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    Compass Rose
    From: T Carr
    Date: 2001 Mar 19, 1:18 PM

    The compass rose on a chart shows the True heading on the outer ring and the 
    Magnetic heading on the inner ring.  What is the function of the innermost 
    (third) ring?  It does not correspond to markings on either the True or 
    Magnetic rings and I am baffled as to what its' purpose is.  Can anyone on 
    the list provide an answer?  Thanks.    Tom Carr
    

       
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