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

March, 2019

Index includes 258 messages. Sorted alphabetically by subject.

                    
3D Navigation software questionMark Coady8 Mar, 20:42
Re: 3D Navigation software questionBrad Morris9 Mar, 14:30
Re: 3D Navigation software questionAndrés Ruiz9 Mar, 15:11
Ahab's Arithmetic; or, the mathematics of Moby-DickRobert H. van Gent29 Mar, 09:45
An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz4 Mar, 14:33
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart5 Mar, 11:50
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart5 Mar, 15:31
Re: An analytical solution of the two star sight problem of celestial navigationBruce Cutting5 Mar, 16:27
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz5 Mar, 20:17
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart6 Mar, 17:51
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz7 Mar, 19:53
Re: An analytical solution of the two star sight problem of celestial navigationFrank Reed7 Mar, 21:00
Re: An analytical solution of the two star sight problem of celestial navigationAndrés Ruiz8 Mar, 11:21
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart8 Mar, 18:59
Re: An analytical solution of the two star sight problem of celestial navigationBrad Morris9 Mar, 12:06
Re: An analytical solution of the two star sight problem of celestial navigationBill Lionheart9 Mar, 13:51
Re: An analytical solution of the two star sight problem of celestial navigationDavid Pike9 Mar, 16:15
Re: An analytical solution of the two star sight problem of celestial navigationBrad Morris9 Mar, 21:05
Re: An analytical solution of the two star sight problem of celestial navigationRobin Stuart15 Mar, 15:07
Article: Follow Canopus, Not Your CompassJackson McDonald26 Mar, 11:21
Re: Article: Follow Canopus, Not Your CompassTony Oz26 Mar, 19:57
Re: Article: Follow Canopus, Not Your CompassFrank Reed26 Mar, 19:57
Astro from a trainDavid C7 Mar, 07:12
Astron v2.1 release.Bill Ritchie23 Mar, 14:06
B-24 mission to MühldorfPaul Hirose16 Mar, 21:06
Bessel's solution of lunar distancesRoger W. Sinnott17 Mar, 15:33
Re: Bessel's solution of lunar distancesRobert H. van Gent18 Mar, 09:23
Re: Bessel's solution of lunar distancesMurray Peake18 Mar, 12:59
Re: Bessel's solution of lunar distancesRoger W. Sinnott19 Mar, 14:43
Re: Bessel's solution of lunar distancesFrank Reed19 Mar, 15:39
Re: Bessel's solution of lunar distancesRoger W. Sinnott20 Mar, 12:54
Bill Murdoch's TI-82 site reduction programWayne Miller12 Mar, 16:30
Bygrave sliderule for saleGary LaPook25 Mar, 21:16
Celestial Navigation: 19th Century Methods workshopFrank Reed31 Mar, 19:05
Conditional Cocked HatRobin Stuart21 Mar, 12:55
Corrections for latitude when taking sightsSteve E. Bryant11 Mar, 04:13
Re: Corrections for latitude when taking sightsBrad Morris11 Mar, 13:51
Re: Corrections for latitude when taking sightsDavid Pike11 Mar, 16:47
Re: Corrections for latitude when taking sightsBrad Morris12 Mar, 03:33
Re: Corrections for latitude when taking sightsBrian Walton12 Mar, 07:31
Re: Corrections for latitude when taking sightsDavid Pike12 Mar, 18:14
Re: Corrections for latitude when taking sightsSteve E. Bryant12 Mar, 20:22
Re: Corrections for latitude when taking sightsDavid Pike12 Mar, 21:56
