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    Re: Raw data for bubble
    From: Bill B
    Date: 2007 Mar 21, 23:16 -0400

    > On 3/22/07, Bill  wrote:
    >> Oh. I wondered how you got GHA, LHA or declination when only one leg and one
    >> angle are given, and no time.  Must be a way, but it is above my head.
    >> Which leaves me with a pocket calculator, watch, sextant and almanac and the
    >> knowledge an HC and azimuth, and my best guess of 90/270d, is better than a
    >> time sight.
    > Sorry, Bill.
    > The inputs I use are the body (including limb in case of sun) and
    > time, after previously entering the DR and date and time, etc.
    > There would be some re-arrangement of one or more of the nav formulas
    > that would give the azimuth as a result of the equivalents of the same
    > data but I don't know it. Perhaps one of the more mathematically
    > focused could derive it. Let us know if you find out.
    That's where this hog runs out of acorns. *IF* my understanding is correct,
    one requires three inputs to solve for an unknown in the oblique spherical
    triangle, so it may require breaking it up into right triangles.
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