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    Re: Assumed positions, WAS: IN HONOR OF JEREMY...
    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
    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.
    > >
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