GPS Satellite Simulation Facility

Agency/Department

FLC Region

Security Lab

No

Address

Redstone Arsenal
Redstone Arsenal, AL 35898-5000
United States

Description

The GPS satellite simulation facility consists of a GPS satellite simulator controlled by either a Silicon Graphics Origin 2000 or PC depending upon unit under test requirements. These simulators are capable of generating RF for a full satellite constellation for both military and civilian signals. The GPS simulators are used to evaluate: (1) total system navigation accuracy, (2) accuracy improvement enhancements (i.e., Local/Wide Area Differential, Wide Area GPS Enhancement (WAGE), pseudolites), (3) acquisition and reacquisiton performance, (4) effects of terrain or body masking, (5) satellite geometry and visibility effects including antenna gain pattern modeling, (6) effects of vehicle dynamics, (7) effects of selective availability/anti-spoofing (SA/A-S) operation, (8) inertial navigation system (INS) aided and unaided performance, and (9) interference (i.e., jamming) susceptibility. The GPS Test facility consists of three GPS satellite simulators used to test GPS receiver and integrated GPS/Inertial Navigation System (INS) hardware over a flight environment. The GPS simulator can be used in conjunction with a rate table, centrifuge, or vibration table. The GPS Test Facility supports project office programs including ATACMS, MLRS M270A1 Launcher, GMLRS as well as technology programs including Point-Hit MLRS, and Netfires. The GPS test facility has the capability of supporting any evolving weapon system that utilizes GPS receivers.

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