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    Re: Nautical almanac 1773
    From: Dave Walden
    Date: 2007 Apr 30, 17:57 -0700

    Using xephem, a fast, easy to use linux program, with open source:
    
    1200 GMT topcentric @ greenwich 48-12-40
    1200 GMT geocentric 48-14-59
    
    dif between GMT and GAT, 5:49.925
    
    1200 GAT topcentric @ greenwich 48-16-47
    1200 GAT geocentric 48-18-20
    
    
    dT=15.31
    
    
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