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    Re: Is this quite the thing or not?
    From: Jared Sherman
    Date: 2002 Nov 5, 22:10 -0500

    Dan-
     I had read something nearly two years ago concerning the use of GPS for 
    airfcraft navigation, and the "fact" that a GPS blocker could be readily 
    built. Apparently it is a real concern--but since it would be an active radio 
    transmitter, I would think it could be located and neutralized in reasonably 
    short order.
    
    
    

       
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