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    GPS ground stations
    From: Alexandre Eremenko
    Date: 2014 May 14, 23:58 +0000

    I read in the news that the Russians
    will not permit GPS ground stations on their territory.
    (I actually learned that there are GPS ground stations on
    Russian territory only from these news).
    
    Can anyone explain what exactly these ground stations are doing?
    
    Alex.
    
    
    
    
    

       
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