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Avionics
GPS-101
GPS Satellite Simulator
The GPS-101 verifies the operational integrity of: •An integrated GPS receiver-antenna system (e.g. a handheld unit) with built-in test modes accessible bytransmit-
ting special satellite (SV) numbers and navigational (NAV)
data word that will cause an indication orreceived signal
strength.•An installed GPS receiverwith remote antenna system.•AnyGPS receiverorinstallation capable of indicating thata single satellite with appropriate navigation data was
detected. Operation The GPS-101 provides dedicated front panel keys for all primaryfunctions. Selected parameters are displayed on a wide viewingangle, high contrast, backlit LCD display.
An innovative approach for verifying the operational integrity of installed Global Positioning Sat
MODEKEYSRFLVL
e ellite (GPS) systems
The RF level can be adjusted from -85 to -145 dBm in 1 dB steps viaslew wheel control to verify GPS. •Verifyoperational integrityof GPSreceivers quickly•Selectable Satellite Vehicle (SV) andNavigation (NAV) Data•Adjustable RFlevels from -85dBm to -145dBm in 1dB steps•Dopplercontrol allows the operatortoselect a positive ornegative carrierfre-
quencyshift of approximately4kHz•Stored GPS Almanac with real time clock
•Direct connect to receiverorvia antennacoupler•Batteryoperated portability DPLR The doppler control allows the operator to select a positive or nega-tive carrier frequency shift of approximately 4 kHz to verify receiveracquisition and lock performance. SV Selects the satellite vehicle to be simulated (1 through 37). Thealmanac data is utilized to display an asterisk alongside the selectedsatellite vehicle if the satellite is unhealthy or not available. RFCONT Aeroflex is a leaderin the design, manufactureand marketing ofAvionics test systems.The IFRGPS-101Global Positioning Simulatorprovides accurate and repeatable testing of
Global Positioning Satellite (GPS)receivers. TheGPS-101achieves this testing capabilitybysim-ulating a Global Positioning Satellite and gener-
ating a specific Satellite Vehicle (SV)and
Navigation (NAV)data pattern. Coupled withremotelyloaded GPSalmanac information andRFlevels/frequencycontrol, the GPS-101pro-
vides a portable test solution forverifying theoperational integrityofGPSsystems. The RF control selects the modulating source for the 1575.42 MHz Forthe verylatestspecifications visit
www.aeroflex.com