Re: NASA photoDave Walden27 Oct 2019, 18:32
Re: NASA photoFrank Reed27 Oct 2019, 18:32
Re: NASA photoFrank Reed27 Oct 2019, 16:22
Median versus Mean AveragingDavid Pike27 Oct 2019, 15:10
NASA photoDave Walden27 Oct 2019, 14:36
Re: Expedition AmeliaGary LaPook27 Oct 2019, 13:02
Re: Expedition AmeliaGary LaPook27 Oct 2019, 12:58
Re: Expedition AmeliaHewitt Schlereth26 Oct 2019, 21:00
Carly Butler's Art Show - VancouverBob Goethe26 Oct 2019, 18:22
Re: Expedition AmeliaDavid Pike26 Oct 2019, 10:36
Re: Expedition AmeliaHewitt Schlereth25 Oct 2019, 23:20
Re: Eyeglasses and SextantsEd Popko24 Oct 2019, 15:51
Re: Eyeglasses and SextantsRobin Stuart24 Oct 2019, 13:38
Re: Expedition AmeliaRobin Stuart24 Oct 2019, 13:23
Re: Expedition AmeliaJohn D. Howard24 Oct 2019, 03:10
Re: A-8A Aircraft SextantErwin Wechsler23 Oct 2019, 23:15
Re: Expedition AmeliaHewitt Schlereth23 Oct 2019, 22:58
Re: Expedition AmeliaDustin Baenen23 Oct 2019, 22:34
Re: Expedition AmeliaRobin Stuart23 Oct 2019, 20:10
Re: Expedition AmeliaHewitt Schlereth23 Oct 2019, 19:12
Re: Expedition AmeliaHewitt Schlereth22 Oct 2019, 21:15
Moon observation near zenithPaul Hirose22 Oct 2019, 19:06
Eyeglasses and SextantsEd Popko22 Oct 2019, 19:02
Re: The Moon and ParallaxFrank Reed22 Oct 2019, 16:24
Re: Custom Polaris Table SHA / Dec 2020-2030Frank Reed22 Oct 2019, 16:13
Re: Celestial Navigation in the MoviesFrank Reed22 Oct 2019, 16:01
Re: USNO website outagesDavid Iwancio22 Oct 2019, 04:51
Re: Custom Polaris Table SHA / Dec 2020-2030Greg Rudzinski22 Oct 2019, 03:03
Re: Custom Polaris Table SHA / Dec 2020-2030Geoffrey Kolbe21 Oct 2019, 17:49
Expedition AmeliaPaul Hirose21 Oct 2019, 17:46
Re: USNO website outagesHerman Dekker21 Oct 2019, 16:21
Re: USNO website outagesHerman Dekker21 Oct 2019, 15:58
Altitude and Azimuth in 3 minutes (by Prof. Akhmatov V.V., 1936)Tony Oz21 Oct 2019, 09:12
Re: Custom Polaris Table SHA / Dec 2020-2030Andrés Ruiz21 Oct 2019, 07:54
Re: USNO website outagesTracy Shrier20 Oct 2019, 18:45
Re: USNO website outagesEd Popko20 Oct 2019, 17:14
Custom Polaris Table SHA / Dec 2020-2030Greg Rudzinski19 Oct 2019, 21:40
Re: Newton and HalleyDucruy Jacques19 Oct 2019, 19:51
Re: The Moon and ParallaxDavid Pike19 Oct 2019, 17:08
Re: The Moon and ParallaxDavid Pike19 Oct 2019, 16:48
Re: USNO website outagesAlan S19 Oct 2019, 16:34
Re: The Moon and ParallaxDavid Iwancio19 Oct 2019, 09:46
Re: Primus circumdedisti meAndrés Ruiz19 Oct 2019, 09:07
Re: The Moon and ParallaxDavid Iwancio19 Oct 2019, 07:17
Re: Primus circumdedisti meBrad Morris19 Oct 2019, 02:32
Re: USNO website outagesBrad Morris19 Oct 2019, 02:23
USNO website outagesFrank Reed19 Oct 2019, 01:14
Re: The Moon and ParallaxSean C18 Oct 2019, 21:40
Primus circumdedisti meAndrés Ruiz18 Oct 2019, 13:05
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 10:00
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 09:51
Re: The Moon and ParallaxDavid Pike17 Oct 2019, 21:15
Delay of "Noon" by vessel motionFrank Reed17 Oct 2019, 19:19
Re: Soda can found at NikumaroroBrad Morris17 Oct 2019, 19:02
Re: King Haakon Bay Chart LocationRobin Stuart17 Oct 2019, 16:34
Re: Buy or build a modern Bygrave slide ruleRobin Stuart17 Oct 2019, 15:33
Soda can found at NikumaroroFrank Reed17 Oct 2019, 04:06
Re: Buy or build a modern Bygrave slide ruleRobin Stuart16 Oct 2019, 14:16
Re: Buy or build a modern Bygrave slide ruleGary LaPook16 Oct 2019, 05:36
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 23:17
Re: Buy or build a modern Bygrave slide ruleBrad Morris15 Oct 2019, 20:22
Re: Problem shooting index errorDavid Pike15 Oct 2019, 19:22
Re: The Moon and ParallaxDavid Pike15 Oct 2019, 18:47
Re: Buy or build a modern Bygrave slide ruleFrancis Upchurch15 Oct 2019, 18:02
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 17:37
Buy or build a modern Bygrave slide ruleSeán T. Rickard15 Oct 2019, 17:05
Re: Problem shooting index errorBill Lionheart15 Oct 2019, 15:28
Re: Problem shooting index errorAlan S14 Oct 2019, 23:16
Re: Problem shooting index errorAlan S14 Oct 2019, 23:11
Re: The Moon and ParallaxDavid Pike14 Oct 2019, 19:38
Re: Problem shooting index errorDavid Pike14 Oct 2019, 19:31
Re: The Moon and ParallaxTony Oz14 Oct 2019, 17:35
Re: The Moon and ParallaxFrank Reed14 Oct 2019, 17:32
The Moon and ParallaxDavid Pike14 Oct 2019, 15:07
Re: Problem shooting index errorEd Popko14 Oct 2019, 14:46
Re: Problem shooting index errorTony Oz14 Oct 2019, 08:53
Re: Problem shooting index errorAlan S14 Oct 2019, 03:55
Re: Problem shooting index errorAlan S14 Oct 2019, 01:59
Re: Problem shooting index errorFrank Reed13 Oct 2019, 23:17
Re: Problem shooting index errorMichael Bradley13 Oct 2019, 22:23
Re: Problem shooting index errorDavid Pike13 Oct 2019, 20:29
Re: Problem shooting index errorAlan S13 Oct 2019, 19:33
Navigation Spreadsheets in 2020Peter Hakel13 Oct 2019, 18:29
Re: In the Wake of MagellanWolfgang Köberer13 Oct 2019, 17:44
Re: Problem shooting index errorFrank Reed13 Oct 2019, 16:22
Re: In the Wake of MagellanBruce J. Pennino13 Oct 2019, 16:18
Re: In the Wake of MagellanEd Popko13 Oct 2019, 10:04
Re: In the Wake of MagellanZane Grey13 Oct 2019, 09:59
Re: Problem shooting index errorTony Oz13 Oct 2019, 07:47
Re: Relearning CelNav and Lunars for AntarcticaHerman Dekker13 Oct 2019, 04:38
Re: In the Wake of MagellanBrad Morris12 Oct 2019, 23:14
Re: Relearning CelNav and Lunars for AntarcticaChris Lamousin12 Oct 2019, 21:43
Re: In the Wake of MagellanFrank Reed12 Oct 2019, 20:48
Re: In the Wake of MagellanFrank Reed12 Oct 2019, 20:22
Re: Age of Sail Navigation Weekend and a Lunars DayAntoine Couëtte12 Oct 2019, 18:22
Re: Relearning CelNav and Lunars for AntarcticaFrank Reed12 Oct 2019, 18:20
Re: Correcting an Out of Date Nautical AlmanacGreg Rudzinski12 Oct 2019, 17:09
Re: Correcting an Out of Date Nautical AlmanacGreg Rudzinski12 Oct 2019, 16:02
Re: Correcting an Out of Date Nautical AlmanacGeoffrey Kolbe12 Oct 2019, 07:33
Re: Problem shooting index errorAlan S12 Oct 2019, 03:30
Re: Problem shooting index errorAlan S12 Oct 2019, 03:24
Re: Problem shooting index errorBrad Morris12 Oct 2019, 02:51
Re: Problem shooting index errorAlan S12 Oct 2019, 02:10
Re: Problem shooting index errorAlan S12 Oct 2019, 02:00
Re: Problem shooting index errorIgor S.11 Oct 2019, 22:02
Re: Problem shooting index errorBrad Morris11 Oct 2019, 20:46
Re: Problem shooting index errorDavid Pike11 Oct 2019, 17:05
Re: Celestial Navigation in the MoviesThomas M Darlingtoh11 Oct 2019, 12:54
Re: Problem shooting index errorTony Oz11 Oct 2019, 12:38
Re: In the Wake of MagellanEd Popko11 Oct 2019, 11:39
Re: In the Wake of MagellanIgor S.11 Oct 2019, 08:30
Re: In the Wake of MagellanRobert H. van Gent11 Oct 2019, 07:58
Re: Correcting an Out of Date Nautical AlmanacGreg Rudzinski11 Oct 2019, 06:46
Re: Relearning CelNav and Lunars for AntarcticaGary LaPook11 Oct 2019, 03:34
Re: Initial course nomogramFrank Reed11 Oct 2019, 00:25
Re: Initial course nomogramAndrew Nikitin10 Oct 2019, 22:42
Re: Correcting an Out of Date Nautical AlmanacEd Hlywa10 Oct 2019, 22:26
Problem shooting index errorAlan S10 Oct 2019, 21:55
Re: Celestial Navigation in the MoviesTony Oz10 Oct 2019, 20:39
Re: Relearning CelNav and Lunars for AntarcticaChris Lamousin10 Oct 2019, 20:23
Re: In the Wake of MagellanGrant Nixon10 Oct 2019, 19:29
Re: Relearning CelNav and Lunars for AntarcticaBrad Morris10 Oct 2019, 19:24
Re: Celestial Navigation in the MoviesFrank Reed10 Oct 2019, 18:56
Re: Correcting an Out of Date Nautical AlmanacHewitt Schlereth10 Oct 2019, 18:46
Re: In the Wake of MagellanFrank Reed10 Oct 2019, 18:39
Re: Initial course nomogramFrank Reed10 Oct 2019, 18:16
Re: Correcting an Out of Date Nautical AlmanacGreg Rudzinski10 Oct 2019, 17:30
In the Wake of MagellanDoug MacPherson10 Oct 2019, 16:59
Relearning CelNav and Lunars for AntarcticaChris Lamousin10 Oct 2019, 16:31
Re: Celestial Navigation in the MoviesGreg Licfi10 Oct 2019, 13:44
Initial course nomogramAndrew Nikitin10 Oct 2019, 02:07
Re: Correcting an Out of Date Nautical AlmanacGreg Rudzinski9 Oct 2019, 15:27
Correcting an Out of Date Nautical AlmanacGreg Rudzinski9 Oct 2019, 14:56
Re: Celestial Navigation in the MoviesGary LaPook9 Oct 2019, 06:58
Re: Celestial Navigation in the MoviesBill Lionheart8 Oct 2019, 19:04
Re: Celestial Navigation in the MoviesBill Lionheart8 Oct 2019, 14:07
Re: Celestial Navigation in the MoviesDavid Pike8 Oct 2019, 10:56
Re: Celestial Navigation in the MoviesDavid Pike8 Oct 2019, 10:45
Re: Celestial Navigation in the MoviesRobert H. van Gent8 Oct 2019, 08:22
Re: Celestial Navigation in the MoviesBrad Morris8 Oct 2019, 05:03
Re: Celestial Navigation in the MoviesGary LaPook7 Oct 2019, 23:46
New Zealand grid coordinatesPaul Hirose7 Oct 2019, 19:44
Re: Celestial Navigation in the MoviesDavid Pike7 Oct 2019, 15:51
Re: Celestial Navigation in the MoviesRobert H. van Gent7 Oct 2019, 14:04
Re: Celestial Navigation in the MoviesDavid Pike7 Oct 2019, 13:46
Re: Celestial Navigation in the MoviesTony Oz7 Oct 2019, 11:39
Re: Celestial Navigation in the MoviesSean C7 Oct 2019, 04:32
Re: Celestial Navigation in the MoviesGary LaPook7 Oct 2019, 04:24
Re: Celestial Navigation in the MoviesRobert VanderPol II7 Oct 2019, 04:05
Re: Celestial Navigation in the MoviesDavid C7 Oct 2019, 02:28
Re: Celestial Navigation in the MoviesDavid C7 Oct 2019, 01:50
Re: Video of Davis MK 3 Practice at SeaBrad Morris6 Oct 2019, 21:28
Re: Celestial Navigation in the MoviesBrad Morris6 Oct 2019, 14:35
Re: Video of Davis MK 3 Practice at SeaGreg Rudzinski6 Oct 2019, 14:17
Re: Celestial Navigation in the MoviesGreg Rudzinski6 Oct 2019, 12:40
Video of Davis MK 3 Practice at SeaGreg Rudzinski6 Oct 2019, 12:24
Re: "no plotting sheet required" - an interesting find in an old bookZane Grey6 Oct 2019, 06:36
Re: Celestial Navigation in the MoviesGary LaPook6 Oct 2019, 04:58
Re: Celestial Navigation in the MoviesTony Oz5 Oct 2019, 19:52
Re: Celestial Navigation in the MoviesTony Oz5 Oct 2019, 19:41
Re: Celestial Navigation in the MoviesEd Popko5 Oct 2019, 10:57
Re: Celestial Navigation in the MoviesKen Gebhart5 Oct 2019, 02:37
Re: Celestial Navigation in the MoviesGreg Rudzinski5 Oct 2019, 01:36
Re: Near-pole CN? Transverse Mercator?Frank Reed5 Oct 2019, 00:59
Re: Celestial Navigation in the MoviesFrank Reed5 Oct 2019, 00:46
Re: Celestial Navigation in the MoviesBob Goethe5 Oct 2019, 00:42
Re: Celestial Navigation in the MoviesTony Oz4 Oct 2019, 20:57
Re: Celestial Navigation in the MoviesIgor S.4 Oct 2019, 20:41
Re: Celestial Navigation in the MoviesJackson McDonald4 Oct 2019, 20:29
Re: Celestial Navigation in the MoviesFrank Reed4 Oct 2019, 19:45
Re: Near-pole CN? Transverse Mercator?David Pike4 Oct 2019, 19:38
Re: Near-pole CN? Transverse Mercator?David Pike4 Oct 2019, 19:05
Re: Celestial Navigation in the MoviesTony Oz4 Oct 2019, 18:58
Counterfeit Pub.294 Vol.1 2020Frank Reed4 Oct 2019, 18:55
Re: Near-pole CN? Transverse Mercator?Tony Oz4 Oct 2019, 11:51
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Fred Hebard4 Oct 2019, 08:22
Re: Near-pole CN? Transverse Mercator?David C4 Oct 2019, 07:45
Re: Near-pole CN? Transverse Mercator?David Pike3 Oct 2019, 20:56
Re: Near-pole CN? Transverse Mercator?Brad Morris3 Oct 2019, 18:35
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Francis Upchurch3 Oct 2019, 18:07
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 17:31
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 17:03
Re: Near-pole CN? Transverse Mercator?Gary LaPook3 Oct 2019, 16:57
Re: Near-pole CN? Transverse Mercator?Frank Reed3 Oct 2019, 16:27
Re: Replacement horizon mirror for a Kelvin Hughes sextant.David Pike3 Oct 2019, 15:44
Re: Near-pole CN? Transverse Mercator?David Pike3 Oct 2019, 15:13
Drifting on flotsam-jetsam: a joke?Tony Oz3 Oct 2019, 15:02
Fwd: Re: Military-grade Freiberger AHAndrés Ruiz3 Oct 2019, 10:30
Re: Near-pole CN? Transverse Mercator?Tony Oz3 Oct 2019, 08:20
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Bill Morris3 Oct 2019, 07:45
Re: "no plotting sheet required" - an interesting find in an old bookGary LaPook3 Oct 2019, 06:29
Re: Near-pole CN? Transverse Mercator?Gary LaPook2 Oct 2019, 22:17
Re: Near-pole CN? Transverse Mercator?Frank Reed2 Oct 2019, 21:51
Re: Military-grade Freiberger AHIgor S.2 Oct 2019, 21:25
Re: Military-grade Freiberger AHIgor S.2 Oct 2019, 21:15
Re: Near-pole CN? Transverse Mercator?Brad Morris2 Oct 2019, 21:04
Re: Military-grade Freiberger AHDavid Pike2 Oct 2019, 20:44
Re: Near-pole CN? Transverse Mercator?Tony Oz2 Oct 2019, 20:04
Off-topic: B-17 crash in ConnecticutFrank Reed2 Oct 2019, 19:44
Re: Military-grade Freiberger AHBill Roberts2 Oct 2019, 19:10
Re: Age of Sail Navigation Weekend and a Lunars DayFrank Reed2 Oct 2019, 18:24
Re: Near-pole CN? Transverse Mercator?Frank Reed2 Oct 2019, 18:17
Near-pole CN? Transverse Mercator?Tony Oz2 Oct 2019, 14:40
Re: Plotting on graph paperPeter Hakel1 Oct 2019, 23:42
Military-grade Freiberger AHIgor S.1 Oct 2019, 22:55
Re: Equinox, 2019 SeptemberPaul Hirose1 Oct 2019, 21:25
Plotting on graph paperJohn D. Howard1 Oct 2019, 14:55
"no plotting sheet required" - an interesting find in an old bookTony Oz1 Oct 2019, 12:35
Re: Time sight primerChris Mitchell1 Oct 2019, 11:29
Re: Time sight primerAndrés Ruiz1 Oct 2019, 09:41
Re: Experience of using a hand-held bubble sextant in a light aircraftGeoffrey Kolbe1 Oct 2019, 05:25
Re: Experience of using a hand-held bubble sextant in a light aircraftTracy Shrier1 Oct 2019, 02:46
Re: Time sight primerFrank Reed30 Sep 2019, 23:59
Re: Time sight primerFrank Reed30 Sep 2019, 23:29
Re: Home made FSM for AH or idx-mirrorFred Hebard30 Sep 2019, 20:31
Re: Home made FSM for AH or idx-mirrorIgor S.30 Sep 2019, 12:02
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook30 Sep 2019, 06:53
Re: Experience of using a hand-held bubble sextant in a light aircraftTracy Shrier30 Sep 2019, 02:14
Re: Home made FSM for AH or idx-mirrorDavid Pike29 Sep 2019, 20:16
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook29 Sep 2019, 19:13
Re: Home made FSM for AH or idx-mirrorFred Hebard29 Sep 2019, 16:30
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Geoffrey Kolbe29 Sep 2019, 13:14
Re: Experience of using a hand-held bubble sextant in a light aircraftHerman Dekker29 Sep 2019, 00:49
Re: Time sight primerDavid C28 Sep 2019, 22:25
Re: Replacement horizon mirror for a Kelvin Hughes sextant.David Pike28 Sep 2019, 22:00
Home made FSM for AH or idx-mirrorIgor S.28 Sep 2019, 19:47
Re: Experience of using a hand-held bubble sextant in a light aircraftBrad Morris28 Sep 2019, 17:41
Re: Kollsman periscopic sextant mountGary LaPook28 Sep 2019, 17:20
Re: Experience of using a hand-held bubble sextant in a light aircraftGary LaPook28 Sep 2019, 17:19
Re: Time sight primerJohn D. Howard28 Sep 2019, 16:37
Experience of using a hand-held bubble sextant in a light aircraftGeoffrey Kolbe28 Sep 2019, 15:33
Re: Kollsman periscopic sextant mounteduard rulf28 Sep 2019, 14:47
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Fred Hebard28 Sep 2019, 12:11
Re: Equinox, 2019 SeptemberRobert H. van Gent28 Sep 2019, 11:05
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Francis Upchurch28 Sep 2019, 05:43
Seeking author on 18th C timekeepingCliff Cunningham28 Sep 2019, 03:14
Re: Time sight primerDavid C27 Sep 2019, 22:52
Re: When did the Atumnal Equinox occure this year?Peter Hakel27 Sep 2019, 22:51
Re: Replacement horizon mirror for a Kelvin Hughes sextant.David Pike27 Sep 2019, 22:37
Cruising: the Passing of Traditional Navigation - Sail MagazineJackson McDonald27 Sep 2019, 21:59
Re: Time sight primerDavid C27 Sep 2019, 21:45
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Fred Hebard27 Sep 2019, 20:34
Re: When did the Atumnal Equinox occure this year?Dave Walden27 Sep 2019, 19:26
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Francis Upchurch27 Sep 2019, 18:30
Re: When did the Atumnal Equinox occure this year?Brad Morris27 Sep 2019, 18:15
Re: Time sight primerChris Mitchell27 Sep 2019, 13:27
Re: When did the Atumnal Equinox occure this year?Peter Hakel27 Sep 2019, 12:52
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Fred Hebard27 Sep 2019, 10:48
Re: Time sight primerDavid C27 Sep 2019, 04:42
Re: Time sight primerDavid C27 Sep 2019, 04:05
Equinox, 2019 SeptemberPaul Hirose27 Sep 2019, 03:26
Re: Time sight primerFrank Reed27 Sep 2019, 00:25
Re: Time sight primerBrad Morris27 Sep 2019, 00:21
Re: Time sight primerDoug MacPherson26 Sep 2019, 16:12
Re: Time sight primerChris Mitchell26 Sep 2019, 14:39
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Francis Upchurch26 Sep 2019, 08:45
Re: When did the Atumnal Equinox occure this year?Frank Reed26 Sep 2019, 04:23
Re: When did the Atumnal Equinox occure this year?Peter Hakel26 Sep 2019, 01:25
Re: Time sight primerFrank Reed26 Sep 2019, 01:01
Re: Time sight primerChris Mitchell25 Sep 2019, 23:41
Re: When did the Atumnal Equinox occure this year?David Pike25 Sep 2019, 22:32
Re: When did the Atumnal Equinox occure this year?Frank Reed25 Sep 2019, 21:25
Re: When did the Atumnal Equinox occure this year?Ron Jones25 Sep 2019, 21:23
Re: Replacement horizon mirror for a Kelvin Hughes sextant.David Pike25 Sep 2019, 19:45
Re: When did the Atumnal Equinox occure this year?Steve E. Bryant25 Sep 2019, 19:21
Re: Horizon mirror.Brad Morris25 Sep 2019, 18:57
Re: Replacement horizon mirror for a Kelvin Hughes sextant.Michael Bradley25 Sep 2019, 18:41
Mie scattering, not refractionEd Popko25 Sep 2019, 17:07
Re: What is a good sextant to buy?Francis Upchurch25 Sep 2019, 09:42
Horizon mirror.Francis Upchurch25 Sep 2019, 09:07
Replacement horizon mirror for a Kelvin Hughes sextant.Francis Upchurch25 Sep 2019, 09:05
When did the Atumnal Equinox occure this year?Steve E. Bryant25 Sep 2019, 05:05
Re: USNO Web App End Year 2035Frank Reed25 Sep 2019, 00:20
Re: USNO Web App End Year 2035Bob Goethe24 Sep 2019, 19:53
Re: USNO Web App End Year 2035Fred Hebard24 Sep 2019, 19:32
Re: USNO Web App End Year 2035John D. Howard24 Sep 2019, 17:44
Re: USNO Web App End Year 2035Frank Reed24 Sep 2019, 17:23
Re: USNO Web App End Year 2035Dave Walden24 Sep 2019, 17:01
Re: USNO Web App End Year 2035Frank Reed24 Sep 2019, 16:54
