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

Found: all from date 201903 to date 201903

Index includes 258 messages. Sorted by date, recent messages first.

                    
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

Index includes 258 messages.

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