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    Re: Manual calculation of compass variation
    From: Herbert Prinz
    Date: 2004 Oct 15, 21:53 -0400

    Correction re amplitude tables:
    
    The amplitude table in Bowditch 1981, Vol 2, is Table 27, not 28, as I wrote.
    
    Table 28 actually shows corrections to be aplied to the values in table 27.
    
    Herbert Prinz
    
    
    

       
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