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    Re: The Noon Fix
    From: James N Wilson
    Date: 2009 Apr 9, 09:00 -0700

    John:
    
    Your book makes no mention of a correction for north-south movement or
    declination change. You do note that "vessels moving rapidly north or
    south . . . " cause degradation. Many experienced navigators have
    expressed disbelief that moving at sailboat speeds can have a significant
    effect. The error due to this in my example is seventeen miles. I have
    remarked that I was lucky to have first tried the method while sailing a
    southwesterly course. Otherwise, I might still be among the ignorant.
    
    Jim Wilson
    
    On Wed, 8 Apr 2009 20:29:33 -0700 (PDT) John Karl 
    writes:
    >
    > With all this talk about noon-sun-sight books, why not try my
    > little
    > booklet called "Latitude & Longitude from the Noon Sun",  available
    > from Celestaire??  This, a sextant, and a watch set to UT is all
    > you
    > need for basic or standby CN.
    >
    > John
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