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    Re: Horizontal distance off measurements
    From: Jared Sherman
    Date: 2003 Mar 24, 14:50 -0500

    Doug-
     If I am following you, and the corrected diagram, then you've just done some 
    basic trig conveniently allowed by angles OAC and OAB being right angles with 
    known distances (AC and AB) attached to them. Certainly, a lucky spot for the 
    observer to be in.
    
    
    

       
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