High performance GPS receiver for air launched munitions

Performance requirements for air launched munitions differ from conventional GPS navigators. These receivers require rapid turn-on, signal acquisition and track in high anti-jam environments. Further, these receiver applications require minimal modification to the host vehicle. A candidate system implementation based on the results of the Operational Concept Demonstration (OCD) program is presented. Performance test data from the OCD missions are presented, where six munitions were deployed from 25 km down range and 11 km altitude, acquiring GPS in less than 5 seconds and guiding the munition to the target with an error of less than 4 meters non-differential