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    Estimated position - thanks
    From: Russell Sher
    Date: 2004 Sep 27, 22:46 +0200

    Thanks all for the replies. As some of you said it is a perpendicular from
    the LOP to the DR which is really the same as saying it is the closest
    distance to the DR from the LOP.  Thanks Joel for the reminder to correct
    for leeway/current/tidal stream.
    Russell
    
    
    

       
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