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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding

January, 2018

Index includes 238 messages. Sorted by message ID, in descending order.
SubjectAuthorDate (UT)SizeID
Re: Lunars-liteRoger W. Sinnott31 Jan, 15:0512439g41327
Satellite-derived Time and Position: A Study of Critical DependenciesDavid Pike31 Jan, 08:283674g41326
NavList Twitter feedFrank Reed31 Jan, 01:284676g41325
Re: Lunars-litePeter Monta31 Jan, 00:237422g41324
Re: Oblateness calculation given observer's latitudePeter Monta31 Jan, 00:015942g41323
Re: Mickey Mouse's dog is backNoell Wilson30 Jan, 23:211731g41322
Re: Oblateness calculation given observer's latitudeFrank Reed30 Jan, 21:523305g41321
Re: Oblateness calculation given observer's latitudePaul Hughes30 Jan, 11:181764g41320
Planned GNSS denial in the USDavid Pike30 Jan, 12:132584g41319
Re: Mickey Mouse's dog is backGary LaPook30 Jan, 07:071265g41318
Re: Mickey Mouse's dog is backSean C30 Jan, 04:202801g41317
Re: Lunars-liteRoger W. Sinnott30 Jan, 02:3415182g41316
Mickey Mouse's dog is backGary LaPook30 Jan, 01:351548g41315
Re: Oblateness calculation given observer's latitudePeter Monta30 Jan, 00:083310g41314
Re: Lunars-litePeter Monta29 Jan, 23:594427g41313
Re: Lunars-litePeter Monta29 Jan, 23:324467g41312
Re: Oblateness calculation given observer's latitudeEd Popko29 Jan, 20:482083g41311
Re: Oblateness calculation given observer's latitudeFrank Reed29 Jan, 20:124552g41310
Oblateness calculation given observe r’s latitudeEd Popko29 Jan, 19:232171g41309
Lunars-liteRoger W. Sinnott29 Jan, 12:155658g41308
Re: Artifical HorizonAlan S28 Jan, 01:401681g41307
Re: Artifical HorizonTerry Syrokosz27 Jan, 20:552502g41306
Re: Margetts' 1790 Longitude TablesFrancis Upchurch27 Jan, 07:033941g41305
Re: Margetts' 1790 Longitude TablesEd Popko26 Jan, 20:282766g41304
Re: Margetts' 1790 Longitude TablesFrank Reed26 Jan, 18:553967g41303
Margetts' 1790 Longitude TablesEd Popko26 Jan, 15:081507g41302
Re: Artifical HorizonGreg Rudzinski26 Jan, 12:594220g41301
Re: Question about old sextantAndrés Ruiz26 Jan, 10:20229424g41300
Re: Artifical HorizonDavid Pike26 Jan, 10:037327g41299
Re: Question about old sextantRobert H. van Gent26 Jan, 10:0212401g41298
Re: Artifical HorizonAndrés Ruiz26 Jan, 09:504641g41297
Re: Question about old sextantWolfgang Köberer26 Jan, 09:1527995g41296
Re: Some Link A12 Sextant QuestionsKen Gebhart26 Jan, 04:547535g41295
Re: Artifical HorizonTerry Syrokosz26 Jan, 02:361907g41294
Re: Artifical HorizonTerry Syrokosz26 Jan, 02:222150g41293
Re: Moon sight reductionTerry Syrokosz25 Jan, 23:111995g41292
Re: Artifical HorizonGreg Rudzinski25 Jan, 23:073673g41291
Re: Moon sight reductionTerry Syrokosz25 Jan, 22:591836g41290
Re: Some Link A12 Sextant QuestionsDavid Pike25 Jan, 22:333360g41289
Re: Artifical HorizonDavid Pike25 Jan, 22:002979g41288
Re: Moon sight reductionGary LaPook25 Jan, 21:514509g41287
Re: Moon sight reductionStan K25 Jan, 21:304003g41286
Re: Artifical HorizonGreg Rudzinski25 Jan, 20:391573g41285
Re: Question about old sextantPeter Monta25 Jan, 19:294262g41284
Question about old sextantGerman Diaz25 Jan, 17:372661g41283
Artifical HorizonTerry Syrokosz25 Jan, 17:461431g41282
Moon sight reductionTerry Syrokosz25 Jan, 17:411399g41281
Re: Some Link A12 Sextant QuestionsGeoffrey Kolbe25 Jan, 13:211724g41280
