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Bush Prepares for Possible GPS Shutdown



 
 
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Old December 17th 04, 02:35 AM
C J Campbell
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"Andrew Gideon" wrote in message
online.com...
Dave S wrote:

When Selective Availability was disabled in the Clinton administration,
regional disruption of the GPS signal was the stated
"back-up"/"alternative". This is not new news in the least.


I've read of this before. But I don't see how it could be done regionally
w/o using something like jamming. Do the satellites have the ability to
block their signal to regions?


Individual satellites could be shut down, effectively blanking out large
regions.


 




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