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

Recent Messages

Index includes 226 messages. Sorted by message ID, in descending order.
SubjectAuthorDate (UT)SizeID
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
Re: Article by Russell Porter on Latitude without instrumentsGary LaPook31 Dec 2017, 23:501635g41089
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed31 Dec 2017, 23:312616g41088
Re: Article by Russell Porter on Latitude without instrumentsRoger W. Sinnott31 Dec 2017, 21:566440g41087
Re: Article by Russell Porter on Latitude without instrumentsGary LaPook31 Dec 2017, 21:112792g41086
Re: Article by Russell Porter on Latitude without instrumentsPaul Saffo31 Dec 2017, 16:252773g41085
Re: First Moon-Star LunarEd Popko31 Dec 2017, 11:444469g41084
Re: Latitude by two stars ...on a Party BoatBob Crawley31 Dec 2017, 09:323142g41083
Re: Solstice Sun LinesDavid Pike31 Dec 2017, 09:315415g41082
Re: First Moon-Star LunarAntoine Couëtte31 Dec 2017, 08:553918g41081
Re: Solstice Sun LinesAntoine Couëtte31 Dec 2017, 06:162536g41080
Re: First Moon-Star LunarAntoine Couëtte31 Dec 2017, 03:2019527g41079
Re: Traditional navigation by slide ruleAlan S31 Dec 2017, 01:001961g41078
Article by Russell Porter on Latitude without instrumentsWayne Hilliard30 Dec 2017, 22:052213289g41077
Re: Latitude by two stars ...on a Party BoatGreg Rudzinski30 Dec 2017, 17:381837g41076
Re: Solstice Sun LinesBrian Walton30 Dec 2017, 16:237523g41075
Re: Polar Grid AirNav and Oceanic AirNavAntoine Couëtte30 Dec 2017, 09:5118357g41074
Re: Polar Grid AirNav and Oceanic AirNavGary LaPook30 Dec 2017, 03:281812g41073
Re: Polar Grid AirNav and Oceanic AirNavGary LaPook30 Dec 2017, 03:267189g41072
Re: Latitude by two stars ...on a Party BoatGreg Rudzinski30 Dec 2017, 01:1012120g41071
Re: First Moon-Star LunarSean C29 Dec 2017, 21:175878g41070
AP1234 - 1941 EditionDavid Pike29 Dec 2017, 18:1513028g41069
Re: Polar Grid AirNav and Oceanic AirNavJohn D. Howard29 Dec 2017, 16:383076g41068
Re: First Moon-Star LunarEd Popko29 Dec 2017, 16:201379g41067
Re: Polar Grid AirNav and Oceanic AirNavEd Popko29 Dec 2017, 13:341727g41066
Re: First Moon-Star LunarSean C29 Dec 2017, 08:321641g41065
Polar Grid AirNav and Oceanic AirNavAntoine Couëtte29 Dec 2017, 00:4225712g41064
Re: Latitude by two stars observed simultaneouslyDavid Pike28 Dec 2017, 19:496953g41063
Re: First Moon-Star LunarEd Popko28 Dec 2017, 18:142462g41062
Re: Problem with radio 'atomic' clock --detected by LunarFrank Reed28 Dec 2017, 18:083173g41061
Re: Unwarranted levels of precisionFrank Reed28 Dec 2017, 17:546132g41060
Re: Latitude by two stars ...on a Party BoatGreg Rudzinski28 Dec 2017, 16:492120g41059
Problem with radio 'atomic' clock --detected by LunarGeoffrey Kolbe28 Dec 2017, 13:114442g41058
Re: History of Air NavigationDavid Pike28 Dec 2017, 11:446614g41057

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