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    Re: Advancing a position circle
    From: Peter Fogg
    Date: 2006 Jun 17, 10:14 +1000

    > From: George Huxtable
    > ... those positions are no longer on a circle. And the
    > discrepancy from a circle is not by an infinitesimal amount, either.
    > but by something over 14 miles, after a shift of only 60 miles.
    
    WHY is this so?
    
    
    

       
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