Useful modifications to the Polhemus computerGary LaPook25 Jan, 11:4315897g41279
Re: Some Link A12 Sextant QuestionsAndrés Ruiz25 Jan, 09:1345267g41278
Re: DIY long-term almanac for calculatorsAndrés Ruiz25 Jan, 08:373651g41277
Re: Some Link A12 Sextant QuestionsDavid Pike24 Jan, 22:385094g41276
Re: Latitude by law of cosinesCharles McElhill24 Jan, 13:524398g41275
Re: DIY long-term almanac for calculatorsAntoine Couëtte24 Jan, 11:373282g41274
Re: DIY long-term almanac for calculatorsTony Oz24 Jan, 09:292118g41273
Re: DIY long-term almanac for calculatorsPaul Hirose23 Jan, 21:324820g41272
Re: Gnomonic charts and distancesDavid Fleming23 Jan, 20:261638g41271
Re: Latitude by law of cosinesChris Caswell23 Jan, 20:076984g41270
Re: Gnomonic charts and distancesFrank Reed23 Jan, 19:573674g41269
Re: GC Routes & Strings on GlobesFrank Reed23 Jan, 17:155498g41268
Re: Gnomonic charts and distancesRobin Stuart23 Jan, 14:4249034g41267
Re: GC Routes & Strings on GlobesGary LaPook23 Jan, 08:102885g41266
GC Routes & Strings on GlobesSean C23 Jan, 04:394124g41265
Re: Latitude by law of cosinesFrank Reed23 Jan, 00:319597g41264
Re: DIY long-term almanac for calculatorsMurray Peake22 Jan, 23:112267g41263
Re: Latitude by law of cosinesChris Caswell22 Jan, 23:051444g41262
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 20:43170411g41261
Re: Gnomonic charts and distancesFrank Reed22 Jan, 19:355782g41260
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 19:1110969g41259
Gnomonic charts and distancesBob Goethe22 Jan, 19:071856g41258
Supermoon maniaFrank Reed22 Jan, 18:432348g41257
Re: Some Link A12 Sextant QuestionsTracy Shrier22 Jan, 18:412713g41256
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 18:14172096g41255
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 16:538038g41254
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 16:293728g41253
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 15:509785g41252
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 13:08824649g41251
Re: Gnomonic Charts - Usable ZonesEd Popko22 Jan, 10:381378g41250
Re: Some Link A12 Sextant QuestionsGary LaPook22 Jan, 07:151673g41249
Re: Flight Levels CelNav: 01/10/2018Gary LaPook22 Jan, 07:0411380g41248
Re: Gnomonic Charts - Usable ZonesFrank Reed22 Jan, 06:005458g41247
Re: Some Link A12 Sextant QuestionsPaul Hirose22 Jan, 05:283103g41246
Flight Levels CelNav: 01/10/2018Tracy Shrier22 Jan, 05:186310g41245
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 00:0411697g41244
Re: Some Link A12 Sextant QuestionsTracy Shrier21 Jan, 22:366130g41243
2017 Bowditch ErrataAntonio Sauci21 Jan, 21:494843g41242
Some Link A12 Sextant QuestionsDavid Pike21 Jan, 16:119949g41241
Re: Ex-meridian table methodologyGreg Rudzinski21 Jan, 14:129475g41240
Ex-meridian table methodologyJeremy C21 Jan, 04:525498g41239
Re: Gnomonic Charts - personal experience/challengeJeremy C20 Jan, 23:371807g41238
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan, 23:256070g41237
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan, 21:148289g41236
Re: Semi-diameter of moonFrank Reed20 Jan, 20:523434g41235
Semi-diameter of moonBob Goethe20 Jan, 20:252002g41234
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan, 17:3113146g41233
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan, 13:387527g41232
