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    Re: Precomputed LOP for sailboat landfall
    From: Nick N
    Date: 2009 Feb 22, 15:39 -0800

    Exactly, should be 6 minutes difference. That is what I thought
    Thank you very much
    My name is Nick
    
    On Feb 22, 6:16�pm, "George Huxtable"  wrote:
    > NOB158 (wish he gave us a name to call him by) wrote-
    >
    > "Would somebody please help me with better understanding of method of
    > landfall by using precomputed LOP. I was reading about using this
    > method for sailboat landfall in John Karl�s book "Celestial Navigation
    > in the GPS age" (published by Paradise Cay, 2007). I would like to
    > discuss the Figure 10.5b (page 140) where I think the mistake was
    > made. Specifically, it is not clear how Hc of 75 and 81 degrees for
    > LOP 2300 UT resulted in 6 nm intersept. Can somebody clarify it?"
    >
    > I think he has found an error here, in which degrees have got confused with
    > minutes. I understand that John Karl is in the throes of a revision, so I
    > will alert him to this one.
    >
    > George.
    >
    > contact George Huxtable, at �geo...@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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