Re: Corrections for latitude when taking sightsBrad Morris13 Mar, 02:19
Re: Corrections for latitude when taking sightsBrian Walton13 Mar, 04:15
Re: Corrections for latitude when taking sightsDavid Pike13 Mar, 08:29
Re: Corrections for latitude when taking sightsDavid Pike13 Mar, 16:42
Re: Corrections for latitude when taking sightsFrank Reed13 Mar, 19:09
Re: Corrections for latitude when taking sightsBrad Morris13 Mar, 19:29
Re: Corrections for latitude when taking sightsFrank Reed13 Mar, 20:01
Re: Corrections for latitude when taking sightsBrad Morris13 Mar, 20:56
Re: Corrections for latitude when taking sightsBrian Walton13 Mar, 22:07
Re: Corrections for latitude when taking sightsFrank Reed13 Mar, 23:02
Re: Corrections for latitude when taking sightsDavid Pike13 Mar, 23:56
Re: Corrections for latitude when taking sightsBrad Morris14 Mar, 00:57
Re: Corrections for latitude when taking sightsÖrjan Sandström15 Mar, 09:03
Re: Corrections for latitude when taking sightsFrank Reed15 Mar, 16:10
Re: CP-300/U Star FinderAlan S24 Mar, 02:13
Re: CP-300/U Star FinderEd Popko24 Mar, 09:48
Re: CP-300/U Star FinderAlan S26 Mar, 00:35
Re: CP-300/U Star FinderEd Popko26 Mar, 15:34
Cpu-50A/PTracy Shrier27 Mar, 01:43
Re: Cpu-50A/PBrad Morris27 Mar, 14:40
Re: Cpu-50A/PTracy Shrier27 Mar, 18:50
Re: Cpu-50A/PBrad Morris27 Mar, 22:10
Re: Cpu-50A/PBrad Morris27 Mar, 22:15
Re: Cpu-50A/PEd Popko29 Mar, 10:44
Dip ShortDavid C7 Mar, 07:50
Re: Dip ShortDavid Pike7 Mar, 16:12
Re: Dip ShortBrad Morris7 Mar, 16:18
Re: Dip ShortDavid Pike8 Mar, 00:29
Douglas-Appleyard Arcless Sextant - HelpJohn D. Howard31 Mar, 18:53
Re: Douglas-Appleyard Arcless Sextant - HelpDavid Pike31 Mar, 20:07
Douglas-Appleyard Arcless SextantJohn D. Howard29 Mar, 16:09
Re: Douglas-Appleyard Arcless SextantDavid Pike31 Mar, 14:44
Re: Douglas-Appleyard Arcless SextantJohn D. Howard31 Mar, 16:41
Ebbco Intercept Data using Davis Artificial HorizonGreg Rudzinski5 Mar, 20:48
Re: Ebbco Intercept Data using Davis Artificial HorizonMichael Bradley5 Mar, 23:20
Ebony OctantChris Caswell11 Mar, 22:37
Re: Ebony OctantJohn D. Howard12 Mar, 02:47
Re: Ebony OctantAlexandre Eremenko12 Mar, 13:09
Re: Ebony OctantBill Morris12 Mar, 21:04
Re: Ebony OctantChris Caswell13 Mar, 10:54
Ellipse of Confidence in position findingAndrés Ruiz9 Mar, 15:00
Re: Ellipse of Confidence in position findingBill Lionheart10 Mar, 18:36
Re: Ellipse of Confidence in position findingAndrés Ruiz11 Mar, 08:15
Re: Ellipse of Confidence in position findingBill Lionheart13 Mar, 07:51
Re: Ellipse of Confidence in position findingAndrés Ruiz14 Mar, 13:57
Re: Ellipse of Confidence in position findingBill Lionheart15 Mar, 08:58
Re: Ellipse of Confidence in position findingRobin Stuart15 Mar, 20:18
Re: Ellipse of Confidence in position findingRobin Stuart15 Mar, 20:40
Re: Ellipse of Confidence in position findingGeoffrey Kolbe17 Mar, 06:43
Re: Ellipse of Confidence in position findingRobin Stuart17 Mar, 16:05
Re: Ellipse of Confidence in position findingDavid Pike17 Mar, 18:25
Re: Ellipse of Confidence in position findingBill Lionheart18 Mar, 07:22
Re: Ellipse of Confidence in position findingDavid Pike18 Mar, 11:29
Re: Ellipse of Confidence in position findingRobin Stuart18 Mar, 16:17
