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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Assumed positions, WAS: IN HONOR OF JEREMY...
From: Lu Abel
Date: 2009 Sep 25, 10:08 -0700
From: Lu Abel
Date: 2009 Sep 25, 10:08 -0700
Is Gery's paper (or a similar one on direct calculation of L/Lo from a pair of observations) available on-line? One would guess that with two observations (and, of course, all the time and NA data) one could calculate L/Lo directly, but I've never seen it described. Thanks Lu George Huxtable wrote: > I could have added some more recent papers on calculating 2-body fixes. > > Stanley W Gery, "The direct fix of latitude and longitude from two observed > altitudes", Navigation, 44 (1) 1997. > > George H Kaplan "Determining the position and motion of a vessel from > celestial observations", Navigation, 42 (4) 1995. > > I've only listed, here, pages from the American publication "Navigation", > and haven't investigated the British "Journal of Navigation", which I expect > would have also carried articles on that topic. > > George. > contact George Huxtable, at george@hux.me.uk > or at +44 1865 820222 (from UK, 01865 820222) > or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK. > > > > > --~--~---------~--~----~------------~-------~--~----~ NavList message boards: www.fer3.com/arc Or post by email to: NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---