Re: USNO Web App End Year 2035John D. Howard24 Sep 2019, 16:10
Re: USNO Web App End Year 2035Ian Gifford24 Sep 2019, 10:33
Re: USNO Web App End Year 2035Sean C24 Sep 2019, 08:04
Re: USNO Web App End Year 2035Sean C24 Sep 2019, 04:53
USNO Web App End Year 2035Frank Reed23 Sep 2019, 16:51
A next NEW book on CN ?Igor S.21 Sep 2019, 21:09
Re: More DR - Best route for English Channel swimmersFrancis Upchurch20 Sep 2019, 18:50
Re: More DR - Best route for English Channel swimmersBrad Morris20 Sep 2019, 15:58
More DR - Best route for English Channel swimmersDavid Pike20 Sep 2019, 08:57
Re: It's Dead, not DedDavid Pike20 Sep 2019, 08:32
It's Dead, not DedFrank Reed19 Sep 2019, 20:20
Re: Freiberger PTS 62 ?Luc Van den Borre18 Sep 2019, 19:36
Re: Age of Sail Navigation Weekend and a Lunars DayCharles McElhill18 Sep 2019, 19:17
Re: Moon meridian passage and its TiltFrank Reed18 Sep 2019, 18:10
Freiberger PTS 62 ?Patrick pont18 Sep 2019, 11:44
Re: A sextant in pop cultureRobert VanderPol II18 Sep 2019, 04:05
A sextant in pop cultureFrank Reed18 Sep 2019, 01:19
Moon meridian passage and its TiltIgor S.17 Sep 2019, 23:14
Re: Age of Sail Navigation Weekend and a Lunars DayFrank Reed17 Sep 2019, 20:01
Re: Lunar HaloFrank Reed17 Sep 2019, 19:17
Re: Lunar HaloSean C17 Sep 2019, 05:35
Re: Age of Sail Navigation Weekend and a Lunars DayRobert Pearson17 Sep 2019, 05:06
Re: Age of Sail Navigation Weekend and a Lunars DayEd Popko16 Sep 2019, 23:22
Re: Age of Sail Navigation Weekend and a Lunars DayBrad Morris16 Sep 2019, 17:16
Re: Lunar HaloRon Jones16 Sep 2019, 16:18
Re: Age of Sail Navigation Weekend and a Lunars DayCharles McElhill16 Sep 2019, 14:14
Re: Lunar HaloIgor S.16 Sep 2019, 13:28
Re: Lunar HaloIgor S.16 Sep 2019, 07:15
Re: Age of Sail Navigation Weekend and a Lunars DayBruce Cutting16 Sep 2019, 01:45
Re: What is a good sextant to buy?Francis Upchurch15 Sep 2019, 08:45
Lunar HaloSean C15 Sep 2019, 08:28
Age of Sail Navigation Weekend and a Lunars DayFrank Reed15 Sep 2019, 03:48
Re: What is a good sextant to buy?Michael Bradley13 Sep 2019, 18:52
Archiving your Celestial SightsRon Jones12 Sep 2019, 18:51
Re: Zero-Altitude ShotBob Goethe12 Sep 2019, 06:12
Call for owners of Freiberger AHIgor S.11 Sep 2019, 21:16
Re: Zero-Altitude ShotPaul Hirose11 Sep 2019, 16:49
Re: In memoriam: Joel SilverbergAlan S10 Sep 2019, 20:11
Re: What is a good sextant to buy?Michael Bradley10 Sep 2019, 07:44
Re: Shoot a lunar tomorrowTracy Shrier10 Sep 2019, 04:06
Re: What is a good sextant to buy?Alan S9 Sep 2019, 05:00
Re: Zero-Altitude ShotPaul Hirose9 Sep 2019, 03:50
Re: Zero-Altitude ShotFrank Reed8 Sep 2019, 22:20
Re: Zero-Altitude ShotTony Oz8 Sep 2019, 20:54
Re: Artificial Horizon, K & E USN No. 6Rick S7 Sep 2019, 18:53
Re: What is a good sextant to buy?Bruno Meier7 Sep 2019, 06:17
Re: Zero-Altitude ShotPaul Hirose7 Sep 2019, 04:14
Re: What is a good sextant to buy?Francis Upchurch5 Sep 2019, 18:59
Re: Multiplication by addition of logsTony Oz5 Sep 2019, 17:44
Re: What is a good sextant to buy?Greg Rudzinski5 Sep 2019, 17:40
Re: Multiplication by addition of logsAshley Betts5 Sep 2019, 09:09
Re: Multiplication by addition of logsAshley Betts5 Sep 2019, 09:04
Re: What3words: con game in the UKDavid Pike5 Sep 2019, 08:03
Re: What3words: con game in the UKDavid Pike4 Sep 2019, 21:31
Re: What is a good sextant to buy?Bruce Cutting4 Sep 2019, 18:28
Re: Multiplication by addition of logsTony Oz4 Sep 2019, 14:17
Re: What is a good sextant to buy?Bruce J. Pennino4 Sep 2019, 13:44
Re: Multiplication by addition of logsGrant Nixon4 Sep 2019, 13:34
Re: Zero-Altitude ShotBob Goethe4 Sep 2019, 12:40
Re: Multiplication by addition of logsAlexandre Eremenko4 Sep 2019, 11:53
Re: Multiplication by addition of logsTony Oz4 Sep 2019, 08:55
Re: Kollsman periscopic sextant mountGary LaPook4 Sep 2019, 05:25
Re: Zero-Altitude ShotGary LaPook4 Sep 2019, 05:23
Multiplication by addition of logsAshley Betts4 Sep 2019, 03:07
Zero-Altitude ShotBob Goethe4 Sep 2019, 02:24
Re: What is a good sextant to buy?Alexandre Eremenko4 Sep 2019, 01:01
Re: What is a good sextant to buy?Ed Popko3 Sep 2019, 23:00
Re: The Improved Suns Table4 from HO249Tony Oz3 Sep 2019, 21:51
Re: What is a good sextant to buy?Bruce Cutting3 Sep 2019, 21:36
Re: The Improved Suns Table4 from HO249Herman Dekker3 Sep 2019, 19:52
Re: The Improved Suns Table4 from HO249Herman Dekker3 Sep 2019, 18:27
Re: What is a good sextant to buy?Philippe Posth3 Sep 2019, 11:50
Re: What is a good sextant to buy?Jeremy C3 Sep 2019, 11:15
Re: The Improved Suns Table4 from HO249Tony Oz3 Sep 2019, 09:27
Re: What is a good sextant to buy?Francis Upchurch3 Sep 2019, 06:31
Re: What is a good sextant to buy?Bob Goethe3 Sep 2019, 06:26
Re: What is a good sextant to buy?Bill B3 Sep 2019, 05:03
Re: What is a good sextant to buy?Alan S3 Sep 2019, 02:32
Re: What is a good sextant to buy?Alan S3 Sep 2019, 01:44
Re: What is a good sextant to buy?Abdul Khan2 Sep 2019, 23:37
Re: What is a good sextant to buy?Frank Reed2 Sep 2019, 03:22
Re: Kollsman periscopic sextant mountEduard Rulf1 Sep 2019, 11:25
What is a good sextant to buy?Abdul Khan1 Sep 2019, 03:44
In memoriam: Joel SilverbergFrank Reed31 Aug 2019, 19:23
Re: The Improved Suns Table4 from HO249Herman Dekker31 Aug 2019, 12:52
Re: The Improved Suns Table4 from HO249Michael Bradley31 Aug 2019, 09:30
Re: The Improved Suns Table4 from HO249Tony Oz30 Aug 2019, 23:08
Re: The Improved Suns Table4 from HO249Herman Dekker30 Aug 2019, 21:26
All Weather Sextant - The RadiosextantIgor S.30 Aug 2019, 15:45
Re: Harold Gatty's KamalDavid C30 Aug 2019, 09:21
Re: Harold Gatty's KamalTony Oz30 Aug 2019, 08:35
Re: The Improved Suns Table4 from HO249Tony Oz30 Aug 2019, 08:16
Re: The Improved Suns Table4 from HO249David Iwancio30 Aug 2019, 07:23
Harold Gatty's KamalBob Goethe30 Aug 2019, 00:31
Hermetically sealed sextant mirrorsPaul Hirose29 Aug 2019, 21:43
Re: The Improved Suns Table4 from HO249Herman Dekker29 Aug 2019, 21:12
Re: Navigation articles on WikipediaBruce Cutting29 Aug 2019, 16:16
Re: Navigation articles on WikipediaBill Lionheart29 Aug 2019, 16:07
Re: The Improved Suns Table4 from HO249Tony Oz29 Aug 2019, 10:41
Re: Navigation articles on WikipediaEd Popko29 Aug 2019, 09:53
Re: GPS Spoofing and TimeFred Hebard28 Aug 2019, 12:06
Re: GPS Spoofing and TimeTony Oz28 Aug 2019, 07:30
Re: GPS Spoofing and TimeBob Goethe27 Aug 2019, 21:34
Re: GPS Spoofing and TimeTony Oz27 Aug 2019, 18:51
Navigation articles on WikipediaFrank Reed27 Aug 2019, 16:17
Re: GPS Spoofing and TimeBob Goethe27 Aug 2019, 14:19
Re: Visit beautiful Sandy Island...Robin Stuart27 Aug 2019, 02:09
Re: Shoot a lunar tomorrowIgor S.26 Aug 2019, 23:29
Re: GPS Spoofing and TimeTony Oz26 Aug 2019, 20:44
Re: Navigator, Dead Reckoning bagFrank Reed26 Aug 2019, 19:48
Re: Navigator, Dead Reckoning bagBrad Morris26 Aug 2019, 18:45
Navigator, Dead Reckoning bagJackson McDonald26 Aug 2019, 17:58
GPS Spoofing and TimeBob Goethe26 Aug 2019, 15:51
Literature corner: R.Trumbull's "The Raft"Tony Oz25 Aug 2019, 20:33
Re: Shoot a lunar tomorrowBob Goethe24 Aug 2019, 22:51
Longitude by relative lunar azimuthFrank Reed24 Aug 2019, 22:44
Re: Shoot a lunar tomorrowFrank Reed24 Aug 2019, 21:55
Re: Shoot a lunar tomorrowBob Goethe24 Aug 2019, 21:46
Re: Side error asymmetryIgor S.23 Aug 2019, 23:52
Re: ADMIN: NavList Operations ContributionsFrank Reed23 Aug 2019, 03:12
Re: The art of large vessel navigationBrad Morris23 Aug 2019, 00:35
Shoot a lunar tomorrowFrank Reed22 Aug 2019, 20:06
Re: The art of large vessel navigationTom Sult22 Aug 2019, 18:19
The art of large vessel navigationFrank Reed22 Aug 2019, 18:06
Re: What3words: con game in the UKFrank Reed22 Aug 2019, 16:36
Re: What3words: con game in the UKTony Oz22 Aug 2019, 14:11
Re: What3words: con game in the UKFrank Reed22 Aug 2019, 12:07
Re: What3words: con game in the UKFrank Reed22 Aug 2019, 11:51
Re: What3words: con game in the UKDavid Pike22 Aug 2019, 10:42
Re: What3words: con game in the UKTony Oz22 Aug 2019, 07:52
Re: What3words: con game in the UKSean C22 Aug 2019, 04:26
What3words: con game in the UKFrank Reed22 Aug 2019, 03:19
Re: Side error asymmetryBrad Morris21 Aug 2019, 16:55
Re: LORAN over boardLu Abel21 Aug 2019, 15:19
Re: Side error asymmetryPeter Monta21 Aug 2019, 14:15
Side error asymmetryIgor S.21 Aug 2019, 09:57
Re: LORAN over boardBill Lionheart20 Aug 2019, 21:32
Re: LORAN over boardBrad Morris20 Aug 2019, 19:49
Re: Optimal HoE?Brad Morris20 Aug 2019, 19:46
Re: Optimal HoE?Brad Morris20 Aug 2019, 19:40
Re: Help ... Tamaya NC 88Philippe Posth20 Aug 2019, 18:22
LORAN over boardJohn Carbone20 Aug 2019, 11:35
Re: Optimal HoE?Robert VanderPol II20 Aug 2019, 08:01
Re: Optimal HoE?Tony Oz20 Aug 2019, 07:47
Re: Optimal HoE?Frank Reed19 Aug 2019, 19:53
Re: Optimal HoE?Bob Goethe19 Aug 2019, 19:25
Re: Optimal HoE?Brad Morris19 Aug 2019, 18:46
Re: Optimal HoE?Frank Reed19 Aug 2019, 18:15
Optimal HoE?Tony Oz19 Aug 2019, 17:16
Re: A novel material for mirror AH ?Igor S.19 Aug 2019, 13:15
Magnetic susceptibility of (mechanical) quartz watchesTony Oz19 Aug 2019, 08:18
Re: Is this a "digital sextant"?David Pike17 Aug 2019, 21:32
Fwd: From Celestial to Terrestrial Timekeeping: New book...Paul Hirose17 Aug 2019, 16:34
Re: The Geometry of Elliptical Probability Contours for a Fix using Multiple Lines of PositionBill Lionheart17 Aug 2019, 12:57
Re: A novel material for mirror AH ?Igor S.16 Aug 2019, 20:07
Re: A novel material for mirror AH ?Igor S.16 Aug 2019, 19:57
Re: Is this a "digital sextant"?Tony Oz16 Aug 2019, 19:29
Re: Is this a "digital sextant"?Don Seltzer16 Aug 2019, 19:26
Re: The Geometry of Elliptical Probability Contours for a Fix using Multiple Lines of PositionJames F Campbell16 Aug 2019, 18:57
Re: Is this a "digital sextant"?Brad Morris16 Aug 2019, 17:42
Is this a "digital sextant"?Bill Lionheart16 Aug 2019, 14:33
Re: A novel material for mirror AH ?Tony Oz16 Aug 2019, 09:30
ADMIN: NavList Operations ContributionsFrank Reed15 Aug 2019, 21:51
Re: A novel material for mirror AH ?Bob Goethe15 Aug 2019, 21:05
Re: A novel material for mirror AH ?Brad Morris15 Aug 2019, 18:20
Re: Sextant octant rubber eyepad preservationBrad Morris15 Aug 2019, 18:12
Re: The Geometry of Elliptical Probability Contours for a Fix using Multiple Lines of PositionBill Lionheart15 Aug 2019, 09:35
Re: A novel material for mirror AH ?David Iwancio15 Aug 2019, 05:28
Re: Sextant octant rubber eyepad preservationEd Popko14 Aug 2019, 18:58
Re: A novel material for mirror AH ?Zane Grey14 Aug 2019, 18:48
Re: A novel material for mirror AH ?Lewis Howell14 Aug 2019, 18:13
A novel material for mirror AH ?Igor S.14 Aug 2019, 17:33
Re: Sextant octant rubber eyepad preservationGreg Rudzinski14 Aug 2019, 15:43
The Geometry of Elliptical Probability Contours for a Fix using Multiple Lines of PositionBill Lionheart14 Aug 2019, 15:12
Sextant octant rubber eyepad preservationEd Popko14 Aug 2019, 10:22
Re: An artificial horizon eclipse sightDoug MacPherson12 Aug 2019, 02:12
Re: An artificial horizon eclipse sightBrian Walton12 Aug 2019, 01:10
Re: An artificial horizon eclipse sightBrian Walton10 Aug 2019, 14:18
Re: Landmark sightsPaul Hirose10 Aug 2019, 04:15
Re: Help ... Tamaya NC 88Patrick pont9 Aug 2019, 08:23
Re: Landmark sightsPeter Monta9 Aug 2019, 07:20
Re: Kollsman Periscopic Bubble AdjustJeff Gagnon9 Aug 2019, 02:38
Re: Help ... Tamaya NC 88Drago Simac8 Aug 2019, 23:38
Re: GPS Anti-Spoof IssueFrank Reed8 Aug 2019, 22:25
GPS Anti-Spoof IssueBob Goethe8 Aug 2019, 13:38
Re: Landmark sightsPaul Hirose7 Aug 2019, 20:47
Re: Kollsman Periscopic Bubble AdjustFrank Reed7 Aug 2019, 18:49
Re: An artificial horizon eclipse sightEd Popko7 Aug 2019, 14:14
Re: Which Cocked Hat?Robin Stuart7 Aug 2019, 13:31
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 12:07
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 11:50
Help ... Tamaya NC 88Patrick pont7 Aug 2019, 11:29
Re: Kollsman Periscopic Bubble AdjustDavid C7 Aug 2019, 06:01
Re: Kollsman Periscopic Bubble AdjustGary LaPook7 Aug 2019, 05:41
Re: Kollsman Periscopic Bubble AdjustJeff Gagnon7 Aug 2019, 03:50
Re: Landmark sightsPeter Monta7 Aug 2019, 01:45
Re: Sextant RepairsGraham Dodd6 Aug 2019, 23:17
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 18:12
Re: Landmark sightsLars Bergman6 Aug 2019, 16:01
Re: An artificial horizon eclipse sightBrian Walton6 Aug 2019, 10:33
Re: Kollsman Periscopic Bubble AdjustDavid C6 Aug 2019, 09:08
Re: In memoriam: Stan KleinAlan S6 Aug 2019, 01:08
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 01:08
Re: Kollsman Periscopic Bubble AdjustGary LaPook6 Aug 2019, 00:55
Re: An artificial horizon eclipse sightEd Popko5 Aug 2019, 19:07
An artificial horizon eclipse sightFrank Reed5 Aug 2019, 17:40
Kollsman Periscopic Bubble AdjustJeff Gagnon5 Aug 2019, 15:42
Landmark sightsPeter Monta5 Aug 2019, 09:33
Re: Cones of Position, Lunars and the Apollo SextantFrank Reed5 Aug 2019, 02:53
Re: Navigating USS Nautilus in 1958Greg Rudzinski4 Aug 2019, 23:37
Re: Navigating USS Nautilus in 1958Rommel John Miller4 Aug 2019, 23:24
Navigating USS Nautilus in 1958Frank Reed4 Aug 2019, 19:58
Re: Which Cocked Hat?Frank Reed4 Aug 2019, 19:27
Re: Which Cocked Hat?Frank Reed4 Aug 2019, 19:08
Re: Which Cocked Hat?Bill Lionheart4 Aug 2019, 13:25
Re: Cones of Position, Lunars and the Apollo SextantEd Popko4 Aug 2019, 12:42
Re: Which Cocked Hat?Brad Morris4 Aug 2019, 03:57
Re: Distance off, by sextant angleFrank Reed4 Aug 2019, 03:30
Re: Davis Mark 12 sextantFrank Reed4 Aug 2019, 03:25
Re: Old Garmin GPS deviceFrank Reed4 Aug 2019, 03:19
Re: Cones of Position, Lunars and the Apollo SextantFrank Reed4 Aug 2019, 03:10
Re: Which Cocked Hat?Frank Reed4 Aug 2019, 02:34
Re: Chauvenet on his lunar methodFrank Reed3 Aug 2019, 23:49
Re: American Practical Navigator, Bowditch 2019Frank Reed3 Aug 2019, 22:08
American Practical Navigator, Bowditch 2019Bob Goethe3 Aug 2019, 18:44
Chauvenet on his lunar methodPaul Hirose3 Aug 2019, 03:37
Re: Which Cocked Hat?Bill Lionheart2 Aug 2019, 22:51
Re: Which Cocked Hat?David C2 Aug 2019, 21:27
Cones of Position, Lunars and the Apollo SextantEd Popko2 Aug 2019, 19:23
Re: Which Cocked Hat?Frank Reed2 Aug 2019, 17:57
Re: Which Cocked Hat?David C2 Aug 2019, 09:23
Re: Which Cocked Hat?David C2 Aug 2019, 05:49
Re: Parallel Sailing questionGreg Rudzinski1 Aug 2019, 22:01
Re: Which Cocked Hat?Zane Grey1 Aug 2019, 19:33
Re: Parallel Sailing questionBrad Morris1 Aug 2019, 18:36
Re: Parallel Sailing questionJayson David1 Aug 2019, 17:46
Re: Parallel Sailing questionGary LaPook1 Aug 2019, 17:08
Re: Which Cocked Hat?Robin Stuart1 Aug 2019, 15:35
Re: Parallel Sailing questionGreg Rudzinski1 Aug 2019, 14:36
Re: Parallel Sailing questionDon Seltzer1 Aug 2019, 13:17
Re: Parallel Sailing questionPeter Hakel1 Aug 2019, 04:48
Re: Parallel Sailing questionFrank Reed1 Aug 2019, 03:03
Re: Which Cocked Hat?Frank Reed1 Aug 2019, 02:59
Re: Parallel Sailing questionFrank Reed31 Jul 2019, 21:31
Parallel Sailing questionJayson David31 Jul 2019, 21:09
Re: Which Cocked Hat?Bill Lionheart31 Jul 2019, 11:51
Re: Azimuth / elevation from sextant observationsPeter Monta31 Jul 2019, 10:22
Re: GPS Anti-Spoof feature requestPeter Monta31 Jul 2019, 10:13
Re: Apollo SextantTony Oz31 Jul 2019, 07:40
Re: Azimuth / elevation from sextant observationsSean C31 Jul 2019, 04:22
Azimuth / elevation from sextant observationsPaul Hirose30 Jul 2019, 21:26
Re: GPS Anti-Spoof feature requestTony Oz30 Jul 2019, 16:17
Which Cocked Hat?Robin Stuart30 Jul 2019, 13:31
Re: Apollo SextantPaul Dolkas30 Jul 2019, 04:35
GPS Anti-Spoof feature requestPeter Monta30 Jul 2019, 02:44
Re: Old Garmin GPS devicePeter Monta29 Jul 2019, 03:33
Re: Freiberger Sirius Sextant ReveiwLuc Van den Borre28 Jul 2019, 18:37
Re: Freiberger Sirius Sextant ReveiwPatrick pont28 Jul 2019, 11:12
Re: Freiberger Sirius Sextant ReveiwPatrick pont28 Jul 2019, 11:08
Re: Freiberger Sirius Sextant ReveiwGreg Rudzinski28 Jul 2019, 01:01
Re: Freiberger Sirius Sextant ReveiwWilliam Edward Henry28 Jul 2019, 00:02
Re: Freiberger Sirius Sextant ReveiwPatrick pont27 Jul 2019, 21:45
Re: Accuracy: main shades vs eyepiece shades?Brad Morris27 Jul 2019, 19:08
Re: Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeDon Seltzer27 Jul 2019, 15:31
Re: Mirror AH - safety firstEd Popko27 Jul 2019, 14:52
Re: Accuracy: main shades vs eyepiece shades?Geoffrey Kolbe27 Jul 2019, 10:13
Re: Bright meteor over northeast US last nightSean C27 Jul 2019, 04:33
Re: Davis Mark 12 sextantErik O27 Jul 2019, 04:15
Re: Accuracy: main shades vs eyepiece shades?Brad Morris27 Jul 2019, 02:59
Re: Accuracy: main shades vs eyepiece shades?Robert VanderPol II27 Jul 2019, 01:33
Re: Mirror AH - safety firstIgor S.26 Jul 2019, 21:37
Re: Accuracy: main shades vs eyepiece shades?Brad Morris26 Jul 2019, 19:50
Re: Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeEd Popko26 Jul 2019, 18:53
Re: Bright meteor over northeast US last nightChris Post26 Jul 2019, 03:26
Lunars workshop/seminar, August 10-11Frank Reed26 Jul 2019, 03:18
Re: Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeFrank Reed26 Jul 2019, 03:10
Bright meteor over northeast US last nightFrank Reed26 Jul 2019, 03:03
Re: Accuracy: main shades vs eyepiece shades?Frank Reed26 Jul 2019, 02:54
Re: Accuracy: main shades vs eyepiece shades?Brad Morris25 Jul 2019, 22:03
Re: Accuracy: main shades vs eyepiece shades?Michael Bradley25 Jul 2019, 19:50
Re: Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeEd Popko25 Jul 2019, 19:24
Re: Accuracy: main shades vs eyepiece shades?Tony Oz25 Jul 2019, 15:25
Re: Accuracy: main shades vs eyepiece shades?Greg Rudzinski25 Jul 2019, 14:56
Re: Accuracy: main shades vs eyepiece shades?Brad Morris25 Jul 2019, 14:43
Re: Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeTony Oz25 Jul 2019, 12:53
Accuracy: main shades vs eyepiece shades?Tony Oz25 Jul 2019, 08:47
Re: Mirror AH - safety firstDavid Pike25 Jul 2019, 08:17
Robert Ballard, Titanic discoverer, seeks Amelia Earhart's planeEd Popko25 Jul 2019, 01:00
Re: Mirror AH - safety firstBill Morris24 Jul 2019, 21:21
Re: SunshotPeter Hakel24 Jul 2019, 12:33
Re: Celestial Navigation TriptychEd Popko24 Jul 2019, 10:19
Re: Mirror AH - safety firstTony Oz24 Jul 2019, 08:29