Re: Call for Papers reminder: History of navigation conferenceFrank Reed20 Jan, 02:002034g41231
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan, 18:276967g41230
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz19 Jan, 17:324082g41229
Re: The "mysterious" John Karl's book formulasAndrés Ruiz19 Jan, 17:214564g41228
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 16:541489g41227
Re: Gnomonic Charts - Usable ZonesJohn D. Howard19 Jan, 16:382612g41226
Re: Gnomonic Charts - Usable ZonesStan K19 Jan, 16:2810178g41225
Re: Gnomonic Charts - Usable ZonesStan K19 Jan, 16:24368660g41224
Re: Gnomonic Charts - Usable ZonesAntoine Couëtte19 Jan, 16:245200g41223
Re: Gnomonic Charts - Usable ZonesRobin Stuart19 Jan, 16:0646794g41222
Re: Gnomonic Charts - Usable ZonesGreg Rudzinski19 Jan, 15:087169g41221
Re: DIY long-term almanac for calculatorsAndrés Ruiz19 Jan, 10:554298g41220
Re: Gnomonic Charts - Usable ZonesSean C19 Jan, 09:174245g41219
Re: Gnomonic Charts - Usable ZonesPaul Hirose19 Jan, 08:493746g41218
Navigating with GPS, opticallyPeter Monta19 Jan, 08:42728248g41217
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 06:473481g41216
The "mysterious" John Karl's book formulasAntonio Sauci19 Jan, 05:284793g41215
Re: Latitude by law of cosinesFrank Reed19 Jan, 05:238414g41214
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan, 03:095302g41213
Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 02:432002g41212
Re: Archeological Celestial QuestionPaul Hirose18 Jan, 22:444179g41211
Re: Archeological Celestial QuestionDon Seltzer18 Jan, 21:084360g41210
Re: DIY long-term almanac for calculatorsFrank Reed18 Jan, 20:416934g41209
Re: DIY long-term almanac for calculatorsPaul Hirose18 Jan, 19:373577g41208
Re: Archeological Celestial QuestionFrank Reed18 Jan, 19:1513128g41207
Re: Archeological Celestial QuestionPaul Saffo18 Jan, 15:154552g41206
Re: Archeological Celestial QuestionTony Oz18 Jan, 14:282573g41205
Re: DIY long-term almanac for calculatorsBruce Cutting17 Jan, 20:185068g41204
Archeological Celestial QuestionMark Coady17 Jan, 18:336743g41203
Re: Shadow sights for longitudeJohn A Brown17 Jan, 18:083585g41202
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan, 09:591856g41201
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan, 09:433476g41200
Re: Flight Levels CelNav; 11/10/2017Tracy Shrier17 Jan, 05:433449g41199
Re: DIY long-term almanac for calculatorsPaul Hirose17 Jan, 05:324268g41198
Re: Latitude by law of cosinesFred Hebard17 Jan, 05:025708g41197
Re: USS Fitzgerald collision with container shipGary LaPook17 Jan, 01:381834g41196
Re: Latitude by law of cosinesChris Caswell16 Jan, 22:202194g41195
Re: DIY long-term almanac for calculatorsMurray Peake16 Jan, 10:476682g41194
Re: Latitude by law of cosinesFrank Reed15 Jan, 23:513826g41193
Re: Latitude by law of cosinesChris Caswell15 Jan, 23:211448g41192
Re: Degree symbol anomalyRobert Bernecky15 Jan, 21:582310g41191
Re: Degree symbol anomalyFrank Reed15 Jan, 16:599341g41190
Re: DIY long-term almanac for calculatorsAntoine Couëtte15 Jan, 16:421759g41189
DIY long-term almanac for calculatorsTony Oz15 Jan, 10:523917g41188
Degree symbol anomalyPaul Hirose15 Jan, 08:032960g41187
Re: Latitude by law of cosinesRobert Bernecky15 Jan, 01:3810006g41186
Latitude by law of cosinesChris Caswell14 Jan, 22:081893g41185
