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    Re: Dip uncertainty
    From: Alexandre Eremenko
    Date: 2004 Dec 7, 13:29 -0500

    Trevor:
    
    > The position that Bruce and I have been
    > supporting
    > is that anomalous dip is usually less pronounced for an observer on the
    > bridge of a modern ship or in the top of a sailing ship than for one
    > located near the waterline or aboard a small yacht.
    
    The opinions seem to be split on this subject,
    and I don't see how to settle it without experimental
    data on the anomalous refraction.
    
    If the whole "anomalous part" of the anomalous refraction happens
    within few meters from the sea surface, then you and Bruce are
    right. Surely someone studied this question, but I don't know
    how to find these results.
    
    Alex.
    
    
    

       
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