Re: Mirror AH - safety firstSean C24 Jul 2019, 04:50
Celestial Navigation TriptychJackson McDonald24 Jul 2019, 01:39
Re: Mirror AH - safety firstEd Popko24 Jul 2019, 01:13
Re: Mirror AH - safety firstFrank Reed23 Jul 2019, 23:06
Mirror AH - safety firstIgor S.23 Jul 2019, 22:44
Re: A navigator's photo with really HUGE wrist-watch?Tony Oz23 Jul 2019, 09:01
Re: A navigator's photo with really HUGE wrist-watch?Luc Van den Borre22 Jul 2019, 19:15
Re: Old Garmin GPS deviceBrad Morris22 Jul 2019, 19:06
A navigator's photo with really HUGE wrist-watch?Tony Oz22 Jul 2019, 18:26
Re: We need a backup to GPSDavid Pike22 Jul 2019, 12:01
Old Garmin GPS deviceFrank Reed22 Jul 2019, 09:04
SunshotManuel Guerra21 Jul 2019, 17:34
Re: Apollo SextantEd Popko21 Jul 2019, 12:04
Re: Apollo SextantEd Popko21 Jul 2019, 11:54
Re: We need a backup to GPSDavid Pike21 Jul 2019, 07:46
Re: We need a backup to GPSBrian Walton21 Jul 2019, 05:08
Apollo 11Francis Upchurch21 Jul 2019, 04:30
Re: Apollo SextantTony Oz20 Jul 2019, 16:12
Re: Apollo SextantBrad Morris20 Jul 2019, 14:07
Re: We need a backup to GPSAlan S20 Jul 2019, 02:57
Back Up to GPSJay Phelan19 Jul 2019, 18:46
Re: Distance off, by sextant angleTony Oz19 Jul 2019, 07:39
Re: Apollo SextantPaul Dolkas19 Jul 2019, 04:42
Re: Distance off, by sextant angleRobert VanderPol II18 Jul 2019, 16:48
Re: Finding stars in daylightFred Hebard18 Jul 2019, 00:55
Distance off, by sextant angleTony Oz17 Jul 2019, 13:00
Re: Home made artificial horizonTony Oz17 Jul 2019, 07:38
Re: SAR-search-patterns ApplicationBrad Morris17 Jul 2019, 04:05
Re: SAR-search-patterns ApplicationZane Grey17 Jul 2019, 02:40
Re: SAR-search-patterns ApplicationZane Grey17 Jul 2019, 02:34
Re: Home made artificial horizonGary LaPook17 Jul 2019, 02:24
Re: We need a backup to GPSGary LaPook17 Jul 2019, 02:19
Re: SAR-search-patterns ApplicationBrad Morris17 Jul 2019, 00:16
Re: Peculiar definition of sun set/risePaul Hirose16 Jul 2019, 23:20
Re: Home made artificial horizonAlan S16 Jul 2019, 20:05
Apollo SextantZane Grey16 Jul 2019, 18:45
Re: SAR-search-patterns ApplicationZane Grey16 Jul 2019, 18:42
Re: Galileo Sat-Nav System Still Without ServiceZane Grey16 Jul 2019, 18:34
Re: Galileo Sat-Nav System Still Without ServiceFrank Reed16 Jul 2019, 17:42
Re: We need a backup to GPSAlan S16 Jul 2019, 17:14
Re: Galileo Sat-Nav System Still Without ServiceAlan S16 Jul 2019, 17:12
Re: We need a backup to GPSZane Grey16 Jul 2019, 15:55
Re: We need a backup to GPSBill Lionheart16 Jul 2019, 15:36
We need a backup to GPSGary LaPook15 Jul 2019, 23:07
Re: Lightning Strike CN ExerciseGreg Rudzinski15 Jul 2019, 19:05
Galileo Sat-Nav System Still Without ServiceMike Mayer15 Jul 2019, 18:34
Re: Lightning Strike CN ExerciseGreg Rudzinski15 Jul 2019, 18:30
Re: Lightning Strike CN ExerciseDavid Pike15 Jul 2019, 16:18
Re: Lightning Strike CN ExerciseMichael Bradley15 Jul 2019, 10:07
Re: Finding stars in daylightPaul Hirose15 Jul 2019, 05:59
Re: Finding stars in daylightFred Hebard15 Jul 2019, 01:22
Stark's Lunar Tables on a Flattened EarthDavid Iwancio14 Jul 2019, 17:41
Re: Finding stars in daylightJohn D. Howard14 Jul 2019, 16:50
Re: Finding stars in daylightJohn D. Howard14 Jul 2019, 16:32
Re: Finding stars in daylightFred Hebard14 Jul 2019, 04:14
Re: Finding stars in daylightGary LaPook14 Jul 2019, 00:17
Re: C&P AH: size of the bubbleDavid Pike13 Jul 2019, 20:45
Re: C&P AH: size of the bubbleLuc Van den Borre13 Jul 2019, 17:14
Re: Finding stars in daylightJohn D. Howard13 Jul 2019, 16:59
Re: Lightning Strike CN ExerciseFrank Reed13 Jul 2019, 16:17
Re: Lightning Strike CN ExerciseGreg Rudzinski13 Jul 2019, 13:34
C&P AH: size of the bubbleIgor S.13 Jul 2019, 11:28
Re: Finding stars in daylightGary LaPook13 Jul 2019, 04:55
Re: Finding stars in daylightJohn D. Howard12 Jul 2019, 22:29
Re: Need Help with extract from Ho 249 volume 1 EPOCH 1995Doug MacPherson12 Jul 2019, 19:41
Re: Need Help with extract from Ho 249 volume 1 EPOCH 1995Frank Reed12 Jul 2019, 19:12
Need Help with extract from Ho 249 volume 1 EPOCH 1995Doug MacPherson12 Jul 2019, 17:19
Re: Lightning Strike CN ExerciseDavid Pike12 Jul 2019, 17:01
Re: Finding stars in daylightFred Hebard12 Jul 2019, 07:13
Re: Lightning Strike CN ExerciseTony Oz11 Jul 2019, 20:48
Re: Lightning Strike CN ExerciseDavid Pike11 Jul 2019, 20:34
Re: Lightning Strike CN ExerciseGreg Rudzinski11 Jul 2019, 18:58
Re: Lightning Strike CN ExerciseDoug MacPherson11 Jul 2019, 16:59
Re: GMT of lunar altitudes when possible?Andrés Ruiz11 Jul 2019, 12:58
Re: Lightning Strike CN ExerciseGreg Rudzinski11 Jul 2019, 11:32
What makes Sharp PC-1270 into a Celesticomp V?Tony Oz11 Jul 2019, 11:28
Re: Lightning Strike CN ExerciseGreg Rudzinski11 Jul 2019, 11:22
Re: Tamaya NC-88 on ebayJeremy C11 Jul 2019, 10:26
Re: Tamaya NC-88 on ebayDavid Iwancio11 Jul 2019, 01:30
Re: Tamaya NC-88 on ebayDavid Iwancio11 Jul 2019, 00:55
Re: GMT of lunar altitudes when possible?Frank Reed11 Jul 2019, 00:15
Starpath Article GMT Lunar AltitudesBrad Morris10 Jul 2019, 22:46
Re: Tamaya NC-88 on ebayGreg Rudzinski10 Jul 2019, 16:30
Re: GMT of lunar altitudes when possible?Herman Dekker10 Jul 2019, 16:15
Tamaya NC-88 on ebayTony Oz10 Jul 2019, 12:44
Lightning Strike CN ExerciseGreg Rudzinski10 Jul 2019, 12:27
Re: GMT of lunar altitudes when possible?Frank Reed10 Jul 2019, 03:16
Re: Lightning strike on a mastBrad Morris9 Jul 2019, 19:20
Lightning strike on a mastBob Goethe9 Jul 2019, 18:03
Re: Optical bench for sextants?Igor S.9 Jul 2019, 11:04
Re: GMT of lunar altitudes when possible?Tony Oz9 Jul 2019, 07:29
Re: GMT of lunar altitudes when possible?Brad Morris8 Jul 2019, 20:51
Re: GMT of lunar altitudes when possible?Herman Dekker8 Jul 2019, 20:07
Re: GMT of lunar altitudes when possible?John D. Howard8 Jul 2019, 18:39
Re: GMT of lunar altitudes when possible?Bill Ritchie8 Jul 2019, 08:55
GMT of lunar altitudes when possible?Herman Dekker7 Jul 2019, 14:58
World Map and Overlays for Great Circle Distances & Zenith AngleDavid Iwancio7 Jul 2019, 05:17
Re: SAR-search-patterns ApplicationBrad Morris5 Jul 2019, 16:36
SAR-search-patterns ApplicationAndrés Ruiz5 Jul 2019, 10:33
Re: Ancient ObservatoriesPaul Hirose4 Jul 2019, 23:41
Re: Invert it: GPS as backup to primary celestial navigationAlan S4 Jul 2019, 21:35
Re: Ancient ObservatoriesJohn D. Howard4 Jul 2019, 21:34
Re: Coordinate precision // SARBrad Morris4 Jul 2019, 21:02
Re: Coordinate precision // SARBrad Morris4 Jul 2019, 20:28
Re: Coordinate precision // SARBrad Morris4 Jul 2019, 20:27
Re: Ancient ObservatoriesAlexandre Eremenko4 Jul 2019, 19:58
Optical bench for sextants?Ed Popko4 Jul 2019, 19:18
Re: Coordinate precision // SARGrant Nixon4 Jul 2019, 18:43
Re: Coordinate precision // SARJames F Campbell4 Jul 2019, 18:04
Ancient ObservatoriesAlbert Jacobs4 Jul 2019, 17:15
Coordinate precision // SARBrad Morris4 Jul 2019, 15:19
Re: AzimuthsGrant Nixon4 Jul 2019, 12:10
Re: Coordinate precisionMike Mayer4 Jul 2019, 12:08
Re: Coordinate precisionPeter Monta4 Jul 2019, 08:29
Re: Coordinate precisionPaul Hirose3 Jul 2019, 23:37
Re: Sight reduction using a calculator's POL (arctan2) key - RevisitedGreg Rudzinski3 Jul 2019, 22:22
Re: AzimuthsFrancis Upchurch3 Jul 2019, 19:03
Re: AzimuthsBrad Morris3 Jul 2019, 16:45
Re: What makes man a Navigator?Robert VanderPol II3 Jul 2019, 12:54
Re: Coordinate precisionEd Popko3 Jul 2019, 09:47
Re: AzimuthsDavid Pike3 Jul 2019, 08:35
Re: What makes man a Navigator?Tony Oz3 Jul 2019, 08:05
Re: AzimuthsBrian Walton3 Jul 2019, 04:46
Re: Coordinate precisionBrad Morris3 Jul 2019, 04:40
Re: Japanese bubble sextant or else ?Sean C3 Jul 2019, 04:23
Re: Coordinate precisionFrank Reed3 Jul 2019, 00:53
Re: What makes man a Navigator?Robert VanderPol II3 Jul 2019, 00:26
Re: AzimuthsDavid Iwancio2 Jul 2019, 22:17
Re: AzimuthsBrad Morris2 Jul 2019, 16:24
Re: What makes man a Navigator?Tony Oz2 Jul 2019, 13:59
Re: What makes man a Navigator?Greg Rudzinski2 Jul 2019, 13:32
Re: What makes man a Navigator?Herman Dekker2 Jul 2019, 09:31
Re: What makes man a Navigator?Jeremy C2 Jul 2019, 09:10
Coordinate precisionBob Crawley2 Jul 2019, 08:25
Re: What makes man a Navigator?Robert VanderPol II2 Jul 2019, 04:44
Re: Finding stars in daylightPaul Jackson2 Jul 2019, 02:44
Re: Japanese bubble sextant or else ?Eric van der Veen1 Jul 2019, 20:41
Finding stars in daylightFred Hebard1 Jul 2019, 19:18
What makes man a Navigator?Tony Oz1 Jul 2019, 12:01
Re: Sight reduction using a calculator's POL (arctan2) key - RevisitedTony Oz1 Jul 2019, 09:36
Re: Japanese bubble sextant or else ?Luc Van den Borre1 Jul 2019, 08:50
Re: Japanese bubble sextant or else ?Eric van der Veen1 Jul 2019, 07:13
Re: AzimuthsBrian Walton1 Jul 2019, 05:23
Re: Navigator's slide ruleAlan S1 Jul 2019, 04:19
Japanese bubble sextant or else ?Eric van der Veen30 Jun 2019, 22:29
Re: Sight reduction using a calculator's POL (arctan2) key - RevisitedGreg Rudzinski30 Jun 2019, 20:10
Re: CP-300/U USAF Star FinderThomas Spidle30 Jun 2019, 19:54
Re: CP-300/U USAF Star FinderBrad Morris30 Jun 2019, 19:08
AzimuthsBrad Morris30 Jun 2019, 18:59
Re: CP-300/U USAF Star FinderFrank Reed30 Jun 2019, 17:50
Re: CP-300/U USAF Star FinderGary LaPook30 Jun 2019, 17:17
Re: CP-300/U USAF Star FinderBrad Morris30 Jun 2019, 14:19
Sight reduction using a calculator's POL (arctan2) key - RevisitedGreg Rudzinski30 Jun 2019, 13:44
Re: Constellations in "Moana"Tony Oz30 Jun 2019, 10:09
Re: Constellations in "Moana"Brian Walton30 Jun 2019, 06:15
Re: CP-300/U USAF Star FinderGary LaPook30 Jun 2019, 04:39
Re: CP-300/U USAF Star FinderTony Oz29 Jun 2019, 23:29
Re: Constellations in "Moana"Frank Reed29 Jun 2019, 21:20
Re: Constellations in "Moana"Brad Morris29 Jun 2019, 17:37
Re: Constellations in "Moana"Brad Morris29 Jun 2019, 14:32
Re: CP-300/U USAF Star FinderGary LaPook29 Jun 2019, 07:32
Re: Constellations in "Moana"Frank Reed29 Jun 2019, 03:46
Re: Indian Astronomical Ephemeris as a "Retro Almanac"Frank Reed29 Jun 2019, 03:20
Re: Indian Astronomical Ephemeris as a "Retro Almanac"Brad Morris29 Jun 2019, 00:55
Re: CP-300/U USAF Star FinderBrad Morris29 Jun 2019, 00:40
Re: CP-300/U USAF Star FinderBrad Morris29 Jun 2019, 00:13
Re: Constellations in "Moana"Tony Oz28 Jun 2019, 21:31
Re: Constellations in "Moana"Robert H. van Gent28 Jun 2019, 07:46
Re: Constellations in "Moana"Robert H. van Gent28 Jun 2019, 07:39
Re: CP-300/U USAF Star FinderTony Oz28 Jun 2019, 07:37
Re: CP-300/U USAF Star FinderRobert VanderPol II28 Jun 2019, 01:32
Re: CP-300/U USAF Star FinderBrad Morris27 Jun 2019, 17:44
Re: CP-300/U USAF Star FinderEd Popko27 Jun 2019, 10:52
Constellations in "Moana"Tony Oz27 Jun 2019, 09:45
Re: Indian Astronomical Ephemeris as a "Retro Almanac"Tony Oz27 Jun 2019, 08:20
Re: CP-300/U USAF Star FinderTony Oz27 Jun 2019, 08:14
N(x) Table and Small AnglesDavid Iwancio27 Jun 2019, 06:24
Re: Henry Hughes Sextant (No. 5154)Fred Hebard27 Jun 2019, 00:23
Re: Yogurt Sky: Navigational StarsFrank Reed26 Jun 2019, 23:33
Re: Henry Hughes Sextant (No. 5154)Hewitt Schlereth26 Jun 2019, 23:30
Re: CP-300/U USAF Star FinderAlan S26 Jun 2019, 21:25
Re: CP-300/U USAF Star FinderBrad Morris26 Jun 2019, 19:31
Re: CP-300/U USAF Star FinderTony Oz26 Jun 2019, 12:43
Indian Astronomical Ephemeris as a "Retro Almanac"David Iwancio26 Jun 2019, 07:36
Re: Lost at Sea with a sextant puzzleZane Grey26 Jun 2019, 00:00
Re: CP-300/U USAF Star FinderBrad Morris25 Jun 2019, 19:02
Re: Lost at Sea with a sextant puzzleBrad Morris25 Jun 2019, 18:53
Re: CP-300/U USAF Star FinderTony Oz25 Jun 2019, 10:44
Re: Lost at Sea with a sextant puzzleIgor S.25 Jun 2019, 00:13
Re: Lost at Sea with a sextant puzzleBrad Morris25 Jun 2019, 00:00
Re: Lost at Sea with a sextant puzzleRoger W. Sinnott24 Jun 2019, 23:51
Re: Lost at Sea with a sextant puzzleIgor S.24 Jun 2019, 23:49
Re: Lost at Sea with a sextant puzzleTom Sult24 Jun 2019, 22:53
Re: Lost at Sea with a sextant puzzleZane Grey24 Jun 2019, 22:17
Re: Lost at Sea with a sextant puzzleDavid Pike24 Jun 2019, 21:20
Re: Lost at Sea with a sextant puzzleBill Ritchie24 Jun 2019, 20:25
Re: Navigator's slide ruleBob Goethe24 Jun 2019, 19:09
Re: Lost at Sea with a sextant puzzleDoug MacPherson24 Jun 2019, 17:10
Re: Yogurt Sky: Navigational StarsRobin Stuart24 Jun 2019, 13:08
Re: Lost at Sea with a sextant puzzleTony Oz24 Jun 2019, 10:36
Re: Lost at Sea with a sextant puzzleGeoffrey Kolbe24 Jun 2019, 05:30
Re: Lost at Sea with a sextant puzzleBrad Morris24 Jun 2019, 05:25
Navigator's slide ruleAlan S24 Jun 2019, 02:48
Re: Lost at Sea with a sextant puzzleFred Hebard24 Jun 2019, 02:02
Re: Lost at Sea with a sextant puzzleFred Hebard24 Jun 2019, 01:58
Re: Lost at Sea with a sextant puzzleIgor S.23 Jun 2019, 23:04
Re: Lost at Sea with a sextant puzzleBrad Morris23 Jun 2019, 19:27
Re: Lost at Sea with a sextant puzzleGreg Rudzinski23 Jun 2019, 14:52
Re: Lost at Sea with a sextant puzzleGeoffrey Kolbe23 Jun 2019, 12:18
Re: Lost at Sea with a sextant puzzleDavid Iwancio23 Jun 2019, 11:50
Re: Lost at Sea with a sextant puzzleAlexandre Eremenko23 Jun 2019, 06:09
Re: Lost at Sea with a sextant puzzleAlexandre Eremenko23 Jun 2019, 05:40
Re: Lost at Sea with a sextant puzzleBrad Morris23 Jun 2019, 03:46
Lost at Sea with a sextant puzzleDoug MacPherson23 Jun 2019, 01:55
Re: Yogurt Sky: Navigational StarsDave Walden22 Jun 2019, 11:08
Re: Peculiar definition of sun set/riseBrad Morris22 Jun 2019, 02:58
Re: Yogurt Sky: Navigational StarsDave Walden22 Jun 2019, 01:31
Peculiar definition of sun set/risePaul Hirose22 Jun 2019, 00:45
Re: C&P bubble sextant - practical issuesIgor S.21 Jun 2019, 23:59
Re: Circumference of the Earth, 240BCHewitt Schlereth21 Jun 2019, 20:24
Re: Azimuth graphGreg Rudzinski21 Jun 2019, 18:10
Re: Azimuth graphGreg Rudzinski21 Jun 2019, 14:45
Re: Azimuth graphGreg Rudzinski21 Jun 2019, 14:38
Re: Yogurt Sky: Navigational StarsRobin Stuart21 Jun 2019, 14:36
Re: Yogurt Sky: Navigational StarsRobin Stuart21 Jun 2019, 14:10
Re: Lunars "data collection form"Andrés Ruiz21 Jun 2019, 10:42
Re: Lunars "data collection form"Jeremy C21 Jun 2019, 10:08
Re: Azimuth graphAndrés Ruiz21 Jun 2019, 09:35
Re: Lunars "data collection form"Brad Morris21 Jun 2019, 03:11
Yogurt Sky: Navigational StarsFrank Reed21 Jun 2019, 02:04
Azimuth graphBrian Bagnetto20 Jun 2019, 23:31
Lunars "data collection form"Steve E. Bryant20 Jun 2019, 20:04
Circumference of the Earth, 240BCBob Goethe20 Jun 2019, 19:04
What is my latitude?David C20 Jun 2019, 09:11
Re: Dating Hughes and Son sextantsFred Hebard19 Jun 2019, 02:09
Re: Dating Hughes and Son sextantsPaul S18 Jun 2019, 17:12
Re: GPS Anti Spoof Pro, for iOSFrank Reed17 Jun 2019, 20:27
Re: C&P bubble sextant - practical issuesPosth P17 Jun 2019, 16:04
Re: C&P bubble sextant - practical issuesBill Morris17 Jun 2019, 02:53
Re: C&P bubble sextant - practical issuesIgor S.16 Jun 2019, 22:10
Re: GPS Anti Spoof Pro, for iOSLu Abel16 Jun 2019, 17:55
Re: GPS Anti Spoof Pro, for iOSFrank Reed16 Jun 2019, 00:09
Re: How to round?Brad Morris14 Jun 2019, 18:23
Re: C&P bubble sextant - practical issuesRobert Eno14 Jun 2019, 15:46
Re: How to round?Tony Oz14 Jun 2019, 08:38
Re: How to round?Tony Oz14 Jun 2019, 08:22
Re: How to round?Frank Reed14 Jun 2019, 01:17
Re: How to round?David C14 Jun 2019, 00:39
Re: How to round?Ed Popko14 Jun 2019, 00:23
Re: How to round?Brad Morris13 Jun 2019, 23:27
Re: How to round?Paul Hirose13 Jun 2019, 23:12
Re: How to round?Pete Solon Palmer13 Jun 2019, 22:23
Re: How to round?Tony Oz13 Jun 2019, 22:10
Re: How to round?Brad Morris13 Jun 2019, 16:55
C&P bubble sextant - practical issuesIgor S.13 Jun 2019, 13:39
Re: How to round?Robert VanderPol II13 Jun 2019, 13:36
Re: How to round?David Pike13 Jun 2019, 13:27
Re: How to round?Tony Oz13 Jun 2019, 08:06
Re: How to round?Gary LaPook13 Jun 2019, 05:18
Re: How to round?Brad Morris13 Jun 2019, 01:02
Re: How to round?Igor S.13 Jun 2019, 00:12
Re: How to round?Frank Reed12 Jun 2019, 23:53
Re: How to round?Tony Oz12 Jun 2019, 22:56
Re: How to round?Brad Morris12 Jun 2019, 19:37
Re: How to round?Tony Oz12 Jun 2019, 19:04
Re: How to round?Roger W. Sinnott12 Jun 2019, 18:39
Re: How to round?Frank Reed12 Jun 2019, 18:04
How to round?Tony Oz12 Jun 2019, 17:53
Rudder commandsPaul Hirose12 Jun 2019, 05:06
Re: Greenwich 19th and 20th c conventionsDavid C11 Jun 2019, 22:27
Re: GPS Anti Spoof AppFrank Reed11 Jun 2019, 22:14
Re: Greenwich 19th and 20th c conventionsDavid C11 Jun 2019, 22:03
GPS Anti Spoof AppJackson McDonald11 Jun 2019, 20:29
Re: Using the Anti Spoofing AppBrad Morris11 Jun 2019, 18:46
Re: Using the Anti Spoofing AppSteve E. Bryant11 Jun 2019, 17:48
Re: Asymmetry in i.c.Tony Oz11 Jun 2019, 16:18
Re: Using the Anti Spoofing AppJohn D. Howard11 Jun 2019, 15:47
Re: NA: the combined effects of parallax and refraction?Tony Oz11 Jun 2019, 15:20
Re: NA: the combined effects of parallax and refraction?Tony Oz11 Jun 2019, 15:14
Re: Asymmetry in i.c.Igor S.11 Jun 2019, 08:58
Re: Greenwich 19th and 20th c conventionsZane Grey11 Jun 2019, 06:41
Re: Stellarium Program as practice toolZane Grey11 Jun 2019, 06:04
Re: GPS Anti Spoof Pro, for iOSZane Grey11 Jun 2019, 05:44
Using the Anti Spoofing AppSteve E. Bryant11 Jun 2019, 04:49
Re: Greenwich 19th and 20th c conventionsPaul Hirose10 Jun 2019, 23:08
Re: Android App for celestial navigation, free betaPete Solon Palmer10 Jun 2019, 20:30
Re: Calculators, cosines, and floating point computationBrad Morris10 Jun 2019, 18:39
Re: Calculators, cosines, and floating point computationFrank Reed10 Jun 2019, 16:29
Re: Greenwich 19th and 20th c conventionsFrank Reed10 Jun 2019, 16:07
Re: NA: the combined effects of parallax and refraction?Frank Reed10 Jun 2019, 15:56
Re: Please recommend a good book or on-line courseFrank Reed10 Jun 2019, 15:39
Re: Calculators, cosines, and floating point computationBrad Morris10 Jun 2019, 13:50
Greenwich 19th and 20th c conventionsEd Popko10 Jun 2019, 13:16
NA: the combined effects of parallax and refraction?Tony Oz10 Jun 2019, 12:44
Re: In memoriam: Yves Robin-Jouandjamel ait amrane10 Jun 2019, 10:14
Re: Please recommend a good book or on-line courseTony Oz10 Jun 2019, 10:13
Re: Calculators, cosines, and floating point computationPaul Hirose10 Jun 2019, 06:56