Re: SHA vs RAGary LaPook14 Jan, 22:039810g41184
Re: Shadow sights for longitudeGreg Rudzinski14 Jan, 19:0828423g41183
Re: SHA vs RADavid Pike14 Jan, 17:493699g41182
Re: SHA vs RAFrank Reed14 Jan, 16:407979g41181
SHA vs RABob Goethe14 Jan, 15:501380g41180
Re: Flight Levels CelNav; 11/10/2017David Pike14 Jan, 13:004334g41179
Re: Shadow sights for longitudeFrank Reed14 Jan, 08:365208g41178
Re: Shadow sights for longitudeJohn A Brown14 Jan, 08:015338g41177
Re: Shadow sights for longitudeGeoffrey Kolbe14 Jan, 07:4015325g41176
Re: Etymology of "loom"?Markus O.14 Jan, 04:112263g41175
Re: Shadow sights for longitudeBrad Morris13 Jan, 20:057223g41174
Re: Shadow sights for longitudeDavid Fleming13 Jan, 18:477406g41173
Re: The Easy LunarsCharles McElhill13 Jan, 09:531776g41172
Re: Shadow sights for longitudeDavid Pike13 Jan, 08:023082g41171
Re: Shadow sights for longitudeGeoffrey Kolbe13 Jan, 07:266394g41170
Re: Shadow sights for longitudePeter Monta13 Jan, 04:434325g41169
Re: Shadow sights for longitudeDavid Fleming13 Jan, 03:40232351g41168
Re: Shadow sights for longitudeMark Knudsen13 Jan, 01:156218g41167
Re: The Easy LunarsSean C12 Jan, 23:432876g41166
The Easy LunarsCharles McElhill12 Jan, 22:083140g41165
Re: Shadow sights for longitudeDavid Fleming12 Jan, 21:062923g41164
Re: Shadow sights for longitudeMark Knudsen12 Jan, 19:311919g41163
Re: Shadow sights for longitudeMark Knudsen12 Jan, 18:542113g41162
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan, 18:083219g41161
Star identification via Bygrave formulasPaul Hirose12 Jan, 16:484482g41160
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan, 12:353132g41159
Re: Reduction of occultation of starsRoger W. Sinnott12 Jan, 01:437362g41158
Re: Reduction of occultation of starsAntoine Couëtte11 Jan, 22:502608g41157
Re: Shadow sights for longitudeJohn Rizzuto11 Jan, 21:221465g41156
Re: Reduction of occultation of starsMurray Peake11 Jan, 18:041375g41155
Re: Reduction of occultation of starsMurray Peake11 Jan, 16:472667g41154
Re: Reduction of occultation of starsRoger W. Sinnott11 Jan, 16:428848g41153
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz11 Jan, 16:232648g41152
Re: Shadow sights for longitudeJohn A Brown11 Jan, 16:0317123g41151
Re: Soviet navy emergency navigation manual (Pub.9049)Andrew Nikitin11 Jan, 13:321845g41150
Re: Reduction of occultation of starsAntoine Couëtte11 Jan, 11:1811104g41149
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan, 19:543513g41148
Re: Cotter's "History of Nautical Astronomy" on ebayDavid C10 Jan, 19:042283g41147
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed10 Jan, 18:224369g41146
Re: Reduction of occultation of starsMurray Peake10 Jan, 18:011467g41145
Re: Soviet navy emergency navigation manual (Pub.9049)Bob Goethe10 Jan, 17:511607g41144
Re: Reduction of occultation of starsRobin Stuart10 Jan, 16:2547450g41143
Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan, 16:253403g41142
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte10 Jan, 11:318909g41141
Reduction of occultation of starsMurray Peake9 Jan, 20:382810g41140
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan, 19:132786g41139
Re: A noon fix inland with an peri-sextantBrad Morris9 Jan, 18:2116681g41138
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan, 17:561402g41137