Re: Ellipse of Confidence in position findingDavid Pike18 Mar, 19:34
Re: Ellipse of Confidence in position findingAndrés Ruiz20 Mar, 07:26
Re: Ellipse of Confidence in position findingAndrés Ruiz20 Mar, 07:57
Re: Ellipse of Confidence in position findingAndrés Ruiz21 Mar, 08:44
First Point of Aries newbie questionEamonn Sparling5 Mar, 17:22
Re: First Point of Aries newbie questionFrank Reed5 Mar, 18:41
Re: First Point of Aries newbie questionBob Goethe5 Mar, 19:37
Re: First Point of Aries newbie questionRommel John Miller5 Mar, 20:14
GPS Anti Spoof app updateFrank Reed31 Mar, 18:14
Re: GPS Anti Spoof app updateTony Oz31 Mar, 20:20
Human magnetic senseFrank Reed19 Mar, 15:05
Re: Human magnetic senseTony Oz20 Mar, 08:50
Index mirror typeIgor S.18 Mar, 21:48
Re: Index mirror typeAlexandre Eremenko19 Mar, 00:10
Re: Index mirror typeAlexandre Eremenko19 Mar, 00:16
Re: Index mirror typePosth P19 Mar, 10:12
Introductory Celestial Navigation workshops coming up...Frank Reed5 Mar, 18:32
Re: Kollsman periscopic sextant mountRussell Crum26 Mar, 05:19
Re: Kollsman periscopic sextant mountDavid Pike30 Mar, 20:45
Re: Kollsman periscopic sextant mountPaul Hirose30 Mar, 21:41
Re: Kollsman periscopic sextant mountDavid Pike31 Mar, 11:43
Re: Magnetic variation changing faster than anticipatedJohn D. Howard1 Mar, 00:09
Re: Magnetic variation changing faster than anticipatedDavid Pike6 Mar, 18:20
Re: Mark 15 sextantsMichael Bradley1 Mar, 08:58
Re: Mark 15 sextantsGreg Rudzinski1 Mar, 15:43
Re: Mark 15 sextantsMichael Bradley1 Mar, 17:47
Mercury in retrogradePaul Hirose7 Mar, 22:18
Re: Mercury in retrogradeTony Oz8 Mar, 09:50
Re: Mercury in retrogradePaul Hirose8 Mar, 19:15
Re: Mercury in retrogradeJackson McDonald9 Mar, 11:58
Mercury is the closest planet, on average...Frank Reed15 Mar, 22:09
Re: Mercury is the closest planet, on average...David Pike16 Mar, 08:58
Re: Mercury is the closest planet, on average...Bill Lionheart16 Mar, 16:16
Mirror recoatingChris Caswell25 Mar, 22:22
Re: Mirror recoatingAlexandre Eremenko26 Mar, 00:04
Re: Mirror recoatingBill Morris26 Mar, 03:49
Re: Mirror recoatingTony Oz26 Mar, 14:21
Re: Mirror recoatingIgor S.26 Mar, 15:41
Re: Mirror recoatingDustin Baenen26 Mar, 17:12
Re: Mirror recoatingAlexandre Eremenko26 Mar, 19:02
Re: Mirror recoatingAlexandre Eremenko26 Mar, 19:34
Re: Mirror recoatingFrank Reed26 Mar, 19:37
Re: Mirror recoatingTony Oz26 Mar, 19:50
Re: Mirror recoatingAlexandre Eremenko26 Mar, 21:09
Re: Mirror recoatingPaul Hirose26 Mar, 21:44
Re: Mirror recoatingTony Oz27 Mar, 07:25
Re: Mirror recoatingChris Caswell27 Mar, 11:02
Re: Mirror recoatingJim Hickey27 Mar, 13:10
Re: Mirror recoatingPeter Monta27 Mar, 15:50
Re: Mirror recoatingPeter Monta27 Mar, 15:58
Re: Mirror recoatingPeter Monta27 Mar, 16:07
Re: Mirror recoatingTony Oz27 Mar, 16:37
Re: Mirror recoatingJim Hickey27 Mar, 19:52
Re: Mirror recoatingÖrjan Sandström27 Mar, 22:09
Re: Mirror recoatingÖrjan Sandström27 Mar, 22:09
Re: Mirror recoatingTony Oz28 Mar, 12:03
Moon's crescent when viewed from low latitudesTony Oz12 Mar, 08:58
Re: Moon's crescent when viewed from low latitudesMichael Bradley13 Mar, 00:34
Obtuse versus acute cocked hatBill Lionheart21 Mar, 08:07
Re: Obtuse versus acute cocked hatRobin Stuart21 Mar, 18:36