Re: Please recommend a good book or on-line courseGeoffrey Kolbe10 Jun 2019, 05:27
Re: GPS Anti Spoof Pro, for iOSHewitt Schlereth10 Jun 2019, 03:45
Re: Android App for celestial navigation, free betaBrad Morris10 Jun 2019, 02:37
Re: GPS degraded?Lu Abel10 Jun 2019, 02:17
Re: Please recommend a good book or on-line courseBrad Morris10 Jun 2019, 01:33
Re: Android App for celestial navigation, free betaAlan S10 Jun 2019, 01:31
GPS degraded?Jackson McDonald10 Jun 2019, 00:32
Re: Stark's Lunar Tables: log decJeremy Clark9 Jun 2019, 21:56
Re: Please recommend a good book or on-line courseDavid Pike9 Jun 2019, 20:59
Re: Stark's Lunar Tables: log decJeremy Clark9 Jun 2019, 20:48
Re: Stark's Lunar Tables: log decFrank Reed9 Jun 2019, 20:33
Re: Please recommend a good book or on-line courseGeoffrey Kolbe9 Jun 2019, 16:24
Re: Artificial horizon plexiglass windscreen and refraction?Greg Rudzinski9 Jun 2019, 16:07
Stark's Lunar Tables: log decJeremy Clark9 Jun 2019, 14:56
Re: Artificial horizon plexiglass windscreen and refraction?John D. Howard9 Jun 2019, 13:52
Re: Artificial horizon plexiglass windscreen and refraction?Brad Morris9 Jun 2019, 13:50
Engineer of Apollo Sextant, in the newsBrad Morris9 Jun 2019, 13:35
Re: GPS Anti Spoof Pro, for iOSTony Oz9 Jun 2019, 11:25
Artificial horizon plexiglass windscreen and refraction?Joe Suligoy9 Jun 2019, 04:08
Re: GPS Anti Spoof Pro, for iOSTom Sult9 Jun 2019, 02:01
GPS Anti Spoof Pro, for iOSFrank Reed9 Jun 2019, 01:22
Re: Stellarium Program as practice toolFrank Reed8 Jun 2019, 17:39
Re: Asymmetry in i.c.Greg Rudzinski8 Jun 2019, 11:28
Re: Asymmetry in i.c.Tony Oz8 Jun 2019, 09:34
Re: Stellarium Program as practice toolZane Grey8 Jun 2019, 07:09
Re: Asymmetry in i.c.Brad Morris8 Jun 2019, 04:19
Re: Stellarium Program as practice toolFrank Reed8 Jun 2019, 03:08
Re: Stellarium Program as practice toolFrank Reed8 Jun 2019, 03:03
Asymmetry in i.c.Igor S.8 Jun 2019, 01:30
Re: Stellarium Program as practice toolJerry Mason7 Jun 2019, 22:11
Re: Tide calculationFrank Reed7 Jun 2019, 21:37
Re: Nautical Miles and ApolloFrank Reed7 Jun 2019, 21:29
Nautical Miles and ApolloRobin Stuart7 Jun 2019, 20:21
Re: Stellarium Program as practice toolZane Grey7 Jun 2019, 20:16
Re: Please recommend a good book or on-line courseJerry Mason7 Jun 2019, 19:37
Re: Stellarium Program as practice toolFrank Reed7 Jun 2019, 19:34
Stellarium Program as practice toolJerry Mason7 Jun 2019, 18:22
Longitude by Lunar Distance (Online article)Andrés Ruiz7 Jun 2019, 12:53
Re: Mark-IX-A bubble sextant calibration station detailsDavid Pike7 Jun 2019, 08:23
Re: Mark-IX-A bubble sextant calibration station detailsJean Villemagne7 Jun 2019, 01:16
Re: Radar sundialEd Popko6 Jun 2019, 23:48
Re: Radar sundialFrank Reed6 Jun 2019, 17:49
Radar sundialJackson McDonald6 Jun 2019, 17:19
Re: Calculators, cosines, and floating point computationPete Solon Palmer5 Jun 2019, 21:09
Re: Navigation books in Frenchdjamel ait amrane5 Jun 2019, 17:19
Re: Navigation books in FrenchAntoine Couëtte5 Jun 2019, 17:10
Navigation books in FrenchAndrés Ruiz5 Jun 2019, 12:32
Re: Tide calculationGeoff Hitchcox5 Jun 2019, 06:12
Re: Calculators, cosines, and floating point computationPaul Hirose5 Jun 2019, 06:10
Re: Early Air Navigation with RDFGary LaPook4 Jun 2019, 22:35
Re: Early Air Navigation with RDFGary LaPook4 Jun 2019, 22:29
Re: Northern Limits of Magnetic Compass UsefulnessGary LaPook4 Jun 2019, 22:19
Re: Mark-IX-A bubble sextant calibration station detailsDavid Pike4 Jun 2019, 20:09
Re: Old batteries from WWII found in a MARK-IX-A handleDavid Pike4 Jun 2019, 20:05
Re: Calculators, cosines, and floating point computationBrad Morris4 Jun 2019, 18:41
Re: Calculators, cosines, and floating point computationFrank Reed4 Jun 2019, 18:20
Re: Calculators, cosines, and floating point computationBrad Morris4 Jun 2019, 17:09
A better calculator than a CASIO fx-260 Solar?Tony Oz4 Jun 2019, 13:59
Re: Calculators, cosines, and floating point computationTony Oz4 Jun 2019, 10:55
Re: Tide calculationGeoff Hitchcox4 Jun 2019, 04:06
Re: Tide calculationGeoff Hitchcox4 Jun 2019, 01:44
Navigator's Course ProtractorsRobin Stuart3 Jun 2019, 17:55
Re: Calculators, cosines, and floating point computationBrad Morris3 Jun 2019, 16:23
Tide calculationFrank Reed3 Jun 2019, 16:14
Re: Calculators, cosines, and floating point computationTony Oz3 Jun 2019, 15:08
Re: Calculators, cosines, and floating point computationFrank Reed3 Jun 2019, 14:50
Re: Calculators, cosines, and floating point computationBrad Morris3 Jun 2019, 14:45
Re: Calculators, cosines, and floating point computationGreg Rudzinski3 Jun 2019, 13:09
Re: Calculators, cosines, and floating point computationGreg Rudzinski3 Jun 2019, 12:12
Re: Calculators, cosines, and floating point computationTony Oz3 Jun 2019, 09:43
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechPeter Monta3 Jun 2019, 04:16
Re: Calculators, cosines, and floating point computationRobert VanderPol II3 Jun 2019, 03:44
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechFrank Reed3 Jun 2019, 01:56
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechPeter Monta3 Jun 2019, 01:28
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechPeter Monta3 Jun 2019, 01:20
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechPeter Monta3 Jun 2019, 01:03
Calculators, cosines, and floating point computationFrank Reed2 Jun 2019, 21:10
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechZane Grey2 Jun 2019, 07:28
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechFrancis Upchurch2 Jun 2019, 05:53
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechFrancis Upchurch2 Jun 2019, 05:28
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechTom Sult2 Jun 2019, 03:34
Mark-IX-A bubble sextant calibration station detailsJean Villemagne2 Jun 2019, 01:19
Old batteries from WWII found in a MARK-IX-A handleJean Villemagne2 Jun 2019, 01:02
US WW2 Fairchild Maxson Mk1 Line of Position Navigational ComputerEd Popko1 Jun 2019, 16:12
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechZane Grey1 Jun 2019, 12:59
Re: CP-300/U USAF Star FinderEd Popko1 Jun 2019, 12:22
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechFrancis Upchurch1 Jun 2019, 05:51
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechIgor S.1 Jun 2019, 01:15
Re: Air Force Lab Plans R&D into Celestial-Aided Navigation TechA Grey31 May 2019, 20:37
Re: Calculator forensicsTony Oz31 May 2019, 20:26
Re: CP-300/U USAF Star FinderTony Oz31 May 2019, 16:42
Air Force Lab Plans R&D into Celestial-Aided Navigation TechRichard B. Langley31 May 2019, 13:29
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne31 May 2019, 13:20
Re: Calculator forensicsBrad Morris31 May 2019, 02:00
CP-300/U USAF Star FinderEd Popko30 May 2019, 16:07
Re: Calculator forensicsTony Oz30 May 2019, 14:16
Re: Henry Hughes Sextant (No. 5154)Brad Morris30 May 2019, 02:45
Map by Cook's Tahitian Navigator Finally UnlockedSean C30 May 2019, 02:21
Re: Please recommend a good book or on-line courseHewitt Schlereth30 May 2019, 00:19
Re: Henry Hughes Sextant (No. 5154)Kostas B29 May 2019, 23:23
Re: Henry Hughes Sextant (No. 5154)David Pike29 May 2019, 22:28
Re: Henry Hughes Sextant (No. 5154)Michael Bradley29 May 2019, 22:12
Re: Henry Hughes Sextant (No. 5154)Frank Reed29 May 2019, 21:05
Re: Henry Hughes Sextant (No. 5154)Brad Morris29 May 2019, 18:45
Re: Calculator forensicsBrad Morris29 May 2019, 18:32
Re: Please recommend a good book or on-line courseBrad Morris29 May 2019, 18:09
Re: Which stars are circumpolar at 52 N?djamel ait amrane29 May 2019, 17:51
Re: Which stars are circumpolar at 52 N?Brad Morris29 May 2019, 17:44
Re: Mark-IX-A bubble sextant calibration reportDavid Pike29 May 2019, 15:47
Re: Please recommend a good book or on-line courseJoe Suligoy29 May 2019, 14:43
Which stars are circumpolair at 52° N?Herman Dekker29 May 2019, 14:10
Re: Please recommend a good book or on-line courseBruce J. Pennino29 May 2019, 13:59
Calculator forensicsTony Oz29 May 2019, 13:04
Re: Please recommend a good book or on-line courseIgor S.29 May 2019, 12:13
Re: Please recommend a good book or on-line courseDavid Pike29 May 2019, 11:41
Re: Please recommend a good book or on-line courseFrancis Upchurch29 May 2019, 05:34
Re: Please recommend a good book or on-line courseDoug MacPherson29 May 2019, 04:21
Re: Please recommend a good book or on-line courseDrago Simac28 May 2019, 21:52
Re: Please recommend a good book or on-line courseJohn D. Howard28 May 2019, 18:14
Re: Please recommend a good book or on-line courseA Grey28 May 2019, 16:57
Please recommend a good book or on-line courseJerry Woodward28 May 2019, 16:05
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne28 May 2019, 12:59
Henry Hughes Sextant (No. 5154)Kostas B28 May 2019, 10:26
Re: Das Boot film and sextantIgor S.28 May 2019, 09:17
Re: Lunar distance presetting exercisePaul Hirose27 May 2019, 21:02
Re: SpaceX Starlink Satellites & AHFrank Reed27 May 2019, 18:11
Re: Lunar distance presetting exerciseFrank Reed27 May 2019, 18:06
Re: Mark-IX-A bubble sextant calibration reportDavid Pike27 May 2019, 09:55
Re: Lunar distance presetting exerciseAntoine Couëtte27 May 2019, 07:58
Re: SpaceX Starlink Satellites & AHFrank Reed26 May 2019, 22:56
SpaceX Starlink Satellites & AHIgor S.26 May 2019, 21:50
Re: Celestial Navigation in the MoviesJörg Reinhardt26 May 2019, 21:08
Re: Lunar distance presetting exercisePeter Hakel26 May 2019, 20:40
Re: Lunar distance presetting exerciseFrank Reed26 May 2019, 18:21
Lunar distance presetting exercisePeter Hakel26 May 2019, 16:30
Re: Sight tube: cross-wires repair?Tony Oz25 May 2019, 20:05
Re: Sight tube: cross-wires repair?Örjan Sandström25 May 2019, 08:42
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne25 May 2019, 01:27
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne24 May 2019, 21:55
Re: Mark-IX-A bubble sextant calibration reportDavid Pike24 May 2019, 21:24
Re: Mark-IX-A bubble sextant calibration reportDavid Pike24 May 2019, 19:47
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne24 May 2019, 19:21
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne24 May 2019, 17:31
Re: Mark-IX-A bubble sextant calibration reportDavid Pike24 May 2019, 16:45
Re: Mark-IX-A bubble sextant calibration reportDavid Pike24 May 2019, 13:19
Re: Sight tube: cross-wires repair?Tony Oz24 May 2019, 08:46
Re: Mark-IX-A bubble sextant calibration reportJean Villemagne23 May 2019, 22:45
Re: Easy star-to-star distance correctionsEd Popko23 May 2019, 21:52
Re: Sight tube: cross-wires repair?Örjan Sandström23 May 2019, 21:22
Sight tube: cross-wires repair?Tony Oz23 May 2019, 18:43
Re: Easy star-to-star distance correctionsHerman Dekker23 May 2019, 07:18
Re: Mark-IX-A bubble sextant calibration reportBrad Morris23 May 2019, 02:37
Mark-IX-A bubble sextant calibration reportJean Villemagne23 May 2019, 01:14
Re: Easy star-to-star distance correctionsAlexandre Eremenko22 May 2019, 22:18
Re: Easy star-to-star distance correctionsAlexandre Eremenko22 May 2019, 20:30
Re: Easy star-to-star distance correctionsMichael Bradley22 May 2019, 19:27
Re: Easy star-to-star distance correctionsFrank Reed22 May 2019, 19:18
Re: Easy star-to-star distance correctionsHerman Dekker22 May 2019, 15:23
Star-to-star distances: apps, software, spreadsheetsAndrés Ruiz22 May 2019, 09:52
Re: Easy star-to-star distance correctionsTony Oz22 May 2019, 08:34
Re: Star-to-star distance for sextant calibration?Tony Oz22 May 2019, 08:29
Re: Star-to-star distance for sextant calibration?Paul Hirose22 May 2019, 05:47
Easy star-to-star distance correctionsFrank Reed21 May 2019, 23:38
Naval ChronicleBob Goethe21 May 2019, 20:59
Re: Star-to-star distance for sextant calibration?Tony Oz21 May 2019, 17:30
Re: Star-to-star distance for sextant calibration?Alexandre Eremenko21 May 2019, 12:41
Re: Astronomical panorama location and dateAntoine Couëtte21 May 2019, 10:52
Re: Star-to-star distance for sextant calibration?Tony Oz21 May 2019, 08:36
Re: Astronomical panorama location and dateRobert H. van Gent21 May 2019, 07:58
Re: Star-to-star distance for sextant calibration?Brad Morris21 May 2019, 02:23
Re: Star-to-star distance for sextant calibration?Paul Hirose20 May 2019, 22:50
Re: Star-to-star distance for sextant calibration?Tony Oz20 May 2019, 21:08
Re: What do you do if horizon is not reliable?Igor S.20 May 2019, 20:59
Re: Star-to-star distance for sextant calibration?Tony Oz20 May 2019, 20:42
Re: Star-to-star distance for sextant calibration?Lars Bergman20 May 2019, 20:41
Re: Astronomical panorama location and dateAntoine Couëtte20 May 2019, 20:29
Re: Das Boot film and sextantBrad Morris20 May 2019, 19:07
Re: Astronomical panorama location and dateBrad Morris20 May 2019, 19:06
Re: Star-to-star distance for sextant calibration?Tony Oz20 May 2019, 18:26
Re: Star-to-star distance for sextant calibration?Michael Bradley20 May 2019, 18:20
Re: Star-to-star distance for sextant calibration?Michael Bradley20 May 2019, 18:05
Das Boot film and sextantAndrés Ruiz20 May 2019, 12:26
Re: Astronomical panorama location and dateRobert H. van Gent20 May 2019, 09:26
Re: What do you do if horizon is not reliable?Tony Oz20 May 2019, 08:14
Star-to-star distance for sextant calibration?Tony Oz20 May 2019, 00:26
Re: What do you do if horizon is not reliable?Igor S.19 May 2019, 20:26
Re: Astronomical panorama location and dateAntoine Couëtte19 May 2019, 12:48
Re: Celestial statistical fixdjamel ait amrane19 May 2019, 12:21
Re: Astronomical panorama location and dateAntoine Couëtte19 May 2019, 11:13
Re: Deneb, Altair and SaturnAndrés Ruiz19 May 2019, 09:44
Re: Celestial statistical fixAndrés Ruiz19 May 2019, 09:39
Re: Modern Celestial at Mystic Seaport, May 18-19Herman Dekker19 May 2019, 08:10
Re: Astronomical panorama location and dateFrank Reed18 May 2019, 22:33
Re: What do you do if horizon is not reliable?Tony Oz18 May 2019, 21:05
Re: Astronomical panorama location and dateBrad Morris18 May 2019, 18:33
Astronomical panorama location and dateFrank Reed18 May 2019, 17:48
Re: What do you do if horizon is not reliable?Geoffrey Kolbe18 May 2019, 16:33
What do you do if horizon is not reliable?Tony Oz18 May 2019, 08:51
Re: Deneb, Altair and SaturnFrank Reed17 May 2019, 17:08
Details of Freiberger AHIgor S.17 May 2019, 16:52
Celestial statistical fixdjamel ait amrane17 May 2019, 13:04
Re: Deneb, Altair and SaturnAntoine Couëtte17 May 2019, 08:23
Re: Is it possible to improve the presentation of this forum ?Sean C17 May 2019, 05:39
Re: Is it possible to improve the presentation of this forum ?John D. Howard17 May 2019, 03:08
Re: Is it possible to improve the presentation of this forum ?David C17 May 2019, 02:34
Re: Is it possible to improve the presentation of this forum ?David C17 May 2019, 02:16
Re: I.C. and sunspotIgor S.17 May 2019, 01:12
Re: Navigation Library for sale (K Gebhart)Sean C17 May 2019, 01:09
Sextant adjustment (again)Ed Popko16 May 2019, 23:45
Re: Deneb, Altair and SaturnFrank Reed16 May 2019, 23:31
Re: Logarithms: adding tenEd Popko16 May 2019, 23:09
Re: Navigation Library for sale (K Gebhart)Ken Gebhart16 May 2019, 21:26
Re: Deneb, Altair and SaturnPaul Hirose16 May 2019, 20:03
Re: UL vs LL: which is which when an artificial horizon is involved?Tony Oz16 May 2019, 18:11
Re: Deneb, Altair and SaturnAntoine Couëtte16 May 2019, 18:03
Re: Logarithms: adding tenDavid Pike16 May 2019, 16:03
Re: Deneb, Altair and SaturnAndrés Ruiz16 May 2019, 13:04
HO-229 AbridgmentJean Villemagne16 May 2019, 01:51
Re: HO-229 Abridgement by Jean VillemagneTony Oz15 May 2019, 21:53
HO-229 Abridgement by Jean VillemagneFrank Reed15 May 2019, 20:26
Navigation Library for sale (K Gebhart)Frank Reed15 May 2019, 20:06
Missed Fryer, found MarryatDavid Pike15 May 2019, 19:53
Re: UL vs LL: which is which when an artificial horizon is involved?Brad Morris15 May 2019, 19:14
Re: Is it possible to improve the presentation of this forum ?David Pike15 May 2019, 18:41
Is it possible to improve the presentation of this forum ?Posth P15 May 2019, 14:39
Re: UL vs LL: which is which when an artificial horizon is involved?Tony Oz15 May 2019, 12:34
Re: Modern Celestial at Mystic Seaport, May 18-19Chris Willmes15 May 2019, 11:58
Deneb, Altair and SaturnAntoine Couëtte15 May 2019, 04:12
Re: Fogging OpticsPaul Dolkas15 May 2019, 04:11
Telegraphic longitudePaul Hirose14 May 2019, 23:10
Re: UL vs LL: which is which when an artificial horizon is involved?Robert VanderPol II14 May 2019, 22:51
Re: UL vs LL: which is which when an artificial horizon is involved?Paul Hirose14 May 2019, 22:32
Re: Modern Celestial at Mystic Seaport, May 18-19Greg Rudzinski14 May 2019, 20:42
Re: Modern Celestial at Mystic Seaport, May 18-19Herman Dekker14 May 2019, 20:11
Re: Modern Celestial at Mystic Seaport, May 18-19Frank Reed14 May 2019, 19:48
Re: Modern Celestial at Mystic Seaport, May 18-19Frank Reed14 May 2019, 19:39
Re: UL vs LL: which is which when an artificial horizon is involved?John D. Howard14 May 2019, 18:46
Re: UL vs LL: which is which when an artificial horizon is involved?Brad Morris14 May 2019, 17:49
UL vs LL: which is which when an artificial horizon is involved?Tony Oz14 May 2019, 11:56
Re: Fogging OpticsTony Oz14 May 2019, 11:41
Re: I.C. and sunspotJeremy C14 May 2019, 10:25
Re: Fogging OpticsBrad Morris14 May 2019, 04:46
Re: Fogging OpticsPaul Dolkas14 May 2019, 04:03
Re: I.C. and sunspotBrian Walton14 May 2019, 03:36
Re: I.C. and sunspotGreg Rudzinski13 May 2019, 19:11
Re: I.C. and sunspotGreg Rudzinski13 May 2019, 18:37
Re: I.C. and sunspotDavid Fleming13 May 2019, 18:00
Re: I.C. and sunspotGreg Rudzinski13 May 2019, 12:38
Re: I.C. and sunspotGreg Rudzinski13 May 2019, 12:08
Re: Fogging OpticsTony Oz13 May 2019, 09:25
Re: George Bennett obituaryDrago Simac13 May 2019, 02:19
Re: HO 211 (Ageton) sight reduction accuracyPaul Hirose12 May 2019, 21:27
Re: I.C. and sunspotFrank Reed12 May 2019, 19:24
I.C. and sunspotIgor S.12 May 2019, 18:47
Re: Modern Celestial at Mystic Seaport, May 18-19Brad Morris12 May 2019, 09:57
Re: Modern Celestial at Mystic Seaport, May 18-19Sean C12 May 2019, 04:35
Re: Modern Celestial at Mystic Seaport, May 18-19John D. Howard12 May 2019, 02:25
