Raytheon GPS Receiver Team Tracks M-Code Satellite Signal

July 7, 2009

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The GPS Wing has announced that the Raytheon Modernized User Equipment (MUE) team has achieved live satellite M-code tracking with an MUE receiver.

The team has developed modernized versions of the Avionics GPS Receiver Application Module and Ground Based GPS Receiver Applications Module (GB-GRAM) receivers under MUE receiver development contracts awarded to three companies in June of 2006. M-code signals from Block IIR GPS satellites were acquired using a Raytheon GB-GRAM-M.

M-code acquisition and tracking is one of many steps taken towards completion of the MUE receiver, but a very important step that indicates the proper operation of many receiver functions, according to a spokesperson at the Space and Missile Systems Center, Los Angeles Air Force Base, where the GPS Wing is located.

The team will continue its work on receiver integration throughout the summer culminating in the scheduled delivery of pre-production GRAM-S/M and GB-GRAM-M modules to the GPS Wing in November of this year.

The GB-GRAM-M and GRAM-S/M will replace legacy GB-GRAM and GRAM-S embedded GPS receivers in systems such as the Raven unmanned air vehicle and Miniature Airborne GPS Receiver.