Sunday, March 18, 2012

GPS Receiver Demonstrates Anti-Jamming Ability

GPS Jamming could make aircraft, like this F-16 lose its heading. Photo by Raytheon

GPS Jamming could make aircraft, like this F-16 lose its heading. Photo by Raytheon

With all the potential risks of GPS jamming and spoofing, officials all around the world have been researching methods of boosting their GPS signals and making them more accurate with technology like the eDLoran and anti-jamming chips. Now, according to a press release by Raytheon, the U.S. Air Force has demonstrated successful operation of its Military-code (M-code) GPS signal in a jamming environment using a Raytheon Company receiver.

In a recent test, the Miniaturized Airborne GPS Receiver 2000 (MAGR2K) maintained GPS satellite tracking and provided accurate navigation despite GPS jamming attempts. The MAGR2K was integrated with the Raytheon Advanced Digital Antenna Production (ADAP) system and equipped with a specialized M-code receiver card.

“This is the first time an M-code receiver card has been successfully tested in an avionics GPS receiver,” said Sharon Black, Director of Raytheon’s GPS & Navigation Systems organization in a press release. “These results provide the Air Force with a clear path forward for fielding M-code capable GPS receivers.”

M-code receivers are required to provide significantly improved position, navigation, and timing performance based on the advanced GPS satellite signal. As part of the semi-annual NAVFEST exercise at White Sands Missile Range, Raytheon showcased how easily the M-code receiver card integrated into the MAGR2K, using all the advantages of the M-code signal.

“The innovative MAGR2K design is backward and forward compatible,” said Black. “As Raytheon demonstrated at NAVFEST, this compatibility enables easy and cost-effective upgrades for existing military aircraft without having to replace the entire GPS receiver.”

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