Re: Modern Celestial at Mystic Seaport, May 18-19Frank Reed12 May 2019, 02:14
Re: Modern Celestial at Mystic Seaport, May 18-19Brad Morris12 May 2019, 02:00
Re: All Haversine FixTony Oz11 May 2019, 21:40
Re: Lunars by series, quadratic correctionRobin Stuart11 May 2019, 21:03
Re: Lunars by series, quadratic correctionRobin Stuart11 May 2019, 20:56
Re: Logarithms: adding tenFrank Reed11 May 2019, 20:12
Modern Celestial at Mystic Seaport, May 18-19Frank Reed11 May 2019, 19:32
Re: Logarithms: adding tenGreg Rudzinski11 May 2019, 19:20
Re: HO 211 (Ageton) sight reduction accuracyRobert VanderPol II11 May 2019, 16:06
Re: Logarithms: adding tenFrank Reed11 May 2019, 15:40
Re: All Haversine FixTony Oz11 May 2019, 14:48
Logarithms: adding tenEd Popko11 May 2019, 10:44
Re: SofaJpl page is downAntoine Couëtte11 May 2019, 10:06
Re: Lunars by series, quadratic correctionÖrjan Sandström11 May 2019, 10:00
Re: Lunars by series, quadratic correctionFrank Reed11 May 2019, 02:02
Re: SofaJpl page is downPaul Hirose10 May 2019, 22:51
Collimation Error on C&P PlathGreg Rudzinski9 May 2019, 14:13
Re: Lunars by series, quadratic correctionRobin Stuart9 May 2019, 13:36
Re: Single-body fix (at mer-pass): some questionsAndrés Ruiz9 May 2019, 07:01
Re: Titanic's last starsDale Lichtblau9 May 2019, 03:08
Re: Single-body fix (at mer-pass): some questionsTony Oz8 May 2019, 23:45
Re: Congratulations on the Victory Day!Brad Morris8 May 2019, 21:53
Congratulations on the Victory Day!Tony Oz8 May 2019, 21:18
Re: Single-body fix (at mer-pass): some questionsFrank Reed8 May 2019, 21:04
Re: Single-body fix (at mer-pass): some questionsTony Oz8 May 2019, 20:35
Re: Single-body fix (at mer-pass): some questionsTony Oz8 May 2019, 20:26
Nat Geo Botswana sky fake!Paul Saffo8 May 2019, 16:33
Re: Lunars by series, quadratic correctionFrank Reed8 May 2019, 15:55
Re: Single-body fix (at mer-pass): some questionsAndrés Ruiz8 May 2019, 06:52
Re: Lunars by series, quadratic correctionSean C8 May 2019, 04:26
Re: Lunars by series, quadratic correctionFrank Reed7 May 2019, 18:39
Re: Single-body fix (at mer-pass): some questionsFrank Reed7 May 2019, 17:34
Lunars by series, quadratic correctionFrank Reed7 May 2019, 17:15
Single-body fix (at mer-pass): some questionsTony Oz7 May 2019, 17:08
Re: George Bennett obituaryDavid C7 May 2019, 04:09
George Bennett obituaryFrank Reed7 May 2019, 02:11
Re: Life on the OceanEd Popko6 May 2019, 09:42
Re: A good clock for a few billion yearsBill Lionheart6 May 2019, 09:03
Re: A good clock for a few billion yearsRobert VanderPol II6 May 2019, 04:12
Re: A good clock for a few billion yearsDavid C6 May 2019, 04:06
Re: A good clock for a few billion yearsDavid C6 May 2019, 03:53
Re: A good clock for a few billion yearsGeoff Hitchcox6 May 2019, 01:39
A good clock for a few billion yearsFrank Reed5 May 2019, 16:03
Re: Titanic's last starsGeoff Hitchcox5 May 2019, 12:21
Re: Consistent "away" intercepts. Why?Geoffrey Kolbe5 May 2019, 07:44
Re: Life on the OceanFrancis Upchurch5 May 2019, 04:16
Re: Consistent "away" intercepts. Why?David Pike4 May 2019, 22:07
Re: Consistent "away" intercepts. Why?Bill Lionheart4 May 2019, 19:29
Re: SNO-T for export ?Bruce Cutting4 May 2019, 17:05
Re: Consistent "away" intercepts. Why?David Pike4 May 2019, 15:45
Re: Life on the OceanDavid Pike4 May 2019, 15:40
Re: Consistent "away" intercepts. Why?Geoffrey Kolbe4 May 2019, 08:37
Re: SNO-T for export ?Bruno Meier4 May 2019, 07:01
Re: Life on the OceanFrancis Upchurch4 May 2019, 06:25
Re: Life on the OceanLuc Van den Borre3 May 2019, 21:08
Re: SNO-T for export ?Ken Gebhart3 May 2019, 20:25
Re: SNO-T for export ?Bruno Meier3 May 2019, 18:55
Re: SNO-T for export ?Bruce Cutting3 May 2019, 17:40
SNO-T for export ?Bruno Meier3 May 2019, 15:21
Re: Titanic's last starsGeoff Hitchcox3 May 2019, 04:37
Re: Consistent "away" intercepts. Why?Michael Bradley2 May 2019, 22:39
Re: Titanic's last starsDavid C2 May 2019, 21:42
Re: Consistent "away" intercepts. Why?David Pike2 May 2019, 21:30
Re: Titanic's last starsDon Seltzer2 May 2019, 21:04
Re: Consistent "away" intercepts. Why?John D. Howard2 May 2019, 21:03
Re: Consistent "away" intercepts. Why?Bill Lionheart2 May 2019, 15:49
Re: Titanic's last starsGreg Rudzinski2 May 2019, 15:11
Re: Titanic's last starsBrad Morris2 May 2019, 13:43
Re: Titanic's last starsDavid C2 May 2019, 10:30
Re: Consistent "away" intercepts. Why?Tony Oz2 May 2019, 09:04
Re: Titanic's last starsGeoff Hitchcox2 May 2019, 01:03
Re: Titanic's last starsBrad Morris2 May 2019, 00:41
Re: Titanic's last starsPaul Hirose1 May 2019, 23:27
Re: Consistent "away" intercepts. Why?Greg Rudzinski1 May 2019, 22:45
Re: Consistent "away" intercepts. Why?Frank Reed1 May 2019, 22:32
Re: Titanic's last starsFrank Reed1 May 2019, 22:25
Consistent "away" intercepts. Why?Tony Oz1 May 2019, 20:17
Re: Titanic's last starsBrad Morris1 May 2019, 17:10
Re: Titanic's last starsGreg Rudzinski1 May 2019, 11:27
Re: Earthrise.Francis Upchurch1 May 2019, 07:20
Re: Earthrise.Francis Upchurch1 May 2019, 07:03
Re: Early Air Navigation with RDFPaul Dolkas1 May 2019, 04:32
Re: Earthrise.Paul Dolkas1 May 2019, 04:32
Re: Earthrise.Robert VanderPol II1 May 2019, 04:21
Re: Titanic's last starsGeoff Hitchcox1 May 2019, 02:32
Re: Can humans sense the earth's magnetic field?Frank Reed30 Apr 2019, 17:49
Re: Earthrise.Frank Reed30 Apr 2019, 17:45
Re: Early Air Navigation with RDFDavid Pike29 Apr 2019, 20:28
Can humans sense the earth's magnetic field?Lu Abel29 Apr 2019, 15:30
Earthrise.Francis Upchurch29 Apr 2019, 13:50
The Sextant ...Ed Popko27 Apr 2019, 21:13
Re: Polariser (photo) filter as a sextant shade - my experience.Tony Oz27 Apr 2019, 20:42
Re: Polariser (photo) filter as a sextant shade - my experience.Ed Popko27 Apr 2019, 16:31
Polariser (photo) filter as a sextant shade - my experience.Tony Oz27 Apr 2019, 09:05
Fwd: Saturn photoHewitt Schlereth24 Apr 2019, 23:32
Re: Troughton and Simms SextantBill Morris24 Apr 2019, 22:00
Re: High Altitude Camera Bris Calibrated TrialsPaul Saffo24 Apr 2019, 19:14
Re: High Altitude Camera Bris Calibrated TrialsGregg Jarrette23 Apr 2019, 20:37
Re: High Altitude Camera Bris Calibrated TrialsGreg Rudzinski23 Apr 2019, 19:08
Re: Article: GPS Jamming, Spoofing, and BackupsGregg Jarrette23 Apr 2019, 18:45
Re: High Altitude Camera Bris Calibrated TrialsGregg Jarrette23 Apr 2019, 18:22
Article: GPS Jamming, Spoofing, and BackupsFrank Reed23 Apr 2019, 18:16
Re: High Altitude Camera Bris Calibrated TrialsGreg Rudzinski23 Apr 2019, 12:17
Re: Comet Donati above Paris 1858Frank Reed23 Apr 2019, 02:08
Re: Early Air Navigation with RDFBrad Morris23 Apr 2019, 00:47
Re: Early Air Navigation with RDFJoe Suligoy22 Apr 2019, 23:14
Re: Early Air Navigation with RDFFrank Reed22 Apr 2019, 15:31
High Altitude Camera Bris Calibrated TrialsGreg Rudzinski22 Apr 2019, 13:29
Re: Early Air Navigation with RDFEd Popko22 Apr 2019, 13:28
Re: First commercial aircraft with GPSEd Popko22 Apr 2019, 12:33
Re: Early Air Navigation with RDFBrad Morris22 Apr 2019, 03:03
Re: Comet Donati above Paris 1858Luc Van den Borre22 Apr 2019, 00:22
Re: Comet Donati above Paris 1858Luc Van den Borre21 Apr 2019, 23:52
Re: First commercial aircraft with GPSDavid Pike21 Apr 2019, 22:43
Re: Early Air Navigation with RDFJoe Suligoy21 Apr 2019, 21:49
Re: Comet Donati above Paris 1858Frank Reed21 Apr 2019, 20:47
Re: Comet Donati above Paris 1858Frank Reed21 Apr 2019, 20:05
Re: First commercial aircraft with GPSPeter Monta21 Apr 2019, 19:33
Re: Comet Donati above Paris 1858Robin Stuart21 Apr 2019, 18:56
Re: Comet Donati above Paris 1858Brad Morris21 Apr 2019, 16:52
Re: Comet Donati above Paris 1858Don Seltzer21 Apr 2019, 15:38
Re: Comet Donati above Paris 1858Robin Stuart21 Apr 2019, 14:28
Re: Comet Donati above Paris 1858Alexandre Eremenko21 Apr 2019, 00:53
Re: First commercial aircraft with GPSFrank Reed20 Apr 2019, 21:45
Re: First commercial aircraft with GPSJohn D. Howard20 Apr 2019, 21:27
Comet Donati above Paris 1858Frank Reed20 Apr 2019, 20:39
First commercial aircraft with GPSEd Popko20 Apr 2019, 10:05
Re: Sun Compass-Interesting UseBob Goethe20 Apr 2019, 02:43
Re: Sun Compass-Interesting UseBruce J. Pennino19 Apr 2019, 13:04
Re: Sun Compass-Interesting UseGeoffrey Kolbe19 Apr 2019, 06:40
Re: Sun Compass-Interesting UseGeoffrey Kolbe19 Apr 2019, 06:22
Re: Sun Compass-Interesting UseBill Morris18 Apr 2019, 22:58
Re: Is All-Haversine SR the be-all and end-all?John D. Howard18 Apr 2019, 18:58
Re: Is All-Haversine SR the be-all and end-all?Greg Rudzinski18 Apr 2019, 14:54
Re: Is All-Haversine SR the be-all and end-all?Greg Rudzinski18 Apr 2019, 14:45
Re: Early Air Navigation with RDFTony Oz18 Apr 2019, 14:43
Re: Early Air Navigation with RDFEd Popko18 Apr 2019, 10:30
Re: Is All-Haversine SR the be-all and end-all?Tony Oz18 Apr 2019, 08:37
Re: Early Air Navigation with RDFDavid C18 Apr 2019, 04:35
Re: GPS Anti Spoof app updateMark Coady18 Apr 2019, 01:48
Re: Early Air Navigation with RDFJacob M. Huffman III17 Apr 2019, 23:09
Re: The Appleyard Course and Distance ComputerAdrian F17 Apr 2019, 21:06
Re: Early Air Navigation with RDFDavid Pike17 Apr 2019, 19:53
Re: Early Air Navigation with RDFPaul Hirose17 Apr 2019, 19:33
Re: Early Air Navigation with RDFDustin Baenen17 Apr 2019, 19:26
Re: Early Air Navigation with RDFKen Gebhart17 Apr 2019, 15:54
Re: Is All-Haversine SR the be-all and end-all?Greg Rudzinski17 Apr 2019, 15:48
Re: Troughton and Simms SextantRichard Kennedy17 Apr 2019, 10:53
Is All-Haversine SR the be-all and end-all?Tony Oz17 Apr 2019, 08:43
Early Air Navigation with RDFEd Popko16 Apr 2019, 23:03
Re: Reeds versine formulasÖrjan Sandström16 Apr 2019, 18:08
Davis Artificial Horizon FiltersGreg Rudzinski16 Apr 2019, 15:09
Re: Reeds versine formulasBrian Walton16 Apr 2019, 11:21
Re: Yoda the NavigatorTony Oz16 Apr 2019, 07:27
Re: Brown-Nassau Spherical computerAlan S16 Apr 2019, 03:13
Yoda the NavigatorFrank Reed15 Apr 2019, 22:42
Reeds versine formulasÖrjan Sandström15 Apr 2019, 13:52
Re: Sextant use on tankerThomas Spidle15 Apr 2019, 07:36
Re: Sextant use on tankerEd Popko13 Apr 2019, 21:21
Sextant use on tankerThomas Spidle13 Apr 2019, 15:15
Re: Mariner's astrolabe from Museo Naval de MadridAndrew Nikitin12 Apr 2019, 14:18
Re: Northern Limits of Magnetic Compass UsefulnessEd Popko12 Apr 2019, 09:42
Sun Compass-Interesting UseBruce J. Pennino12 Apr 2019, 03:14
Re: Star to Star Distance Sextant CalibrationPaul Hirose12 Apr 2019, 02:52
Re: Star to Star Distance Sextant CalibrationMichael Bradley11 Apr 2019, 22:39
Navigation mistakes in music...Greg Licfi11 Apr 2019, 11:47
Re: Mariner's astrolabe from Museo Naval de MadridAlexandre Eremenko11 Apr 2019, 10:29
Re: Mariner's astrolabe from Museo Naval de MadridEd Popko11 Apr 2019, 09:52
Re: Star to Star Distance Sextant CalibrationAndrés Ruiz11 Apr 2019, 07:23
Re: Mariner's astrolabe from Museo Naval de MadridAndrés Ruiz11 Apr 2019, 06:21
Mariner's astrolabe from Museo Naval de MadridAndrew Nikitin11 Apr 2019, 04:32
Re: Star to Star Distance Sextant CalibrationAlexandre Eremenko10 Apr 2019, 23:04
Star to Star Distance Sextant CalibrationMichael Bradley10 Apr 2019, 21:59
Re: SofaJpl page is downPaul Hirose10 Apr 2019, 21:35
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe10 Apr 2019, 19:57
Re: Constructing the axes of the sum of squares ellipseRoger W. Sinnott10 Apr 2019, 19:23
Re: Northern Limits of Magnetic Compass UsefulnessBill Lionheart10 Apr 2019, 14:50
Re: Wikipedia article on Winslow Homer's "Eight Bells"Ed Popko10 Apr 2019, 10:40
Re: Northern Limits of Magnetic Compass UsefulnessGeoffrey Kolbe10 Apr 2019, 06:28
Re: Troughton and Simms SextantBill Morris10 Apr 2019, 04:48
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe9 Apr 2019, 19:58
Re: Wikipedia article on Winslow Homer's "Eight Bells"Bill Lionheart9 Apr 2019, 18:26
Re: Wikipedia article on Winslow Homer's "Eight Bells"Frank Reed9 Apr 2019, 17:40
Re: Wikipedia article on Winslow Homer's "Eight Bells"Bill Lionheart9 Apr 2019, 10:32
Re: Troughton and Simms SextantStephen N.G. Davies9 Apr 2019, 10:28
Constructing the axes of the sum of squares ellipseBill Lionheart9 Apr 2019, 10:18
Re: Wikipedia article on Winslow Homer's "Eight Bells"Herman Dekker9 Apr 2019, 09:50
Re: Wikipedia article on Winslow Homer's "Eight Bells"David Pike9 Apr 2019, 08:00
Re: Wikipedia article on Winslow Homer's "Eight Bells"Geoffrey Kolbe9 Apr 2019, 07:55
Re: Wikipedia article on Winslow Homer's "Eight Bells"Peter Monta9 Apr 2019, 03:18
Re: Wikipedia article on Winslow Homer's "Eight Bells"Doug MacPherson8 Apr 2019, 23:06
Re: Troughton and Simms SextantRichard Kennedy8 Apr 2019, 21:45
Re: Troughton and Simms SextantRichard Kennedy8 Apr 2019, 21:39
SofaJpl page is downPaul Hirose8 Apr 2019, 20:00
Wikipedia article on Winslow Homer's "Eight Bells"Frank Reed8 Apr 2019, 19:32
"Modern Celestial" on the Hudson RiverFrank Reed8 Apr 2019, 18:44
Re: Today’s the Spring EquinoxDavid Shoemaker8 Apr 2019, 11:31
Re: Troughton and Simms SextantÖrjan Sandström8 Apr 2019, 09:41
Re: Troughton and Simms SextantBrad Morris8 Apr 2019, 02:42
Re: Troughton and Simms SextantAlexandre Eremenko8 Apr 2019, 01:53
Re: Possible GPS Date Rollover problems week of April 6, 2019Peter Monta7 Apr 2019, 22:55
Troughton and Simms SextantRichard Kennedy7 Apr 2019, 20:57
Re: Possible GPS Date Rollover problems week of April 6, 2019David Pike7 Apr 2019, 16:57
Re: Today’s the Spring EquinoxDavid Shoemaker7 Apr 2019, 13:14
Re: Plotting Tools?David Pike7 Apr 2019, 09:01
Re: Possible GPS Date Rollover problems week of April 6, 2019Geoffrey Kolbe7 Apr 2019, 06:30
Re: Today’s the Spring EquinoxPaul Hirose7 Apr 2019, 04:48
Re: Possible GPS Date Rollover problems week of April 6, 2019Brad Morris7 Apr 2019, 00:31
Re: Plotting Tools?David Pike5 Apr 2019, 21:48
Re: Plotting Tools?Jürgen Hoefeld5 Apr 2019, 17:27
Re: Today’s the Spring EquinoxDavid Shoemaker5 Apr 2019, 12:07
Re: Plotting Tools?David Pike5 Apr 2019, 08:50
Re: GPS Anti Spoof app updateHerman Dekker5 Apr 2019, 05:44
Re: Plotting Tools?Jacob M. Huffman III5 Apr 2019, 04:05
Plotting Tools?George F. Prescott4 Apr 2019, 20:40
Re: GPS Anti Spoof app updateJohn D. Howard3 Apr 2019, 02:25
Re: GPS Anti Spoof app updateBruce Cutting2 Apr 2019, 20:11
Re: GPS Anti Spoof app updateJohn D. Howard2 Apr 2019, 15:14
Re: Cpu-50A/PAlan S2 Apr 2019, 03:24
Re: GPS Anti Spoof app updateSteve E. Bryant2 Apr 2019, 03:00
Re: Possible GPS Date Rollover problems week of April 6, 2019Geoffrey Kolbe1 Apr 2019, 05:19
Re: GPS Anti Spoof app updateTony Oz31 Mar 2019, 20:20
Re: Douglas-Appleyard Arcless Sextant - HelpDavid Pike31 Mar 2019, 20:07
Celestial Navigation: 19th Century Methods workshopFrank Reed31 Mar 2019, 19:05
Douglas-Appleyard Arcless Sextant - HelpJohn D. Howard31 Mar 2019, 18:53
GPS Anti Spoof app updateFrank Reed31 Mar 2019, 18:14
Re: Douglas-Appleyard Arcless SextantJohn D. Howard31 Mar 2019, 16:41
Re: Douglas-Appleyard Arcless SextantDavid Pike31 Mar 2019, 14:44
Re: Kollsman periscopic sextant mountDavid Pike31 Mar 2019, 11:43
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Bill Lionheart31 Mar 2019, 08:18
Re: Zenith FixesDavid Pike30 Mar 2019, 22:33
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"David Pike30 Mar 2019, 21:49
Re: Kollsman periscopic sextant mountPaul Hirose30 Mar 2019, 21:41
Re: Possible GPS Date Rollover problems week of April 6, 2019Paul Hirose30 Mar 2019, 21:41
Re: Kollsman periscopic sextant mountDavid Pike30 Mar 2019, 20:45
Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Bill Lionheart30 Mar 2019, 12:48
Douglas-Appleyard Arcless SextantJohn D. Howard29 Mar 2019, 16:09
Re: Cpu-50A/PEd Popko29 Mar 2019, 10:44
Ahab's Arithmetic; or, the mathematics of Moby-DickRobert H. van Gent29 Mar 2019, 09:45
Re: Mirror recoatingTony Oz28 Mar 2019, 12:03
Re: Possible GPS Date Rollover problems week of April 6, 2019Richard B. Langley28 Mar 2019, 12:01
Re: Cpu-50A/PBrad Morris27 Mar 2019, 22:15
Re: Cpu-50A/PBrad Morris27 Mar 2019, 22:10
Re: Mirror recoatingÖrjan Sandström27 Mar 2019, 22:09
Re: Mirror recoatingÖrjan Sandström27 Mar 2019, 22:09
Re: Mirror recoatingJim Hickey27 Mar 2019, 19:52
Re: Cpu-50A/PTracy Shrier27 Mar 2019, 18:50
Re: Mirror recoatingTony Oz27 Mar 2019, 16:37
Re: Mirror recoatingPeter Monta27 Mar 2019, 16:07
Re: Mirror recoatingPeter Monta27 Mar 2019, 15:58
Re: Mirror recoatingPeter Monta27 Mar 2019, 15:50
Re: Cpu-50A/PBrad Morris27 Mar 2019, 14:40
Re: Possible GPS Date Rollover problems week of April 6, 2019Brad Morris27 Mar 2019, 14:38
Re: Mirror recoatingJim Hickey27 Mar 2019, 13:10
Re: Mirror recoatingChris Caswell27 Mar 2019, 11:02
Re: Mirror recoatingTony Oz27 Mar 2019, 07:25
Cpu-50A/PTracy Shrier27 Mar 2019, 01:43
Re: Possible GPS Date Rollover problems week of April 6, 2019Lu Abel27 Mar 2019, 00:23
Re: Possible GPS Date Rollover problems week of April 6, 2019Derrick Young26 Mar 2019, 21:49
Re: Mirror recoatingPaul Hirose26 Mar 2019, 21:44
Re: Mirror recoatingAlexandre Eremenko26 Mar 2019, 21:09
Re: Possible GPS Date Rollover problems week of April 6, 2019Ed Popko26 Mar 2019, 20:52
Re: Article: Follow Canopus, Not Your CompassFrank Reed26 Mar 2019, 19:57
Re: Article: Follow Canopus, Not Your CompassTony Oz26 Mar 2019, 19:57
Re: Mirror recoatingTony Oz26 Mar 2019, 19:50
Re: Mirror recoatingFrank Reed26 Mar 2019, 19:37
Re: Mirror recoatingAlexandre Eremenko26 Mar 2019, 19:34
Re: Mirror recoatingAlexandre Eremenko26 Mar 2019, 19:02
Re: Zenith FixesFrank Reed26 Mar 2019, 18:15
Re: Zenith FixesRobin Stuart26 Mar 2019, 17:34
Re: Mirror recoatingDustin Baenen26 Mar 2019, 17:12
Re: Mirror recoatingIgor S.26 Mar 2019, 15:41
Re: CP-300/U Star FinderEd Popko26 Mar 2019, 15:34
Re: Mirror recoatingTony Oz26 Mar 2019, 14:21
Re: Zenith FixesJeremy C26 Mar 2019, 13:20
Re: Zenith FixesJeremy C26 Mar 2019, 13:13
Article: Follow Canopus, Not Your CompassJackson McDonald26 Mar 2019, 11:21
Re: Obtuse versus acute cocked hatBill Lionheart26 Mar 2019, 10:32
Re: Zenith FixesAndrés Ruiz26 Mar 2019, 09:02
Re: Kollsman periscopic sextant mountRussell Crum26 Mar 2019, 05:19
Re: Mirror recoatingBill Morris26 Mar 2019, 03:49
Re: CP-300/U Star FinderAlan S26 Mar 2019, 00:35
Re: Zenith FixesDavid Pike26 Mar 2019, 00:29
