The US Air Force (USAF) recently completed a series of successful flight tests of its next-generation military-code GPS using a Raytheon receiver onboard a B-2 SPIRIT at Edwards Air Force Base, California. This first ever M-code test onboard the B-2 is an important milestone for the US government-led GPS Modernisation effort to enhance security, positioning, navigation and timing capabilities for US military and civilian applications. Military GPS User Equipment M-code receivers will give military aircraft, ships and ground vehicles access to the modernised GPS network.

"M-code receivers unlock the next-generation GPS network for military users," Rick Yuse, President of Raytheon Space and Airborne Systems, said. "This test demonstrated M-code capability onboard the B-2 for the first time, marking an early milestone for the overall GPS modernisation effort."

The tests verified the integration of an MGUE-equipped risk reduction prototype of Raytheon's Miniaturised GPS Airborne Receiver MAGR-2K-M receiver with B-2 systems in representative flight and mission profiles.


Raytheon is developing M-code receivers under a contract with the USAF Global Positioning System Directorate GPS User Equipment Division. The company is also under contract with the USAF Joint Service Systems Management Office to qualify and certify the MAGR-2K-M and deliver production representative units to support platform integration and testing. (Photo: Raytheon)

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