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan, 16:519651g41136
Re: Latitude by two stars ...on a Party BoatBob Crawley9 Jan, 16:356392g41135
Shadow sights for longitudeJohn A Brown9 Jan, 15:5317066g41134
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte9 Jan, 15:337861g41133
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan, 14:336715g41132
Re: GPS Anti Spoof appEd Popko9 Jan, 11:351487g41131
Re: 'Standard' Dome Refraction TableDavid Pike9 Jan, 10:226207g41130
Re: Flight Levels CelNav; 11/10/2017Gary LaPook9 Jan, 09:573987g41129
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan, 09:484535g41128
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan, 03:3413033g41127
Re: Coriolis Acceleration -- A general caseGary LaPook8 Jan, 23:103851g41126
Re: GPS Anti Spoof appGreg Rudzinski8 Jan, 22:342106g41125
Re: Flight Levels CelNav; 11/10/2017David Pike8 Jan, 21:003393g41124
Re: GPS Anti Spoof appEd Popko8 Jan, 20:203070g41123
Re: GPS Anti Spoof appFrank Reed8 Jan, 20:0010169g41122
Re: A noon fix inland with an peri-sextantDavid Pike8 Jan, 19:1810785g41121
Re: 'Standard' Dome Refraction TableFrank Reed8 Jan, 18:594901g41120
Re: 'Standard' Dome Refraction TableTracy Shrier8 Jan, 17:203123g41119
Re: A noon fix inland with an peri-sextantMark Knudsen8 Jan, 16:432184g41118
Re: Flight Levels CelNav; 11/10/2017Antoine Couëtte8 Jan, 15:321851g41117
Re: Coriolis Acceleration -- A general caseAntoine Couëtte8 Jan, 14:117759g41116
Re: A noon fix inland with an peri-sextantAntoine Couëtte8 Jan, 10:527595g41115
Flight Levels CelNav; 11/10/2017Tracy Shrier8 Jan, 05:026911g41114
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan, 04:405729g41113
Re: A noon fix inland with an peri-sextantAntoine Couëtte7 Jan, 19:237935g41112
Re: Lunar distance and nautical almanacDucruy Jacques7 Jan, 15:521907g41111
Re: Lunar distance and nautical almanacWolfgang Köberer7 Jan, 11:5626896g41110
'Standard' Dome Refraction TableDavid Pike6 Jan, 22:275345g41109
Re: Solstice Sun LinesDavid Pike6 Jan, 22:063871g41108
Re: Lunar distance and nautical almanacDucruy Jacques6 Jan, 12:362072g41107
Re: Solstice Sun LinesBrian Walton6 Jan, 04:504183g41106
Re: Solstice Sun LinesTracy Shrier6 Jan, 03:012741g41105
Re: Solstice Sun LinesTracy Shrier6 Jan, 02:042889g41104
Re: Lunar distance and nautical almanacPeter Monta6 Jan, 00:025924g41103
Re: Latitude by two stars ...on a Party BoatFrank Reed5 Jan, 23:4210723g41102
Lunar distance and nautical almanacDucruy Jacques5 Jan, 21:351974g41101
Re: GPS Anti Spoof appDavid Pike5 Jan, 20:263414g41100
Re: Latitude by two stars ...on a Party BoatBob Crawley5 Jan, 08:156882g41099
Re: Time-lapse movie with starsFrank Reed5 Jan, 07:238284g41098
"Bomb Cyclone" GRIBSean C5 Jan, 06:154838g41097
Call for Papers reminder: History of navigation conferenceRichard Dunn4 Jan, 15:2411120g41096
Time-lapse movie with starsPeter Monta4 Jan, 02:043906g41095
Re: Time zones article (from quartz/qz.com)Peter Van Dine3 Jan, 04:582210g41094
Time zones article (from quartz/qz.com)Jackson McDonald3 Jan, 01:2215563g41093
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan, 22:444290g41092
Re: GPS Anti Spoof appFrank Reed1 Jan, 21:017774g41091
Re: GPS Anti Spoof appAndrés Ruiz1 Jan, 18:283601g41090

Index includes 238 messages.

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