Re: Mirror recoatingAlexandre Eremenko26 Mar 2019, 00:04
Re: Today’s the Spring EquinoxPaul Hirose25 Mar 2019, 22:53
Mirror recoatingChris Caswell25 Mar 2019, 22:22
Bygrave sliderule for saleGary LaPook25 Mar 2019, 21:16
Re: Zenith FixesAndrés Ruiz25 Mar 2019, 14:04
Re: Obtuse versus acute cocked hatRobin Stuart24 Mar 2019, 15:56
Re: Today’s the Spring EquinoxDavid Pike24 Mar 2019, 14:38
Re: Today’s the Spring EquinoxFrank Reed24 Mar 2019, 13:05
Re: Today’s the Spring EquinoxDavid Pike24 Mar 2019, 10:31
Re: CP-300/U Star FinderEd Popko24 Mar 2019, 09:48
Re: CP-300/U Star FinderAlan S24 Mar 2019, 02:13
Re: Zenith FixesDavid Pike23 Mar 2019, 22:54
Re: Today’s the Spring EquinoxDavid Shoemaker23 Mar 2019, 18:27
Re: Today’s the Spring EquinoxDavid Shoemaker23 Mar 2019, 17:47
Re: Zenith FixesTony Oz23 Mar 2019, 17:33
Re: Obtuse versus acute cocked hatRobin Stuart23 Mar 2019, 14:37
Astron v2.1 release.Bill Ritchie23 Mar 2019, 14:06
Re: Zenith FixesDavid Pike23 Mar 2019, 11:04
Re: Today’s the Spring EquinoxPaul Hirose23 Mar 2019, 05:52
Re: Zenith FixesTony Oz22 Mar 2019, 22:19
Re: Zenith FixesDavid Pike22 Mar 2019, 16:23
Re: Zenith FixesMike Burkes22 Mar 2019, 15:37
Re: Zenith FixesAndrés Ruiz22 Mar 2019, 10:01
Re: Obtuse versus acute cocked hatDavid Pike21 Mar 2019, 23:24
Zenith FixesDavid Pike21 Mar 2019, 22:41
Re: Obtuse versus acute cocked hatBill Lionheart21 Mar 2019, 21:14
Re: Obtuse versus acute cocked hatRobin Stuart21 Mar 2019, 18:36
Re: Today’s the Spring EquinoxÖrjan Sandström21 Mar 2019, 17:16
Conditional Cocked HatRobin Stuart21 Mar 2019, 12:55
Re: Ellipse of Confidence in position findingAndrés Ruiz21 Mar 2019, 08:44
Obtuse versus acute cocked hatBill Lionheart21 Mar 2019, 08:07
Re: Today’s the Spring EquinoxJohn D. Howard20 Mar 2019, 23:32
Re: Today’s the Spring EquinoxDavid C20 Mar 2019, 23:19
Re: Today’s the Spring EquinoxDavid C20 Mar 2019, 22:31
Re: Today’s the Spring EquinoxDavid C20 Mar 2019, 22:25
Today’s the Spring EquinoxDavid Pike20 Mar 2019, 13:50
Re: Bessel's solution of lunar distancesRoger W. Sinnott20 Mar 2019, 12:54
Re: Sarl-CPI sextantsPaul Bedel20 Mar 2019, 11:04
Re: Human magnetic senseTony Oz20 Mar 2019, 08:50
Re: Ellipse of Confidence in position findingAndrés Ruiz20 Mar 2019, 07:57
Re: Ellipse of Confidence in position findingAndrés Ruiz20 Mar 2019, 07:26
Re: Bessel's solution of lunar distancesFrank Reed19 Mar 2019, 15:39
Human magnetic senseFrank Reed19 Mar 2019, 15:05
Re: Bessel's solution of lunar distancesRoger W. Sinnott19 Mar 2019, 14:43
Re: Index mirror typePosth P19 Mar 2019, 10:12
Re: Index mirror typeAlexandre Eremenko19 Mar 2019, 00:16
Re: Index mirror typeAlexandre Eremenko19 Mar 2019, 00:10
Re: The Appleyard Course and Distance ComputerDave Walden18 Mar 2019, 23:37
Sarl-CPI sextantsAlberto Najar18 Mar 2019, 22:01
Index mirror typeIgor S.18 Mar 2019, 21:48
Re: Ellipse of Confidence in position findingDavid Pike18 Mar 2019, 19:34
Re: Ellipse of Confidence in position findingRobin Stuart18 Mar 2019, 16:17
Re: Bessel's solution of lunar distancesMurray Peake18 Mar 2019, 12:59
Re: Ellipse of Confidence in position findingDavid Pike18 Mar 2019, 11:29
Re: Bessel's solution of lunar distancesRobert H. van Gent18 Mar 2019, 09:23
Re: Ellipse of Confidence in position findingBill Lionheart18 Mar 2019, 07:22
Re: Ellipse of Confidence in position findingDavid Pike17 Mar 2019, 18:25
Re: Ellipse of Confidence in position findingRobin Stuart17 Mar 2019, 16:05
Bessel's solution of lunar distancesRoger W. Sinnott17 Mar 2019, 15:33
Re: Ellipse of Confidence in position findingGeoffrey Kolbe17 Mar 2019, 06:43
B-24 mission to MühldorfPaul Hirose16 Mar 2019, 21:06
Re: Mercury is the closest planet, on average...Bill Lionheart16 Mar 2019, 16:16
Re: Mercury is the closest planet, on average...David Pike16 Mar 2019, 08:58
Possible GPS Date Rollover problems week of April 6, 2019Derrick Young15 Mar 2019, 23:49
Mercury is the closest planet, on average...Frank Reed15 Mar 2019, 22:09
Re: The Appleyard Course and Distance ComputerDavid Pike15 Mar 2019, 21:21
Re: Ellipse of Confidence in position findingRobin Stuart15 Mar 2019, 20:40
Re: Ellipse of Confidence in position findingRobin Stuart15 Mar 2019, 20:18
Re: Corrections for latitude when taking sightsFrank Reed15 Mar 2019, 16:10
Re: What is the radius of the Prime Vertical?Frank Reed15 Mar 2019, 15:52
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart15 Mar 2019, 15:07
Re: What is the radius of the Prime Vertical?David Pike15 Mar 2019, 13:21
Re: Corrections for latitude when taking sightsÖrjan Sandström15 Mar 2019, 09:03
Re: Ellipse of Confidence in position findingBill Lionheart15 Mar 2019, 08:58
Re: What is the radius of the Prime Vertical?Frank Reed15 Mar 2019, 00:17
Re: What is the radius of the Prime Vertical?David Pike14 Mar 2019, 23:15
Re: What is the radius of the Prime Vertical?Frank Reed14 Mar 2019, 22:02
What is the radius of the Prime Vertical?David Pike14 Mar 2019, 17:08
Re: Ellipse of Confidence in position findingAndrés Ruiz14 Mar 2019, 13:57
Re: Corrections for latitude when taking sightsBrad Morris14 Mar 2019, 00:57
Re: Corrections for latitude when taking sightsDavid Pike13 Mar 2019, 23:56
Re: Corrections for latitude when taking sightsFrank Reed13 Mar 2019, 23:02
Re: Corrections for latitude when taking sightsBrian Walton13 Mar 2019, 22:07
Re: Corrections for latitude when taking sightsBrad Morris13 Mar 2019, 20:56
Re: Corrections for latitude when taking sightsFrank Reed13 Mar 2019, 20:01
Re: Corrections for latitude when taking sightsBrad Morris13 Mar 2019, 19:29
Re: Corrections for latitude when taking sightsFrank Reed13 Mar 2019, 19:09
Re: Short Term Proper MotionPaul Hirose13 Mar 2019, 17:40
Re: Corrections for latitude when taking sightsDavid Pike13 Mar 2019, 16:42
Re: Ebony OctantChris Caswell13 Mar 2019, 10:54
Re: Corrections for latitude when taking sightsDavid Pike13 Mar 2019, 08:29
Re: Ellipse of Confidence in position findingBill Lionheart13 Mar 2019, 07:51
Re: Corrections for latitude when taking sightsBrian Walton13 Mar 2019, 04:15
Re: Short Term Proper MotionPaul Hirose13 Mar 2019, 03:42
Re: Corrections for latitude when taking sightsBrad Morris13 Mar 2019, 02:19
Re: Moon's crescent when viewed from low latitudesMichael Bradley13 Mar 2019, 00:34
Re: Old stone walls record the changing location of magnetic northBruce J. Pennino12 Mar 2019, 23:36
Re: Corrections for latitude when taking sightsDavid Pike12 Mar 2019, 21:56
Re: Old stone walls record the changing location of magnetic northLu Abel12 Mar 2019, 21:35
Re: Ebony OctantBill Morris12 Mar 2019, 21:04
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar 2019, 20:56
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar 2019, 20:42
Re: Old stone walls record the changing location of magnetic northRobin Stuart12 Mar 2019, 20:24
Re: Corrections for latitude when taking sightsSteve E. Bryant12 Mar 2019, 20:22
Re: Corrections for latitude when taking sightsDavid Pike12 Mar 2019, 18:14
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar 2019, 18:05
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar 2019, 17:48
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar 2019, 17:21
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar 2019, 17:17
Bill Murdoch's TI-82 site reduction programWayne Miller12 Mar 2019, 16:30
Old stone walls record the changing location of magnetic northJackson McDonald12 Mar 2019, 13:22
Re: Ebony OctantAlexandre Eremenko12 Mar 2019, 13:09
Re: Short Term Proper MotionRoger W. Sinnott12 Mar 2019, 12:59
Quiz Question: Advanced the science of navigationStuart Middleton12 Mar 2019, 12:08
Moon's crescent when viewed from low latitudesTony Oz12 Mar 2019, 08:58
Re: Corrections for latitude when taking sightsBrian Walton12 Mar 2019, 07:31
Re: Corrections for latitude when taking sightsBrad Morris12 Mar 2019, 03:33
Re: Ebony OctantJohn D. Howard12 Mar 2019, 02:47
Ebony OctantChris Caswell11 Mar 2019, 22:37
Re: The Appleyard Course and Distance ComputerAdrian F11 Mar 2019, 17:51
Re: Corrections for latitude when taking sightsDavid Pike11 Mar 2019, 16:47
Re: Short Term Proper MotionBill Bertrand11 Mar 2019, 15:54
Re: Corrections for latitude when taking sightsBrad Morris11 Mar 2019, 13:51
Re: Ellipse of Confidence in position findingAndrés Ruiz11 Mar 2019, 08:15
Corrections for latitude when taking sightsSteve E. Bryant11 Mar 2019, 04:13
Re: Short Term Proper MotionPeter Monta11 Mar 2019, 00:43
Re: Short Term Proper MotionPaul Hirose10 Mar 2019, 23:37
Re: Ellipse of Confidence in position findingBill Lionheart10 Mar 2019, 18:36
Unbounded RunawayBrad Morris10 Mar 2019, 16:51
Re: T Hav Doniol Sumner LOP ExampleBrian Walton10 Mar 2019, 06:31
Re: T Hav Doniol Sumner LOP ExampleLars Bergman9 Mar 2019, 21:11
Re: An analytical solution of the two star sight problem of celestial navigationBrad Morris9 Mar 2019, 21:05
Short Term Proper MotionBill Bertrand9 Mar 2019, 16:19
Re: An analytical solution of the two star sight problem of celestial navigationDavid Pike9 Mar 2019, 16:15
Re: 3D Navigation software questionAndrés Ruiz9 Mar 2019, 15:11
Ellipse of Confidence in position findingAndrés Ruiz9 Mar 2019, 15:00
Re: 3D Navigation software questionBrad Morris9 Mar 2019, 14:30
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart9 Mar 2019, 13:51
Re: An analytical solution of the two star sight problem of celestial navigationBrad Morris9 Mar 2019, 12:06
Re: Mercury in retrogradeJackson McDonald9 Mar 2019, 11:58
3D Navigation software questionMark Coady8 Mar 2019, 20:42
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski8 Mar 2019, 20:00
Re: Mercury in retrogradePaul Hirose8 Mar 2019, 19:15
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart8 Mar 2019, 18:59
Re: T Hav Doniol Sumner LOP ExampleBrian Walton8 Mar 2019, 14:11
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz8 Mar 2019, 11:21
Re: Mercury in retrogradeTony Oz8 Mar 2019, 09:50
Re: Dip ShortDavid Pike8 Mar 2019, 00:29
Mercury in retrogradePaul Hirose7 Mar 2019, 22:18
Re: An analytical solution of the two star sight problem of celestial navigationFrank Reed7 Mar 2019, 21:00
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz7 Mar 2019, 19:53
Re: Dip ShortBrad Morris7 Mar 2019, 16:18
Re: Dip ShortDavid Pike7 Mar 2019, 16:12
Dip ShortDavid C7 Mar 2019, 07:50
Astro from a trainDavid C7 Mar 2019, 07:12
Re: What sextant to buy ?Terry Syrokosz6 Mar 2019, 22:18
Re: The Appleyard Course and Distance ComputerDavid Pike6 Mar 2019, 21:58
Re: Magnetic variation changing faster than anticipatedDavid Pike6 Mar 2019, 18:20
Re: The Appleyard Course and Distance ComputerDavid Pike6 Mar 2019, 18:13
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart6 Mar 2019, 17:51
Re: The Appleyard Course and Distance ComputerDave Walden6 Mar 2019, 15:12
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski6 Mar 2019, 14:54
Re: T Hav Doniol Sumner LOP ExampleBrian Walton6 Mar 2019, 04:12
Re: Ebbco Intercept Data using Davis Artificial HorizonMichael Bradley5 Mar 2019, 23:20
Re: The Appleyard Course and Distance ComputerDavid Pike5 Mar 2019, 22:10
Ebbco Intercept Data using Davis Artificial HorizonGreg Rudzinski5 Mar 2019, 20:48
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz5 Mar 2019, 20:17
Re: First Point of Aries newbie questionRommel John Miller5 Mar 2019, 20:14
Re: First Point of Aries newbie questionBob Goethe5 Mar 2019, 19:37
Re: First Point of Aries newbie questionFrank Reed5 Mar 2019, 18:41
Introductory Celestial Navigation workshops coming up...Frank Reed5 Mar 2019, 18:32
First Point of Aries newbie questionEamonn Sparling5 Mar 2019, 17:22
Re: An analytical solution of the two star sight problem of celestial navigationBruce Cutting5 Mar 2019, 16:27
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart5 Mar 2019, 15:31
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart5 Mar 2019, 11:50
An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz4 Mar 2019, 14:33
Re: Wind Velocity from Three DriftsEd Popko3 Mar 2019, 17:22
Re: The Appleyard Course and Distance ComputerDave Walden3 Mar 2019, 15:21
Resilvering sextant mirror, 1919Paul Hirose2 Mar 2019, 05:00
Re: What level of english skills is needed for safe navigation?Hewitt Schlereth1 Mar 2019, 22:49
The Appleyard Course and Distance ComputerDavid Pike1 Mar 2019, 22:12
Re: What level of english skills is needed for safe navigation?Francis Upchurch1 Mar 2019, 18:40
Re: Wind Velocity from Three DriftsJohn D. Howard1 Mar 2019, 18:33
Re: Mark 15 sextantsMichael Bradley1 Mar 2019, 17:47
Re: What level of english skills is needed for safe navigation?Frank Reed1 Mar 2019, 16:01
Re: Mark 15 sextantsGreg Rudzinski1 Mar 2019, 15:43
Re: What level of english skills is needed for safe navigation?Tony Oz1 Mar 2019, 15:35
Wind Velocity from Three DriftsDavid Pike1 Mar 2019, 15:20
Re: What level of english skills is needed for safe navigation?Örjan Sandström1 Mar 2019, 10:20
Re: What level of english skills is needed for safe navigation?Bill Lionheart1 Mar 2019, 09:32
Re: Mark 15 sextantsMichael Bradley1 Mar 2019, 08:58
Re: What level of english skills is needed for safe navigation?David Pike1 Mar 2019, 08:41
Re: What level of english skills is needed for safe navigation?Brad Morris1 Mar 2019, 00:51
Re: What sextant to buy ?Bruce Cutting1 Mar 2019, 00:43
Re: What level of english skills is needed for safe navigation?John D. Howard1 Mar 2019, 00:20
Re: Magnetic variation changing faster than anticipatedJohn D. Howard1 Mar 2019, 00:09
Re: What sextant to buy ?Terry Syrokosz28 Feb 2019, 23:44
Re: Magnetic variation changing faster than anticipatedDavid Pike28 Feb 2019, 19:32
What level of english skills is needed for safe navigation?Gary LaPook28 Feb 2019, 18:31
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 17:51
Re: Magnetic variation changing faster than anticipatedDavid Pike28 Feb 2019, 17:36
Re: Magnetic variation changing faster than anticipatedRobert VanderPol II28 Feb 2019, 16:03
Re: Magnetic variation changing faster than anticipatedEd Popko28 Feb 2019, 11:52
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 09:05
Re: Magnetic variation changing faster than anticipatedTony Oz28 Feb 2019, 08:24
Re: Magnetic variation changing faster than anticipatedGary LaPook28 Feb 2019, 08:22
Re: Magnetic variation changing faster than anticipatedBill Lionheart28 Feb 2019, 07:13
Re: Magnetic variation changing faster than anticipatedMark Coady28 Feb 2019, 02:03
Re: Magnetic variation changing faster than anticipatedDavid Pike27 Feb 2019, 20:56
Re: Magnetic variation changing faster than anticipatedDavid Pike27 Feb 2019, 18:08
Re: Iterative Lunar methodBruce Cutting27 Feb 2019, 16:30
Re: Magnetic variation changing faster than anticipatedTony Oz27 Feb 2019, 14:50
Re: Magnetic variation changing faster than anticipatedTony Oz27 Feb 2019, 10:48
Re: Magnetic variation changing faster than anticipatedDavid C27 Feb 2019, 06:28
Re: Magnetic variation changing faster than anticipatedMark Coady27 Feb 2019, 05:06
Re: Magnetic variation changing faster than anticipatedGary LaPook26 Feb 2019, 23:06
Re: Magnetic variation changing faster than anticipatedGary LaPook26 Feb 2019, 22:53
Re: Magnetic variation changing faster than anticipatedDavid Pike26 Feb 2019, 22:02
Re: Magnetic variation changing faster than anticipatedDavid C26 Feb 2019, 20:27
Re: Donald Crowhurst shooting the SunDavid Pike26 Feb 2019, 20:10
Re: Donald Crowhurst shooting the SunRommel John Miller26 Feb 2019, 19:24
Re: Donald Crowhurst shooting the SunBruce Cutting26 Feb 2019, 18:25
Re: Donald Crowhurst shooting the SunTony Oz26 Feb 2019, 15:56
Re: Donald Crowhurst shooting the SunSean C26 Feb 2019, 12:46
Re: Donald Crowhurst shooting the SunDavid Pike26 Feb 2019, 10:09
Re: Donald Crowhurst shooting the SunÖrjan Sandström26 Feb 2019, 09:24
Re: Donald Crowhurst shooting the SunRobert VanderPol II26 Feb 2019, 05:43
Donald Crowhurst shooting the SunFrank Reed26 Feb 2019, 04:25
Re: Calculator "watch"Alan S26 Feb 2019, 03:55
Re: Iterative Lunar methodWendel Brunner26 Feb 2019, 03:32
Re: Iterative Lunar methodFrank Reed26 Feb 2019, 03:24
Re: Iterative Lunar methodWendel Brunner26 Feb 2019, 02:57
Re: Magnetic variation changing faster than anticipatedJohn D. Howard25 Feb 2019, 23:47
Re: Magnetic variation changing faster than anticipatedFrank Reed25 Feb 2019, 20:47
Re: Magnetic variation changing faster than anticipatedPaul Hughes25 Feb 2019, 19:07
Re: Magnetic variation changing faster than anticipatedDavid Pike25 Feb 2019, 17:48
Re: GPS for chickens and spinachFrank Reed25 Feb 2019, 17:11
Re: GPS for chickens and spinachDavid Pike25 Feb 2019, 15:03
Re: GPS for chickens and spinachBill Lionheart25 Feb 2019, 09:59
Re: Magnetic variation changing faster than anticipatedBill Lionheart25 Feb 2019, 08:03
Re: Magnetic variation changing faster than anticipatedDavid C25 Feb 2019, 04:32
Re: Magnetic variation changing faster than anticipatedFrank Reed25 Feb 2019, 02:59
Magnetic variation changing faster than anticipatedMark Coady25 Feb 2019, 02:14
Re: GPS for chickens and spinachMark Coady25 Feb 2019, 01:53
Re: GPS for chickens and spinachEd Popko25 Feb 2019, 00:50
Re: GPS for chickens and spinachFrank Reed24 Feb 2019, 20:27
Re: Polaris - changes in SHA and DeclinationDavid Shoemaker24 Feb 2019, 19:31
Re: GPS for chickens and spinachBrad Morris24 Feb 2019, 16:56
GPS for chickens and spinachFrank Reed24 Feb 2019, 16:16
Re: Star telescope for H.hughes and son's "mate" sextantDave Trickett24 Feb 2019, 01:19
Re: Star telescope for H.hughes and son's "mate" sextantDavid Pike23 Feb 2019, 22:38
Star telescope for H.hughes and son's "mate" sextantDave Trickett23 Feb 2019, 21:02
Re: GPS rolloverBrad Morris23 Feb 2019, 17:42
GPS rolloverJackson McDonald23 Feb 2019, 10:46
Re: Polaris - changes in SHA and DeclinationAndrés Ruiz22 Feb 2019, 19:12
Re: Polaris - changes in SHA and DeclinationRobert Wyatt22 Feb 2019, 19:02
Re: Polaris - changes in SHA and DeclinationFrank Reed22 Feb 2019, 18:33
Re: Polaris - changes in SHA and DeclinationDavid Fleming22 Feb 2019, 17:35
Re: Polaris - changes in SHA and DeclinationFrank Reed22 Feb 2019, 16:57
Re: Polaris - changes in SHA and DeclinationTony Oz22 Feb 2019, 16:16
