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    Satnav/Omega (was: Mercator v Great Circle)
    From: UNK
    Date: 2001 Aug 29, 11:15 AM

    Transit and Satnav and Omega and Decca and things that go bump in the night!
    
    The Transit satellite navigation system, commonly called Satnav back in the
    day, ceased operation on 31 December 1996.
    
    The Omega stations were shut down on 30 September 1997.
    
    Are any Decca chains still up?
    
     -- Peter (who is just old enough to have once matched pairs of
               squiggles on an oscilloscope to get a LORAN-A fix)
    

       
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