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    Re: GPS as a time authority
    From: Antoine Cou�tte
    Date: 2009 Sep 15, 11:20 -0700

    Dear Richard and Lu,
    
    
    True, you did pick it right, I should have written UTC also !
    
    Thank you for your interesting insight on all the data displayed in the GPS message !
    
    Since in civilian A/C, the cockpit watches are often directly fed by the 
    on-board GPS receiver (uncorrected to UTC to the best of my knowledge : at 
    least this is what I have noticed on the DC10-30's and B757/767's I have 
    flown while watching increasing differences between GPS time and UT over the 
    elapsing years) I was not aware of all the nice features which are part of 
    the GPS messages, including advance notice about the upcoming leap seconds.
    
    Thank you again, and hello to the Navlist Forum
    
    
    Antoine
    
    
    Antoine M. Couette
    
    
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