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    Re: Variation of compass
    From: Peter Fogg
    Date: 2002 Oct 3, 07:34 +1000

    David Weilacher wrote:
    
    > What sources exist to determine compass variation for your position at sea?
    
    Comparing the azimuth of, for example, the Sun, Moon, or Venus with your
    compass as they rise will give the total of your compass error - variation and
    deviation - for that heading.
    
    
    

       
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