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    Re: cel nav for USCG cadets
    From: John Huth
    Date: 2011 Jul 26, 08:18 -0400
    Oh, yes, totally understood.   It's a teaching tool

    On Mon, Jul 25, 2011 at 10:38 PM, James N Wilson <jn.wilson{at}juno.com> wrote:
    Relative to equal altitudes, I'll issue my standard warning that observer
    motion and declination change need to be considered.

    I may not live long enough for the popular myth that the simple averaging
    of times of observed equal altitudes is dispelled.

    Jim Wilson
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