Raytheon Jam-Resistant GPS Antennas

April 2, 2007 Raytheon’s GAS-1 jam-resistant Global Positioning System (GPS)-antenna technology seems to be going from strength to strength, and with another option conversion under its current contract with the U.S. Air Force and U.S. Navy announced this week, more than 4000 of the units will be in operation by 2008. The system is able to recognise sources of electrical interference and by adjusting the way in which it receives the satellite signals, reject them, allowing navigation equipment to function safely, accurately and efficiently. In military use this allows operations to be carried out with greater accuracy and less risk. Raytheon claims its anti-jam system is able to track jammers and generate nulls faster than any competing system, and based on the order books, the claims appear verified.

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