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    Re: Precomputing sextant observations at sea
    From: Francis Upchurch
    Date: 2014 Jan 29, 07:01 -0800

    Thanks Gary,
    I knew you would get the answer! How stupid of me not to see that!( I would have missed the island and drowned!) Despite my interest in the Bygrave, I'de not thought of doing that. Just done it and got same result! Thanks!
    I'm now excited about my planned trip using the simpified pre-computed LOP/ Hp graph method you have described.
    I'll send draft plan later.
    Many thanks again for all you help and a fascinating thread on this.
    Francis
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