Polaris - changes in SHA and DeclinationDavid Shoemaker22 Feb 2019, 15:59
Re: What sextant to buy ?Bruce Cutting22 Feb 2019, 00:39
Re: What sextant to buy ?Terry Syrokosz21 Feb 2019, 23:09
Re: GMT from Moon and Body Observed Altitudes...??Fred Hebard21 Feb 2019, 20:13
Re: Iterative Lunar methodFrank Reed21 Feb 2019, 18:18
Re: Contributing to NavList OperationsFrank Reed21 Feb 2019, 17:45
Re: GMT from Moon and Body Observed Altitudes...??Frank Reed21 Feb 2019, 17:24
Re: GMT from Moon and Body Observed Altitudes...??Geoffrey Kolbe21 Feb 2019, 07:21
Re: What sextant to buy ?Alan S21 Feb 2019, 04:27
Re: GMT from Moon and Body Observed Altitudes...??Fred Hebard21 Feb 2019, 00:54
Re: Lunar with Davis MKIII Sextant?Brad Morris21 Feb 2019, 00:24
Re: Lunar with Davis MKIII Sextant?Brad Morris20 Feb 2019, 23:38
Re: Lunar with Davis MKIII Sextant?Bruce Cutting20 Feb 2019, 23:21
Re: Iterative Lunar methodBrad Morris20 Feb 2019, 21:05
Contributing to NavList OperationsAlan S20 Feb 2019, 20:51
Re: GMT from Moon and Body Observed Altitudes...??Ron Jones20 Feb 2019, 17:57
Re: GMT from Moon and Body Observed Altitudes...??Wendel Brunner20 Feb 2019, 17:27
Lunar with Davis MKIII Sextant?Herman Dekker20 Feb 2019, 17:06
Re: Historical tidesPaul Hughes20 Feb 2019, 16:47
10 years of Navigation SpreadsheetsPeter Hakel20 Feb 2019, 15:29
Re: Iterative Lunar methodFred Hebard20 Feb 2019, 14:07
Re: GMT from Moon and Body Observed Altitudes...??Tony Oz20 Feb 2019, 08:38
Re: Iterative Lunar methodFrank Reed20 Feb 2019, 06:41
Re: What sextant to buy ?Bruce Cutting20 Feb 2019, 04:16
Re: Historical tidesTerry Syrokosz20 Feb 2019, 03:25
Re: What sextant to buy ?Terry Syrokosz20 Feb 2019, 01:24
Re: GMT from Moon and Body Observed Altitudes...??Ron Jones19 Feb 2019, 18:57
Iterative Lunar methodWendel Brunner19 Feb 2019, 16:06
Re: "hack" as a nounRommel John Miller18 Feb 2019, 22:36
Re: "hack" as a nounFrank Reed18 Feb 2019, 22:00
"hack" as a nounPaul Hirose18 Feb 2019, 21:25
Re: GMT from Moon and Body Observed Altitudes...??Paul Hirose18 Feb 2019, 21:25
Re: CP-300/U Star FinderBrad Morris18 Feb 2019, 20:19
Re: CP-300/U Star FinderEd Popko18 Feb 2019, 19:51
Re: CP-300/U Star FinderBrad Morris18 Feb 2019, 18:09
Re: CP-300/U Star FinderEd Popko18 Feb 2019, 13:26
Re: GMT from Moon and Body Observed Altitudes...??Sean C18 Feb 2019, 07:32
Re: Historical tidesAlexandre Eremenko17 Feb 2019, 23:10
Re: Historical tidesAlexandre Eremenko17 Feb 2019, 22:55
Re: Latitude at Noon and Midnight.Tony Oz17 Feb 2019, 19:58
Re: Celestial Navigation in 1866Robin Stuart17 Feb 2019, 18:23
Re: Historical tidesPaul Hughes17 Feb 2019, 16:10
Re: Historical tidesRoger W. Sinnott17 Feb 2019, 15:29
Re: Historical tidesAlexandre Eremenko17 Feb 2019, 13:37
Re: Historical tidesBob Crawley17 Feb 2019, 11:38
Re: Celestial Navigation in 1866Lars Bergman17 Feb 2019, 11:34
Re: Celestial Navigation in 1866Lloyd Browne17 Feb 2019, 09:13
Re: Celestial Navigation in 1866Brad Morris17 Feb 2019, 07:03
Re: Celestial Navigation in 1866Frank Reed17 Feb 2019, 06:55
Re: Historical tidesPaul Hughes17 Feb 2019, 06:05
Celestial Navigation in 1866Lloyd Browne17 Feb 2019, 03:24
Re: Brown-Nassau CN PlotterAlan S17 Feb 2019, 00:05
Re: CP-300/U Star FinderAlan S16 Feb 2019, 23:49
GMT from Moon and Body Observed Altitudes...??Ron Jones16 Feb 2019, 23:46
Re: Historical tidesStephen N.G. Davies16 Feb 2019, 22:46
Taking more sights for one star when triangle not equilateralBill Lionheart16 Feb 2019, 20:00
Re: CP-300/U Star FinderBrad Morris16 Feb 2019, 17:04
Re: Historical tidesPeter Smith16 Feb 2019, 14:46
Re: Historical tidesAlexandre Eremenko16 Feb 2019, 13:12
Re: Examples of cocked hat far from equilateralGreg Rudzinski16 Feb 2019, 13:11
Re: Historical tidesAndrés Ruiz16 Feb 2019, 10:06
Re: CP-300/U Star FinderAlan S16 Feb 2019, 04:58
Re: Historical tidesAlexandre Eremenko16 Feb 2019, 04:19
Re: Brown-Nassau CN PlotterAlan S16 Feb 2019, 04:05
Re: Historical tidesFrank Reed16 Feb 2019, 02:54
Re: Historical tidesAlexandre Eremenko16 Feb 2019, 00:47
Re: Historical tidesFrank Reed16 Feb 2019, 00:14
Historical tidesAlexandre Eremenko15 Feb 2019, 23:52
Re: Latitude at Noon and Midnight.Paul Hirose15 Feb 2019, 19:55
Re: Latitude at Noon and Midnight.Tony Oz15 Feb 2019, 19:43
Re: Examples of cocked hat far from equilateralGreg Rudzinski15 Feb 2019, 18:39
Re: The Dunlap Sunrise Sunset ComputerRafal O.15 Feb 2019, 18:34
Re: Examples of cocked hat far from equilateralDavid Pike15 Feb 2019, 17:52
Re: Latitude at Noon and Midnight.Andrés Ruiz15 Feb 2019, 17:13
Re: Latitude at Noon and Midnight.Herman Dekker15 Feb 2019, 16:51
Re: Latitude at Noon and Midnight.Andrés Ruiz15 Feb 2019, 08:00
Re: Examples of cocked hat far from equilateralAndrés Ruiz15 Feb 2019, 07:55
Re: Latitude at Noon and Midnight.Andrés Ruiz15 Feb 2019, 07:52
Re: Latitude at Noon and Midnight.Frank Reed15 Feb 2019, 01:55
Latitude at Noon and Midnight.Herman Dekker15 Feb 2019, 01:36
Re: Examples of cocked hat far from equilateralDavid Pike14 Feb 2019, 19:54
Re: First trans-Atlantic Flights?Gary LaPook14 Feb 2019, 19:29
BBC News: Search for Shackleton's lost Endurance ship called off.Brad Morris14 Feb 2019, 18:01
First trans-Atlantic Flights?Tony Oz14 Feb 2019, 10:47
Re: The Dunlap Sunrise Sunset ComputerRafal O.14 Feb 2019, 09:25
Re: The Dunlap Sunrise Sunset ComputerRafal O.14 Feb 2019, 07:11
Re: Brown-Nassau CN PlotterFrancis Upchurch14 Feb 2019, 06:20
Re: Brown-Nassau CN PlotterRobert VanderPol II13 Feb 2019, 22:36
Re: Brown-Nassau CN PlotterRobert VanderPol II13 Feb 2019, 22:34
First Direct West to East Atlantic Flight 1919David Pike13 Feb 2019, 22:11
Re: Gyro sextantDavid Pike13 Feb 2019, 20:56
Re: ADMIN: NavList Operations ContributionsFrank Reed13 Feb 2019, 20:22
Re: The Dunlap Sunrise Sunset ComputerBrad Morris13 Feb 2019, 19:25
Re: Brown-Nassau CN PlotterBruce Cutting13 Feb 2019, 18:44
Re: Time zone sign conventionsD Maracle13 Feb 2019, 18:35
Re: ADMIN: NavList Operations ContributionsBruce J. Pennino13 Feb 2019, 16:43
Re: ADMIN: NavList Operations ContributionsFrank Reed13 Feb 2019, 16:01
Re: Brown-Nassau CN PlotterBrad Morris13 Feb 2019, 15:02
Re: The Dunlap Sunrise Sunset ComputerRafal O.13 Feb 2019, 07:31
Re: Brown-Nassau CN PlotterFrancis Upchurch13 Feb 2019, 06:16
Re: Time zone sign conventionsBrad Morris13 Feb 2019, 04:03
Re: Brown-Nassau CN PlotterRobert VanderPol II13 Feb 2019, 03:59
Re: Gyro sextantBill Morris13 Feb 2019, 03:45
Re: Search Party Reaches Last Known Endurance LocationBrad Morris13 Feb 2019, 00:26
Time zone sign conventionsSteve E. Bryant13 Feb 2019, 00:08
Re: Search Party Reaches Last Known Endurance LocationBrad Morris12 Feb 2019, 22:31
Re: The Dunlap Sunrise Sunset ComputerBrad Morris12 Feb 2019, 20:25
Re: The Dunlap Sunrise Sunset ComputerRafal O.12 Feb 2019, 19:54
Re: Brown-Nassau CN PlotterAlan S12 Feb 2019, 19:53
Re: The Dunlap Sunrise Sunset ComputerRafal O.12 Feb 2019, 16:36
Re: Search Party Reaches Last Known Endurance LocationBrad Morris12 Feb 2019, 03:34
Re: Search Party Reaches Last Known Endurance LocationRobert VanderPol II12 Feb 2019, 01:59
Re: Time zone sign conventionsGary LaPook11 Feb 2019, 21:01
Re: Time zone sign conventionsBrad Morris11 Feb 2019, 16:52
Re: Search Party Reaches Last Known Endurance LocationBrad Morris11 Feb 2019, 16:29
Re: Time zone sign conventionsFrank Reed11 Feb 2019, 16:17
Re: Time zone sign conventionsSteve E. Bryant11 Feb 2019, 15:51
Re: Search Party Reaches Last Known Endurance LocationRobert VanderPol II11 Feb 2019, 13:55
Re: Latitude by PolarisAndrés Ruiz11 Feb 2019, 07:34
Re: Latitude by PolarisThomas Spidle11 Feb 2019, 01:10
Search Party Reaches Last Known Endurance LocationBrad Morris11 Feb 2019, 00:20
Re: Moon, Venus and Jupiter todayFrank Reed10 Feb 2019, 19:40
Re: ADMIN NavList on small screensFrank Reed10 Feb 2019, 18:33
Re: Moon, Venus and Jupiter todayEd Popko10 Feb 2019, 13:09
ADMIN: NavList Operations ContributionsFrank Reed10 Feb 2019, 05:25
Re: Moon, Venus and Jupiter todayBill Ritchie10 Feb 2019, 02:04
Latitude by PolarisTony Oz9 Feb 2019, 23:37
Re: Noticed by the James Caird Society!Brad Morris9 Feb 2019, 15:38
Re: Noticed by the James Caird Society!Robin Stuart8 Feb 2019, 17:47
Re: More on the North Magnetic Pole (NYT)Frank Reed8 Feb 2019, 17:31
Re: Noticed by the James Caird Society!Adrian F8 Feb 2019, 16:43
Re: Gyro sextantDavid Pike8 Feb 2019, 16:31
Re: Gyro sextantDavid Pike8 Feb 2019, 15:50
Re: Northern Limits of Magnetic Compass UsefulnessEd Popko8 Feb 2019, 12:55
Re: ADMIN NavList on small screensDavid C7 Feb 2019, 23:30
Re: ADMIN NavList on small screensDavid C7 Feb 2019, 23:14
Re: Northern Limits of Magnetic Compass UsefulnessFrank Reed7 Feb 2019, 21:09
Re: What sextant to buy ?Michael Bradley7 Feb 2019, 12:08
Re: ADMIN NavList on small screensHerman Dekker7 Feb 2019, 09:01
Re: Gyro sextantTony Oz7 Feb 2019, 08:55
Re: What sextant to buy ?Örjan Sandström7 Feb 2019, 06:09
Re: Gyro sextantBill Morris7 Feb 2019, 03:13
Re: Gyro sextantBill Morris7 Feb 2019, 02:54
Re: ADMIN NavList on small screensFrank Reed7 Feb 2019, 02:50
Re: More on the North Magnetic Pole (NYT)John D. Howard7 Feb 2019, 00:23
Re: ADMIN NavList on small screensEd Popko6 Feb 2019, 23:01
Re: ADMIN NavList on small screensFrank Reed6 Feb 2019, 21:49
Re: Northern Limits of Magnetic Compass UsefulnessFrank Reed6 Feb 2019, 21:30
Re: More on the North Magnetic Pole (NYT)Frank Reed6 Feb 2019, 21:02
Re: ADMIN NavList on small screensJohn D. Howard6 Feb 2019, 20:58
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe6 Feb 2019, 20:51
Re: Northern Limits of Magnetic Compass UsefulnessGreg Rudzinski6 Feb 2019, 20:41
Re: Northern Limits of Magnetic Compass UsefulnessTony Oz6 Feb 2019, 20:34
Re: What sextant to buy ?Luc Van den Borre6 Feb 2019, 20:28
Re: Northern Limits of Magnetic Compass UsefulnessTony Oz6 Feb 2019, 20:10
Re: Northern Limits of Magnetic Compass UsefulnessFrank Reed6 Feb 2019, 20:08
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe6 Feb 2019, 18:26
Re: What sextant to buy ?Brad Morris6 Feb 2019, 17:35
Re: ADMIN NavList on small screensFrank Reed6 Feb 2019, 17:04
Re: What sextant to buy ?Bruce Cutting6 Feb 2019, 16:20
Re: ADMIN NavList on small screensBrad Morris6 Feb 2019, 16:20
Re: What sextant to buy ?Bruce J. Pennino6 Feb 2019, 15:33
Re: What sextant to buy ?Greg Rudzinski6 Feb 2019, 13:08
Re: ADMIN NavList on small screensEd Popko6 Feb 2019, 12:43
Re: ADMIN NavList on small screensBob Goethe6 Feb 2019, 12:40
Re: ADMIN NavList on small screensBrad Morris6 Feb 2019, 10:32
Re: ADMIN NavList on small screensBrad Morris6 Feb 2019, 10:28
Re: What sextant to buy ?Bill Lionheart6 Feb 2019, 09:43
Re: What sextant to buy ?Terry Syrokosz6 Feb 2019, 09:35
Re: Northern Limits of Magnetic Compass UsefulnessTony Oz6 Feb 2019, 09:17
ADMIN NavList on small screensFrank Reed6 Feb 2019, 07:25
Re: What sextant to buy ?Frank Reed6 Feb 2019, 06:46
What sextant to buy ?Terry Syrokosz6 Feb 2019, 00:25
Re: More on the North Magnetic Pole (NYT)Frank Reed6 Feb 2019, 00:05
Re: Northern Limits of Magnetic Compass UsefulnessFrank Reed5 Feb 2019, 23:04
Re: Is most probable position (MPP) a dangerous misnomer?Bill Lionheart5 Feb 2019, 22:22
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe5 Feb 2019, 21:52
Re: Examples of cocked hat far from equilateralBill Lionheart5 Feb 2019, 21:37
Re: More on the North Magnetic Pole (NYT)Tony Oz5 Feb 2019, 21:00
Re: Is most probable position (MPP) a dangerous misnomer?Frank Reed5 Feb 2019, 20:06
Re: Moon, Venus and Jupiter todayEd Popko5 Feb 2019, 19:52
Re: Is most probable position (MPP) a dangerous misnomer?David Pike5 Feb 2019, 19:42
Re: Examples of cocked hat far from equilateralDavid Pike5 Feb 2019, 19:37
Re: Moon, Venus and Jupiter todayAndrés Ruiz5 Feb 2019, 19:24
Re: More on the North Magnetic Pole (NYT)Frank Reed5 Feb 2019, 17:49
Re: More on the North Magnetic Pole (NYT)Jackson McDonald5 Feb 2019, 17:41
Re: More on the North Magnetic Pole (NYT)Tony Oz5 Feb 2019, 14:04
Re: Pointless? Optimisation - Intercept PlottingTony Oz5 Feb 2019, 12:33
Re: Is most probable position (MPP) a dangerous misnomer?Andrés Ruiz5 Feb 2019, 09:35
Re: Any reading suggestions?Örjan Sandström5 Feb 2019, 08:57
More on the North Magnetic Pole (NYT)Jackson McDonald5 Feb 2019, 07:20
Re: Northern Limits of Magnetic Compass UsefulnessBob Goethe4 Feb 2019, 22:32
Re: Examples of cocked hat far from equilateralGreg Rudzinski4 Feb 2019, 22:07
Re: Examples of cocked hat far from equilateralGreg Rudzinski4 Feb 2019, 21:27
Re: Pointless? Optimisation - Intercept PlottingJohn D. Howard4 Feb 2019, 21:24
Re: Pointless? Optimisation - Intercept PlottingPaul Hirose4 Feb 2019, 20:06
Re: Pointless? Optimisation - Intercept PlottingMichael Bradley4 Feb 2019, 19:54
Re: Any reading suggestions?James Hofmann4 Feb 2019, 18:46
Re: Examples of cocked hat far from equilateralGary LaPook4 Feb 2019, 18:40
Re: Examples of cocked hat far from equilateralBob Goethe4 Feb 2019, 18:31
Re: Is most probable position (MPP) a dangerous misnomer?Bill Lionheart4 Feb 2019, 12:49
Examples of cocked hat far from equilateralBill Lionheart4 Feb 2019, 10:07
Re: Pointless? Optimisation - Intercept PlottingTony Oz4 Feb 2019, 09:47
Re: Any reading suggestions?Örjan Sandström4 Feb 2019, 09:33
Re: Pointless? Optimisation - Intercept PlottingMichael Bradley3 Feb 2019, 22:40
Re: Pointless? Optimisation - Intercept PlottingPaul Hirose3 Feb 2019, 19:27
Re: Moon, Venus and Jupiter todayEd Popko3 Feb 2019, 16:58
Re: Moon, Venus and Jupiter todayMike Burkes3 Feb 2019, 15:41
Re: Northern Limits of Magnetic Compass UsefulnessDavid Pike3 Feb 2019, 11:52
Re: Gyro sextantDavid Pike3 Feb 2019, 11:13
Re: Gyro sextantTony Oz3 Feb 2019, 09:10
Re: Gyro sextantBill Morris2 Feb 2019, 22:55
Re: Moon, Venus and Jupiter todayEd Popko2 Feb 2019, 22:01
Re: Northern Limits of Magnetic Compass UsefulnessTony Oz2 Feb 2019, 21:53
Re: Northern Limits of Magnetic Compass UsefulnessGary LaPook2 Feb 2019, 20:49
Re: Northern Limits of Magnetic Compass UsefulnessBrad Morris2 Feb 2019, 20:04
Re: Northern Limits of Magnetic Compass UsefulnessGreg Rudzinski2 Feb 2019, 19:33
Northern Limits of Magnetic Compass UsefulnessBob Goethe2 Feb 2019, 19:06
Re: Moon, Venus and Jupiter todayRon Jones2 Feb 2019, 18:13
Re: Moon, Venus and Jupiter todayEd Popko2 Feb 2019, 12:22
Re: Pointless? Optimisation - Intercept PlottingMichael Bradley2 Feb 2019, 10:27
Re: Pointless? Optimisation - Intercept PlottingBrad Morris2 Feb 2019, 00:02
Re: Pointless? Optimisation - Intercept PlottingMichael Bradley1 Feb 2019, 22:09
Re: Any reading suggestions?Paul Hirose1 Feb 2019, 20:39
Pointless? Optimisation - Intercept PlottingMichael Bradley1 Feb 2019, 19:25
Re: Any reading suggestions?Brad Morris1 Feb 2019, 15:26
Re: Any reading suggestions?David Pike1 Feb 2019, 14:39
Re: Any reading suggestions?Greg Rudzinski1 Feb 2019, 13:04
Any reading suggestions?Örjan Sandström1 Feb 2019, 10:26
Re: Moon, Venus and Jupiter todayAntoine Couëtte1 Feb 2019, 08:23
Moon, Venus and Jupiter todayAndrés Ruiz1 Feb 2019, 07:21
Re: Compatibility Freiberger / SNO-TBill Morris1 Feb 2019, 03:26
Re: Sir John Franklin's artificial horizonGary LaPook31 Jan 2019, 18:03
Re: Sir John Franklin's artificial horizonMichael Bradley31 Jan 2019, 15:53
Re: Sir John Franklin's artificial horizonRobin Stuart31 Jan 2019, 12:40
Re: Gyro sextantDavid Pike31 Jan 2019, 10:39
Sir John Franklin's artificial horizonGary LaPook31 Jan 2019, 09:36
Compatibility Freiberger / SNO-TPosth P31 Jan 2019, 07:36
Re: Gyro sextantDavid Pike30 Jan 2019, 22:21
Re: Sun and moon at the North Pole.Frank Reed30 Jan 2019, 20:28
Re: With the aid of CN, Van Den Heede wins the Golden Globe round-the-world raceFrank Reed30 Jan 2019, 19:22
Re: With the aid of CN, Van Den Heede wins the Golden Globe round-the-world raceGreg Rudzinski30 Jan 2019, 18:35
Re: Sun and moon at the North Pole.Brad Morris30 Jan 2019, 18:28
With the aid of CN, Van Den Heede wins the Golden Globe round-the-world raceEd Popko30 Jan 2019, 11:09
Re: Sun and moon at the North Pole.Frank Reed30 Jan 2019, 06:28
Re: Sun and moon at the North Pole.Brad Morris30 Jan 2019, 04:57
Re: Sun and moon at the North Pole.Frank Reed30 Jan 2019, 03:52
Re: Sun and moon at the North Pole.Brad Morris30 Jan 2019, 02:13
Re: Sun and moon at the North Pole.Frank Reed30 Jan 2019, 01:26
Re: Sun and moon at the North Pole.Brad Morris30 Jan 2019, 00:48
Re: Sun and moon at the North Pole.David Pike30 Jan 2019, 00:00
Re: In memoriam: Stan KleinPete Solon Palmer29 Jan 2019, 18:37
Re: Sun and moon at the North Pole.Brad Morris29 Jan 2019, 17:26
Re: Sun and moon at the North Pole.Robert Wyatt29 Jan 2019, 17:18
Re: Sun and moon at the North Pole.Brad Morris29 Jan 2019, 17:16
Re: Sun and moon at the North Pole.Frank Reed29 Jan 2019, 17:11
Sun and moon at the North Pole.Tom Sult29 Jan 2019, 15:39
Re: Gyro sextantSean C29 Jan 2019, 06:06
Re: In memoriam: Stan KleinAlan S28 Jan 2019, 22:05
Re: In memoriam: Stan KleinMark Coady28 Jan 2019, 19:46
Question about history of lunar distanceDucruy Jacques28 Jan 2019, 17:07
Re: In memoriam: Stan KleinDave Walden28 Jan 2019, 14:31
Re: Gyro sextantDavid Pike28 Jan 2019, 09:56
Re: Gyro sextantGeoffrey Kolbe28 Jan 2019, 07:05
Re: In memoriam: Stan KleinAndrés Ruiz28 Jan 2019, 06:55
Re: In memoriam: Stan KleinSean C28 Jan 2019, 06:06
Re: In memoriam: Stan KleinSteve E. Bryant28 Jan 2019, 03:33
Re: In memoriam: Stan KleinEd Popko27 Jan 2019, 22:33
In memoriam: Stan KleinFrank Reed27 Jan 2019, 19:20
Re: Gyro sextantTony Oz27 Jan 2019, 18:51
So much for the lunar eclipseLu Abel27 Jan 2019, 16:57
Re: Gyro sextantBrad Morris27 Jan 2019, 16:23
Re: Gyro sextantGeoffrey Kolbe27 Jan 2019, 15:34
Re: Gyro sextantDavid Pike27 Jan 2019, 11:41
Re: Gyro sextantDavid Pike27 Jan 2019, 11:16
Re: Gyro sextantBrad Morris27 Jan 2019, 03:57
Re: Gyro sextantBruce Cutting27 Jan 2019, 00:47
Re: Gyro sextantBruce Cutting27 Jan 2019, 00:33
Re: Gyro sextantDavid Pike26 Jan 2019, 23:31
Re: Gyro sextantBrad Morris26 Jan 2019, 22:38
Navi, Dnoces, and RegorFrank Reed26 Jan 2019, 22:06
Re: Gyro sextantBill Morris26 Jan 2019, 21:11
Re: Gyro sextantChris Caswell26 Jan 2019, 15:46
Re: Gyro sextantTony Oz26 Jan 2019, 08:51
Re: Gyro sextantDavid Pike26 Jan 2019, 00:03
Re: Gyro sextantDavid Pike25 Jan 2019, 23:47
