The US Air Force (USAF) has tested Raytheon’s Military-Code (M-Code) Global Positioning System (GPS) receiver on-board a B-2 Spirit stealth bomber.

The series of flight tests were conducted at Edwards Air Force Base in California, US, marking a milestone in the modernisation of GPS equipment to improve security, positioning, navigation and timing capabilities for the US military and civilian applications.

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Raytheon Space and Airborne Systems president Rick Yuse said: “M-code receivers unlock the next-generation GPS network for military users.

“This test demonstrated M-code capability on-board the B-2 for the first time, marking an early milestone for the overall GPS modernisation effort.”

The tests validated the integration of an MGUE-equipped risk reduction prototype of Raytheon’s miniaturised GPS airborne receiver, MAGR-2K-M, with B-2 systems, Raytheon stated.

“This test demonstrated M-code capability on-board the B-2 for the first time, marking an early milestone for the overall GPS modernisation effort.”

Raytheon is developing M-code receivers under a contract previously awarded by the USAF Global Positioning System Directorate GPS User Equipment Division.

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The company has also been contracted by the USAF Joint Service Systems Management Office to qualify and certify the MAGR-2K-M receiver and deliver production representative units to support platform integration and testing.

The US Government’s multibillion-dollar GPS modernisation programme involves acquisition of satellites such as GPS Block IIR-M, GPS Block IIF, GPS III, and GPS III Follow-On.

The programme also includes upgrading the GPS control segment, including the GPS III contingency operations (COps), M-code early use (MCEU), and next-generation operational control system (OCX) programmes.

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