Radar transponder
Radiation-hardened fast acquisition/weak signal tracking...
Radio and light based three dimensional positioning system
Radio communication and GPS navigation device
Radio frequency device for receiving TV signals and GPS...
Radio navigation system using a constellation of positioning...
Radio positioning system for providing position and time for...
Radio telecommunication network with fraud-circumventing registr
Radio telecommunications system and method with adaptive locatio
Radioterminals and associated operating methods that...
Radioterminals and associated operating methods that...
Ranging and processing system for mobile surveillance and data l
Ranging system using correlation between two spread spectrum wav
Rapid satellite signal acquisition in a satellite positioning sy
RDOP surface for GPS relative positioning
Real time clock for GPS receivers
Real time integration of a geoid model into surveying activities
Real time precision orbit determination system
Real-time high-accuracy determination of integer ambiguities in
Real-time kinematic initialization test system