Autonomous hardwired tracking loop coprocessor for GPS and...
Autonomous projection of global navigation satellite orbits
Autonomous satellite navigation system
Auxiliary system for assisting a wireless terminal in determinin
Auxiliary system for assisting a wireless terminal in...
Avoiding interference to a GPS receiver from wireless...
Azimuth determination for GPS/INS systems via GPS null steering
Azimuth/attitude detecting sensor
Background ephemeris download in navigational receivers
Balanced integrated position determination system and...
Base station almanac assisted positioning
Beacon-assisted spacecraft attitude control systems and methods
Beam forming network, a spacecraft, an associated system and...
Beam steering antenna unit
Bit depth reduction for analog to digital conversion in...
Bit depth reduction for analog to digital conversion in...
Bootstrapping tandem GPS navigation receivers
Calibrating the sampling frequency of a GPS receiver
Calibration and correction system for satellite position...
Call maintainance during position location