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Up in the Air: Will America lose its dominance of the skies?
NATIONAL REVIEW ONLINE ^
| December 19, 2011
| Michael Auslin
Posted on 12/21/2011 8:52:56 PM PST by neverdem
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To: El Gato
GPS signals can be encrypted. In fact the “fine code” was encrypted for many years. But the DoD shut that off so the troops could use the many commercial GPS units. There is a encrypted M code GPS signal.
41
posted on
12/23/2011 12:10:41 AM PST
by
Doe Eyes
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