Re: Obtuse versus acute cocked hatBill Lionheart21 Mar, 21:14
Re: Obtuse versus acute cocked hatDavid Pike21 Mar, 23:24
Re: Obtuse versus acute cocked hatRobin Stuart23 Mar, 14:37
Re: Obtuse versus acute cocked hatRobin Stuart24 Mar, 15:56
Re: Obtuse versus acute cocked hatBill Lionheart26 Mar, 10:32
Old stone walls record the changing location of magnetic northJackson McDonald12 Mar, 13:22
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar, 17:17
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar, 17:21
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar, 17:48
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar, 18:05
Re: Old stone walls record the changing location of magnetic northRobin Stuart12 Mar, 20:24
Re: Old stone walls record the changing location of magnetic northFrank Reed12 Mar, 20:42
Re: Old stone walls record the changing location of magnetic northBrad Morris12 Mar, 20:56
Re: Old stone walls record the changing location of magnetic northLu Abel12 Mar, 21:35
Re: Old stone walls record the changing location of magnetic northBruce J. Pennino12 Mar, 23:36
Possible GPS Date Rollover problems week of April 6, 2019Derrick Young15 Mar, 23:49
Re: Possible GPS Date Rollover problems week of April 6, 2019Ed Popko26 Mar, 20:52
Re: Possible GPS Date Rollover problems week of April 6, 2019Derrick Young26 Mar, 21:49
Re: Possible GPS Date Rollover problems week of April 6, 2019Lu Abel27 Mar, 00:23
Re: Possible GPS Date Rollover problems week of April 6, 2019Brad Morris27 Mar, 14:38
Re: Possible GPS Date Rollover problems week of April 6, 2019Richard B. Langley28 Mar, 12:01
Re: Possible GPS Date Rollover problems week of April 6, 2019Paul Hirose30 Mar, 21:41
Quiz Question: Advanced the science of navigationStuart Middleton12 Mar, 12:08
Resilvering sextant mirror, 1919Paul Hirose2 Mar, 05:00
Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Bill Lionheart30 Mar, 12:48
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"David Pike30 Mar, 21:49
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Bill Lionheart31 Mar, 08:18
Sarl-CPI sextantsAlberto Najar18 Mar, 22:01
Re: Sarl-CPI sextantsPaul Bedel20 Mar, 11:04
Short Term Proper MotionBill Bertrand9 Mar, 16:19
Re: Short Term Proper MotionPaul Hirose10 Mar, 23:37
Re: Short Term Proper MotionPeter Monta11 Mar, 00:43
Re: Short Term Proper MotionBill Bertrand11 Mar, 15:54
Re: Short Term Proper MotionRoger W. Sinnott12 Mar, 12:59
Re: Short Term Proper MotionPaul Hirose13 Mar, 03:42
Re: Short Term Proper MotionPaul Hirose13 Mar, 17:40
Re: T Hav Doniol Sumner LOP ExampleBrian Walton6 Mar, 04:12
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski6 Mar, 14:54
Re: T Hav Doniol Sumner LOP ExampleBrian Walton8 Mar, 14:11
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski8 Mar, 20:00
Re: T Hav Doniol Sumner LOP ExampleLars Bergman9 Mar, 21:11
Re: T Hav Doniol Sumner LOP ExampleBrian Walton10 Mar, 06:31
The Appleyard Course and Distance ComputerDavid Pike1 Mar, 22:12
Re: The Appleyard Course and Distance ComputerDave Walden3 Mar, 15:21
Re: The Appleyard Course and Distance ComputerDavid Pike5 Mar, 22:10
Re: The Appleyard Course and Distance ComputerDave Walden6 Mar, 15:12
Re: The Appleyard Course and Distance ComputerDavid Pike6 Mar, 18:13
