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Monday, August 12, 2013

NAVAIR teams test anti-jamming device

Aerostar unmanned aircraftPart of an initiative to protectGPS technologies on small unmanned aerial vehicles(UAV), the Navy recently conducted tests to demonstrate how miniaturized GPS protection devices can prevent interruption of this mission-critical global positioning data.

From July 10 to 24, theCommunications and GPS Navigation Program Office (PMW/A 170), headquartered in San Diego, mounted a Small Antenna System (SAS) on an Aerostar unmanned aircraft, then placed the small UAV in a room lined with signal-absorbent material at the FARM (Facilities for Antenna and RCS Measurements), where it was subjected toGPS jammingsignals.

Equipped with model jammers, the FARM facility was used as a stage for the “enemy” to jam the GPS signal and try to knock the UAV off course, said Eric Stevens, the Unmanned Aircraft Systems Communications and Navigation lead for PMW/A-170, which supplied the antenna system.

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