Re: Gyro sextantPaul Brewer25 Jan 2019, 22:41
Re: Gyro sextantBill Morris25 Jan 2019, 21:32
Re: Gyro sextantPaul Brewer25 Jan 2019, 21:01
Re: Gyro sextantAlexandre Eremenko25 Jan 2019, 20:11
ADMIN website slowFrank Reed25 Jan 2019, 19:45
Re: Gyro sextantDavid Pike25 Jan 2019, 10:13
Re: Gyro sextantDavid Pike25 Jan 2019, 09:42
Re: Gyro sextantDavid Pike25 Jan 2019, 09:21
Re: Gyro sextantPaul Brewer25 Jan 2019, 09:08
Re: Gyro sextantSean C25 Jan 2019, 07:02
Re: Glowing space billboards could show ads in the night skyFrank Reed25 Jan 2019, 02:48
Re: Kollsman periscopic sextant mountJacob M. Huffman III25 Jan 2019, 01:33
Re: Gyro sextantDavid Pike24 Jan 2019, 23:21
Re: Kollsman periscopic sextant mountKen Gebhart24 Jan 2019, 23:12
Re: Gyro sextantBrad Morris24 Jan 2019, 22:17
Re: Gyro sextantPaul Brewer24 Jan 2019, 21:17
Re: Gyro sextantGary LaPook24 Jan 2019, 21:13
Re: Lunars on eclipse day, IE surprise and time bracketsEd Popko24 Jan 2019, 20:17
Re: Gyro sextantTony Oz24 Jan 2019, 19:20
Re: Gyro sextantFrank Reed24 Jan 2019, 19:02
Re: Live AIS trackingDamian Lopez24 Jan 2019, 18:39
Re: Lunars on eclipse day, IE surprise and time bracketsFrank Reed24 Jan 2019, 18:28
Re: A DIY Faraday cage: caveats and hints?Damian Lopez24 Jan 2019, 18:09
Re: Gyro sextantTony Oz24 Jan 2019, 18:01
Re: Gyro sextantAlexandre Eremenko24 Jan 2019, 16:57
Lunars on eclipse day, IE surprise and time bracketsEd Popko24 Jan 2019, 14:58
Re: Gyro sextantTony Oz24 Jan 2019, 14:49
Re: New Year's resolutionsAndrés Ruiz24 Jan 2019, 08:29
Re: A DIY Faraday cage: caveats and hints?Mark Coady24 Jan 2019, 03:32
Glowing space billboards could show ads in the night skySean C24 Jan 2019, 02:53
Re: Gyro sextantBrad Morris24 Jan 2019, 01:39
Re: Live AIS trackingMark Coady24 Jan 2019, 01:26
Re: CNAV and Rearranging the mass of the earth's water?Mark Coady24 Jan 2019, 00:34
Re: Gyro sextantBrad Morris24 Jan 2019, 00:29
Re: Live AIS trackingBrad Morris24 Jan 2019, 00:04
Gyro sextantBill Morris23 Jan 2019, 22:38
Re: Live AIS trackingFrank Reed23 Jan 2019, 21:35
Re: Live AIS trackingDamian Lopez23 Jan 2019, 20:55
Re: CNAV and Rearranging the mass of the earth's water?Frank Reed23 Jan 2019, 20:39
Re: Live AIS trackingBrad Morris23 Jan 2019, 18:14
Re: CNAV and Rearranging the mass of the earth's water?Brad Morris23 Jan 2019, 17:19
Re: Live AIS trackingBruce Cutting23 Jan 2019, 16:41
CNAV and Rearranging the mass of the earth's water?Mark Coady23 Jan 2019, 13:47
Why paper maps still matter in the digital ageJackson McDonald23 Jan 2019, 11:36
Live AIS trackingGary LaPook23 Jan 2019, 07:27
Re: A DIY Faraday cage: caveats and hints?Brad Morris22 Jan 2019, 22:47
Re: A DIY Faraday cage: caveats and hints?Tony Oz22 Jan 2019, 20:43
Re: A DIY Faraday cage: caveats and hints?Brad Morris22 Jan 2019, 18:23
Re: A DIY Faraday cage: caveats and hints?Tony Oz22 Jan 2019, 16:30
Re: A DIY Faraday cage: caveats and hints?Frank Reed22 Jan 2019, 16:09
Re: A DIY Faraday cage: caveats and hints?Tony Oz22 Jan 2019, 15:49
Re: A DIY Faraday cage: caveats and hints?Robert Wyatt22 Jan 2019, 15:33
Re: A DIY Faraday cage: caveats and hints?Greg Rudzinski22 Jan 2019, 15:16
Re: A DIY Faraday cage: caveats and hints?Tony Oz22 Jan 2019, 14:51
Re: A DIY Faraday cage: caveats and hints?Robert VanderPol II22 Jan 2019, 14:31
Re: A DIY Faraday cage: caveats and hints?Damian Lopez22 Jan 2019, 13:50
Re: A DIY Faraday cage: caveats and hints?Dennis Jewitt22 Jan 2019, 13:33
A DIY Faraday cage: caveats and hints?Tony Oz22 Jan 2019, 11:06
Re: Life on the OceanBrian Walton22 Jan 2019, 04:40
Re: Flying to AntarcticaAntoine Couëtte22 Jan 2019, 00:41
Re: The Moon is near zenith at 60 N these daysFrank Reed21 Jan 2019, 21:21
Re: The Moon is near zenith at 60 N these daysDavid Pike21 Jan 2019, 21:03
Re: Flying to AntarcticaFrank Reed21 Jan 2019, 21:00
Re: Flying to AntarcticaDavid Pike21 Jan 2019, 20:43
Re: The Moon is near zenith at 60 N these daysTony Oz21 Jan 2019, 19:47
Re: Flying to AntarcticaDavid Pike21 Jan 2019, 19:40
The Moon is near zenith at 60 N these daysTony Oz21 Jan 2019, 19:15
Re: Flying to AntarcticaBrad Morris21 Jan 2019, 16:12
Re: Flying to AntarcticaAntoine Couëtte21 Jan 2019, 11:07
Re: Flying to AntarcticaBrad Morris21 Jan 2019, 02:56
Re: Flying to AntarcticaJohn D. Howard21 Jan 2019, 02:09
Re: Flying to AntarcticaBrad Morris21 Jan 2019, 01:30
Re: Flying to AntarcticaDavid C21 Jan 2019, 01:03
Re: Flying to AntarcticaDavid C21 Jan 2019, 00:32
Re: Why no airtraffic over Antarctica?Gary LaPook21 Jan 2019, 00:19
Various editions of Burton's navigation tablesAlan S20 Jan 2019, 22:55
Re: Flying to AntarcticaRoger W. Sinnott20 Jan 2019, 22:23
Finding UT from a lunar eclipseRoger W. Sinnott20 Jan 2019, 21:48
Lunar Eclipse in Icy New EnglandFrank Reed20 Jan 2019, 21:44
Re: Flying to AntarcticaBrad Morris20 Jan 2019, 20:30
Re: Flying to AntarcticaBrad Morris20 Jan 2019, 19:50
Dr. Gladys West, inducted into Air Force Hall Of FamePaul Saffo20 Jan 2019, 19:08
Re: Flying to AntarcticaJohn D. Howard20 Jan 2019, 19:02
Flying to AntarcticaBrad Morris20 Jan 2019, 17:38
Re: Why no airtraffic over Antarctica?Brad Morris20 Jan 2019, 17:30
Re: Why no airtraffic over Antarctica?John D. Howard20 Jan 2019, 17:21
Re: Why no airtraffic over Antarctica?Robert VanderPol II20 Jan 2019, 17:18
Re: Why no airtraffic over Antarctica?David C20 Jan 2019, 07:33
Re: Why no airtraffic over Antarctica?Gary LaPook20 Jan 2019, 05:44
Re: Why no airtraffic over Antarctica?Rommel John Miller20 Jan 2019, 00:19
Re: Why no airtraffic over Antarctica?Tony Oz19 Jan 2019, 23:28
Re: Moby Dick TalesTony Oz19 Jan 2019, 23:06
Re: Why no airtraffic over Antarctica?Frank Reed19 Jan 2019, 23:05
Re: Why no airtraffic over Antarctica?John D. Howard19 Jan 2019, 22:57
Re: Why no airtraffic over Antarctica?Brad Morris19 Jan 2019, 22:38
Why no airtraffic over Antarctica?Tony Oz19 Jan 2019, 22:12
Re: Moby Dick TalesFrank Reed19 Jan 2019, 21:56
Re: New Year's resolutionsFrank Reed19 Jan 2019, 21:15
Re: Finding great circle apex?Frank Reed19 Jan 2019, 19:55
Re: Finding great circle apex?Brad Morris19 Jan 2019, 17:45
Re: Finding great circle apex?David Pike19 Jan 2019, 14:50
Re: Makeover for MaskelyneRobin Stuart19 Jan 2019, 14:04
Re: Moby Dick TalesTony Oz19 Jan 2019, 10:58
Re: Finding great circle apex?Sean C19 Jan 2019, 05:19
Makeover for MaskelyneMarcelo S18 Jan 2019, 22:46
New Year's resolutionsJackson McDonald18 Jan 2019, 22:40
Re: Moby Dick TalesJackson McDonald18 Jan 2019, 21:53
Re: Murdoch's Sun-Sight Reduction ProgramDon Byers18 Jan 2019, 21:43
Murdoch's Sun-Sight Reduction ProgramDon Byers18 Jan 2019, 20:01
Re: Correcting declination for longitudeFrank Reed18 Jan 2019, 19:14
Correcting declination for longitudePaul Hughes18 Jan 2019, 19:05
Re: Finding great circle apex?David Pike18 Jan 2019, 13:21
Re: Finding great circle apex?Tony Oz18 Jan 2019, 08:37
Re: Finding great circle apex?Andrés Ruiz18 Jan 2019, 08:02
Re: Finding great circle apex?Andrés Ruiz18 Jan 2019, 07:54
Re: Finding great circle apex?Sean C17 Jan 2019, 21:53
Re: Finding great circle apex?David Pike17 Jan 2019, 20:31
Re: Finding great circle apex?Robin Stuart17 Jan 2019, 19:22
Re: Finding great circle apex?David Pike17 Jan 2019, 19:13
Re: Oh No! Fundamental flaw in celestial navigation revealed!Brad Morris17 Jan 2019, 19:02
Re: Oh No! Fundamental flaw in celestial navigation revealed!Tony Oz17 Jan 2019, 17:54
Re: Oh No! Fundamental flaw in celestial navigation revealed!Frank Reed17 Jan 2019, 17:07
Oh No! Fundamental flaw in celestial navigation revealed!Robin Stuart17 Jan 2019, 16:07
Finding great circle apex?Tony Oz17 Jan 2019, 10:54
Re: CN on the Moon: where are its' poles?Sean C17 Jan 2019, 05:52
Re: Spur of the moment long by chronBrad Morris16 Jan 2019, 22:45
Re: CN on the Moon: where are its' poles?Frank Reed16 Jan 2019, 19:32
Re: CN on the Moon: where are its' poles?Tony Oz16 Jan 2019, 17:35
Re: CN on the Moon: where are its' poles?Paul Dolkas16 Jan 2019, 17:20
Re: CN on the Moon: where are its' poles?Tony Oz16 Jan 2019, 16:53
Re: CN on the Moon: where are its' poles?Robert VanderPol II16 Jan 2019, 16:04
Re: CN on the Moon: where are its' poles?Frank Reed16 Jan 2019, 16:02
CN on the Moon: where are its' poles?Tony Oz16 Jan 2019, 11:01
Re: Spur of the moment long by chronBrian Walton16 Jan 2019, 05:47
Re: Moby Dick TalesBruce J. Pennino15 Jan 2019, 23:58
Re: Moby Dick TalesFrank Reed15 Jan 2019, 20:22
Re: Moby Dick TalesFrank Reed15 Jan 2019, 20:04
Re: Moby Dick TalesDon Seltzer15 Jan 2019, 19:06
Re: Followup on USS Fitzgerald CollisionBrad Morris15 Jan 2019, 18:17
Re: GPS Time and Network TimeBob Goethe15 Jan 2019, 17:52
Re: Alain Gerbault logbookPaul Bedel15 Jan 2019, 16:46
Re: Estimating distance on a Fractal WorldJohn D. Howard15 Jan 2019, 16:11
Re: Moby Dick TalesDon Seltzer15 Jan 2019, 15:06
Re: Life on the OceanBruce J. Pennino15 Jan 2019, 14:41
Followup on USS Fitzgerald CollisionMike Mayer15 Jan 2019, 13:07
Re: Spur of the moment long by chronBrad Morris15 Jan 2019, 11:35
Re: Life on the OceanBrian Walton15 Jan 2019, 04:16
Re: Spur of the moment long by chronBrian Walton15 Jan 2019, 02:43
Re: Life on the OceanDavid Pike14 Jan 2019, 23:39
GPS 3 and the history of GPSRichard Easton14 Jan 2019, 22:53
Re: Life on the OceanFrank Reed14 Jan 2019, 22:48
Re: Life on the OceanEd Popko14 Jan 2019, 22:43
Re: Life on the OceanMichael Bradley14 Jan 2019, 22:37
Re: Life on the OceanTony Oz14 Jan 2019, 21:50
Re: Life on the OceanBrad Morris14 Jan 2019, 21:13
Re: Life on the OceanRobin Stuart14 Jan 2019, 20:52
Re: Estimating distance on a Fractal WorldGeoffrey Kolbe14 Jan 2019, 19:53
Re: Longitude by Lunar OccultationRobin Stuart14 Jan 2019, 18:59
Re: Life on the OceanBrad Morris14 Jan 2019, 18:07
Re: Life on the OceanLuc Van den Borre14 Jan 2019, 17:52
Re: Life on the OceanFrank Reed14 Jan 2019, 17:21
Re: Life on the OceanBrad Morris14 Jan 2019, 17:13
Re: Life on the OceanLuc Van den Borre14 Jan 2019, 16:37
Re: Extra! Extra! Read all about it.Frank Reed14 Jan 2019, 16:27
Re: Life on the OceanFrank Reed14 Jan 2019, 16:04
Extra! Extra! Read all about it.Robin Stuart14 Jan 2019, 15:50
Life on the OceanRobin Stuart14 Jan 2019, 15:14
Re: Earth's Magnetic North Pole is moving more and more quicklyBruce J. Pennino14 Jan 2019, 14:18
Re: Moby Dick TalesDavid Pike14 Jan 2019, 11:48
Re: Estimating distance on a Fractal WorldFrancis Upchurch14 Jan 2019, 05:19
Re: SlideRule usesPaul Dolkas14 Jan 2019, 04:27
Re: Moby Dick TalesMark Coady14 Jan 2019, 01:58
Re: Longitude by Lunar OccultationPaul Hirose13 Jan 2019, 23:16
Re: GPS Time and Network TimeBob Goethe13 Jan 2019, 23:12
Estimating distance on a Fractal WorldFrank Reed13 Jan 2019, 22:48
Re: GPS Time and Network TimeBill Morris13 Jan 2019, 22:18
Re: Earth's Magnetic North Pole is moving more and more quicklyGary LaPook13 Jan 2019, 20:44
Re: Earth's Magnetic North Pole is moving more and more quicklyBrad Morris13 Jan 2019, 20:26
Re: Earth's Magnetic North Pole is moving more and more quicklyFrank Reed13 Jan 2019, 20:25
Earth's Magnetic North Pole is moving more and more quicklyLu Abel13 Jan 2019, 18:18
Re: Longitude by Lunar OccultationRobin Stuart13 Jan 2019, 17:41
Re: Alain Gerbault logbookFrank Reed13 Jan 2019, 17:04
Re: Alain Gerbault logbookLars Bergman13 Jan 2019, 14:06
Re: Alain Gerbault logbookPaul Bedel13 Jan 2019, 10:43
Re: Moby Dick TalesBrad Morris13 Jan 2019, 00:50
Re: Longitude by Lunar OccultationPaul Hirose12 Jan 2019, 21:20
Re: Moby Dick TalesFrancis Upchurch12 Jan 2019, 20:56
Re: Declination magneticAndrés Ruiz12 Jan 2019, 20:27
Re: Moby Dick TalesFrank Reed12 Jan 2019, 19:24
Re: Declination magneticPaul Hughes12 Jan 2019, 18:32
Re: Moby Dick TalesDon Seltzer12 Jan 2019, 16:41
Re: Moby Dick TalesFrank Reed12 Jan 2019, 16:08
Re: Moby Dick TalesBrad Morris12 Jan 2019, 15:11
Re: Alain Gerbault logbookLars Bergman12 Jan 2019, 14:15
Declination magneticHerman Dekker12 Jan 2019, 10:23
SlideRule usesHerman Dekker12 Jan 2019, 10:04
Re: Longitude by Lunar OccultationPaul Hirose12 Jan 2019, 08:47
Re: Moby Dick TalesFrank Reed11 Jan 2019, 23:02
Re: Moby Dick TalesDavid Pike11 Jan 2019, 20:25
Re: Moby Dick TalesDon Seltzer11 Jan 2019, 19:41
Re: Moby Dick TalesBrad Morris11 Jan 2019, 19:07
Re: Longitude by Lunar OccultationRobin Stuart11 Jan 2019, 18:50
Re: Alain Gerbault logbookPaul Bedel11 Jan 2019, 14:35
Re: Moby Dick TalesDon Seltzer11 Jan 2019, 14:34
Re: Moby Dick TalesTony Oz11 Jan 2019, 10:18
Re: World Magnetic Model updateAndrés Ruiz11 Jan 2019, 07:17
Re: GPS Time and Network TimeSean C11 Jan 2019, 06:25
Re: GPS Time and Network TimeFrank Reed11 Jan 2019, 04:46
Re: Longitude by Lunar OccultationPaul Hirose11 Jan 2019, 04:24
Re: GPS Time and Network TimeDavid C11 Jan 2019, 02:52
Re: GPS Time and Network TimeDavid C11 Jan 2019, 02:18
Re: Moby Dick TalesDavid Pike10 Jan 2019, 23:55
World Magnetic Model updatePaul Hirose10 Jan 2019, 21:41
Re: Moby Dick TalesJackson McDonald10 Jan 2019, 20:55
Re: Moby Dick TalesBrad Morris10 Jan 2019, 20:29
Re: GPS Time and Network TimeBob Goethe10 Jan 2019, 20:21
Re: GPS Time and Network TimeBob Goethe10 Jan 2019, 20:03
Re: Alain Gerbault logbookLars Bergman10 Jan 2019, 19:59
Re: Moby Dick TalesTony Oz10 Jan 2019, 19:52
Re: GPS Time and Network TimeFrank Reed10 Jan 2019, 19:08
GPS Time and Network TimeBob Goethe10 Jan 2019, 18:54
Re: Moby Dick TalesFrancis Upchurch10 Jan 2019, 18:44
Re: Moby Dick TalesFrank Reed10 Jan 2019, 18:30
Re: Moby Dick TalesEd Popko10 Jan 2019, 16:23
Re: Moby Dick TalesDon Seltzer10 Jan 2019, 15:46
Re: Moby Dick TalesBrad Morris10 Jan 2019, 14:40
Re: Moby Dick TalesBruce J. Pennino10 Jan 2019, 14:22
Re: Radio Time signalsBill Lionheart10 Jan 2019, 11:51
Re: Alain Gerbault logbookLars Bergman10 Jan 2019, 11:18
Re: Moby Dick TalesGary LaPook10 Jan 2019, 09:39
Re: Moby Dick TalesRobert Eno10 Jan 2019, 05:36
Re: Moby Dick TalesJohn D. Howard10 Jan 2019, 04:30
Re: Moby Dick TalesDon Seltzer10 Jan 2019, 00:47
Re: Moby Dick TalesGreg Rudzinski10 Jan 2019, 00:25
Re: Moby Dick TalesEd Popko9 Jan 2019, 23:22
Re: Noticed by the James Caird Society!Brad Morris9 Jan 2019, 23:09
Re: Moby Dick TalesBob Goethe9 Jan 2019, 22:35
Re: Moby Dick TalesFrank Reed9 Jan 2019, 22:31
Moby Dick TalesBruce J. Pennino9 Jan 2019, 22:02
Re: Radio Time signalsRobert Wyatt9 Jan 2019, 20:14
Re: Radio Time signalsGary LaPook9 Jan 2019, 19:15
Re: Noticed by the James Caird Society!Ed Popko9 Jan 2019, 17:15
A DIY almanac and tables by Erik De ManTony Oz9 Jan 2019, 16:28
Re: Radio Time signalsTony Oz9 Jan 2019, 16:10
Noticed by the James Caird Society!Brad Morris9 Jan 2019, 14:46
Re: Replacement LED for Astra III B ArcCharles McElhill9 Jan 2019, 13:30
Radio Time signalsPosth P9 Jan 2019, 10:26
Re: ... few other mattersAndrés Ruiz9 Jan 2019, 07:23
Re: Leveling of artificial horizonBob Goethe9 Jan 2019, 01:14
Re: Replacement LED for Astra III B ArcSean C9 Jan 2019, 00:57
Re: Leveling of artificial horizonBrad Morris8 Jan 2019, 23:09
Re: Leveling of artificial horizonJohn D. Howard8 Jan 2019, 22:52
Re: ... few other mattersGreg Rudzinski8 Jan 2019, 21:26
Leveling of artificial horizonAlan S8 Jan 2019, 21:14
Re: Longitude by Lunar OccultationRobin Stuart8 Jan 2019, 20:56
Re: Longitude by Lunar OccultationRobin Stuart8 Jan 2019, 20:35
Replacement LED for Astra III B ArcCharles McElhill8 Jan 2019, 20:34
Alain Gerbault logbookPaul Bedel8 Jan 2019, 20:21
Re: Sighting errorsDavid Pike8 Jan 2019, 20:11
Re: ... few other mattersalexander duytschaever8 Jan 2019, 20:04
Re: Sighting errorsJoel Lynn8 Jan 2019, 19:17
Re: Longitude by Lunar OccultationGeoffrey Kolbe8 Jan 2019, 18:55
Re: Longitude by Lunar OccultationTony Oz8 Jan 2019, 18:04
Longitude by Lunar OccultationRobin Stuart8 Jan 2019, 16:27
Re: ... few other mattersAndrés Ruiz8 Jan 2019, 13:28
Re: Sighting errorsGeoffrey Kolbe8 Jan 2019, 12:52
Re: ADMIN private messages plus a few other mattersTony Oz8 Jan 2019, 09:40
Re: Sighting errorsBrad Morris8 Jan 2019, 04:43
Re: Sighting errorsJoel Lynn8 Jan 2019, 01:11
Re: Sighting errorsBrad Morris7 Jan 2019, 23:08
Re: Sighting errorsJoel Lynn7 Jan 2019, 22:09
Re: Sighting errorsPeter Monta7 Jan 2019, 21:36
Re: ADMIN private messages plus a few other mattersBrad Morris7 Jan 2019, 19:32
Re: Sighting errorsGreg Rudzinski7 Jan 2019, 19:29
Re: Sighting errorsBrad Morris7 Jan 2019, 19:20
... few other mattersAndrés Ruiz7 Jan 2019, 18:50
Sighting errorsJoel Lynn7 Jan 2019, 17:54
Re: ADMIN private messages plus a few other mattersAntoine Couëtte7 Jan 2019, 16:03
Re: ADMIN private messages plus a few other mattersBrad Morris7 Jan 2019, 15:52
Re: ADMIN private messages plus a few other mattersAntoine Couëtte7 Jan 2019, 09:00
Re: ADMIN private messages plus a few other mattersAlan S7 Jan 2019, 04:34
ADMIN private messages plus a few other mattersFrank Reed7 Jan 2019, 04:15
Re: Spur of the moment long by chronFrank Reed7 Jan 2019, 03:54
Re: Spur of the moment long by chronRobin Stuart5 Jan 2019, 19:35
Re: A lunar in 1845Ed Popko4 Jan 2019, 20:11
Re: A lunar in 1845Frank Reed4 Jan 2019, 17:34
Re: A lunar in 1845Ed Popko4 Jan 2019, 13:57
Re: Geogebra?Tony Oz3 Jan 2019, 19:46
Longitude inLars Bergman3 Jan 2019, 19:37
Re: A lunar in 1845Frank Reed3 Jan 2019, 18:00
Re: A lunar in 1845Jackson McDonald3 Jan 2019, 17:57
Re: A lunar in 1845Ed Popko3 Jan 2019, 12:02
Re: A lunar in 1845Frank Reed3 Jan 2019, 00:14
Re: A lunar in 1845Don Seltzer2 Jan 2019, 20:46
Re: A lunar in 1845Frank Reed2 Jan 2019, 17:43
Re: A lunar in 1845Don Seltzer2 Jan 2019, 14:54
Re: It's 2019...Bruce J. Pennino2 Jan 2019, 14:43
Re: Geogebra?Sean C2 Jan 2019, 12:07
Re: A lunar in 1845Ed Popko2 Jan 2019, 11:47
Re: It's 2019...Gary LaPook2 Jan 2019, 07:25
Re: It's 2019...David C2 Jan 2019, 05:04
Re: Welcome to the New YearBruce J. Pennino2 Jan 2019, 02:06
A lunar in 1845Frank Reed1 Jan 2019, 23:06
Re: Welcome to the New YearEd Popko1 Jan 2019, 22:08
Re: Welcome to the New YearRobert VanderPol II1 Jan 2019, 21:50
Re: It's 2019...Gary LaPook1 Jan 2019, 19:19
Re: It's 2019...Jackson McDonald1 Jan 2019, 15:13
Welcome to the New YearDerrick Young1 Jan 2019, 15:13
Re: It's 2019...Frank Reed1 Jan 2019, 14:51
It's 2019...Frank Reed1 Jan 2019, 00:05

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