Re: The Appleyard Course and Distance ComputerDavid Pike6 Mar, 21:58
Re: The Appleyard Course and Distance ComputerAdrian F11 Mar, 17:51
Re: The Appleyard Course and Distance ComputerDavid Pike15 Mar, 21:21
Re: The Appleyard Course and Distance ComputerDave Walden18 Mar, 23:37
Today’s the Spring EquinoxDavid Pike20 Mar, 13:50
Re: Today’s the Spring EquinoxDavid C20 Mar, 22:25
Re: Today’s the Spring EquinoxDavid C20 Mar, 22:31
Re: Today’s the Spring EquinoxDavid C20 Mar, 23:19
Re: Today’s the Spring EquinoxJohn D. Howard20 Mar, 23:32
Re: Today’s the Spring EquinoxÖrjan Sandström21 Mar, 17:16
Re: Today’s the Spring EquinoxPaul Hirose23 Mar, 05:52
Re: Today’s the Spring EquinoxDavid Shoemaker23 Mar, 17:47
Re: Today’s the Spring EquinoxDavid Shoemaker23 Mar, 18:27
Re: Today’s the Spring EquinoxDavid Pike24 Mar, 10:31
Re: Today’s the Spring EquinoxFrank Reed24 Mar, 13:05
Re: Today’s the Spring EquinoxDavid Pike24 Mar, 14:38
Re: Today’s the Spring EquinoxPaul Hirose25 Mar, 22:53
Unbounded RunawayBrad Morris10 Mar, 16:51
What is the radius of the Prime Vertical?David Pike14 Mar, 17:08
Re: What is the radius of the Prime Vertical?Frank Reed14 Mar, 22:02
Re: What is the radius of the Prime Vertical?David Pike14 Mar, 23:15
Re: What is the radius of the Prime Vertical?Frank Reed15 Mar, 00:17
Re: What is the radius of the Prime Vertical?David Pike15 Mar, 13:21
Re: What is the radius of the Prime Vertical?Frank Reed15 Mar, 15:52
Re: What level of english skills is needed for safe navigation?John D. Howard1 Mar, 00:20
Re: What level of english skills is needed for safe navigation?Brad Morris1 Mar, 00:51
Re: What level of english skills is needed for safe navigation?David Pike1 Mar, 08:41
Re: What level of english skills is needed for safe navigation?Bill Lionheart1 Mar, 09:32
Re: What level of english skills is needed for safe navigation?Örjan Sandström1 Mar, 10:20
Re: What level of english skills is needed for safe navigation?Tony Oz1 Mar, 15:35
Re: What level of english skills is needed for safe navigation?Frank Reed1 Mar, 16:01
Re: What level of english skills is needed for safe navigation?Francis Upchurch1 Mar, 18:40
Re: What level of english skills is needed for safe navigation?Hewitt Schlereth1 Mar, 22:49
Re: What sextant to buy ?Bruce Cutting1 Mar, 00:43
Re: What sextant to buy ?Terry Syrokosz6 Mar, 22:18
Wind Velocity from Three DriftsDavid Pike1 Mar, 15:20
Re: Wind Velocity from Three DriftsJohn D. Howard1 Mar, 18:33
Re: Wind Velocity from Three DriftsEd Popko3 Mar, 17:22
Zenith FixesDavid Pike21 Mar, 22:41
Re: Zenith FixesAndrés Ruiz22 Mar, 10:01
Re: Zenith FixesMike Burkes22 Mar, 15:37
Re: Zenith FixesDavid Pike22 Mar, 16:23
Re: Zenith FixesTony Oz22 Mar, 22:19
Re: Zenith FixesDavid Pike23 Mar, 11:04
Re: Zenith FixesTony Oz23 Mar, 17:33
Re: Zenith FixesDavid Pike23 Mar, 22:54
Re: Zenith FixesAndrés Ruiz25 Mar, 14:04
Re: Zenith FixesDavid Pike26 Mar, 00:29
Re: Zenith FixesAndrés Ruiz26 Mar, 09:02
Re: Zenith FixesJeremy C26 Mar, 13:13
Re: Zenith FixesJeremy C26 Mar, 13:20
Re: Zenith FixesRobin Stuart26 Mar, 17:34
Re: Zenith FixesFrank Reed26 Mar, 18:15
Re: Zenith FixesDavid Pike30 Mar, 22:33

Index includes 258 messages.

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