Mount a GPS antenna on the bottom of the UAV. If you get strong signals
from that antenna, assume information assurance has failed.
There are countermeasures, and of course counter-counter-measures.
Here is a photo of a predator spying on me:
http://www.lazygranch.com/images/mafex_nov2010/predator_2.jpg
On 6/26/2012 8:16 PM, J. Forster wrote:
The smaller path loss from the ground to a UAV v. UAV to satellite easily
trumps the front/back ratio of most all antennas.
-John
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