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    Re: Dip Anomaly
    From: George Huxtable
    Date: 2008 Mar 14, 10:07 -0000

    
    Clive wrote-
    
    "The best arrangement for measuring Dip would be to use a "Bish sextant"
    that observes the horizon both in front of and behind the observer
    simultaneously. George Huxtable investigated this method via the list some
    years ago so it should be in the archives."
    
    ========================
    
    Comment from George-
    
    Yes, it works. But if anyone chooses to search it out in the archive, It's
    the "Blish prism", not Bish.
    
    George.
    
    contact George Huxtable at george---.u-net.com
    or at +44 1865 820222 (from UK, 01865 820222)
    or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
    
    
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