ULB location system for rescuing avalanche victims
Ultra wideband precision geolocation system
Ultra-tightly coupled GPS and inertial navigation system for...
Ultra-wideband active electronically scanned antenna
Ultra-wideband pulse coincidence beamformer
Ultrabroadband, adaptive phased array antenna systems using micr
Unambiguous wide baseline interferometer
Unassisted indoor GPS receiver
Unbiased code phase estimator for mitigating multipath in GPS
Unconventional range navigation system with efficient update...
Urban terrain geolocation system
Use of desired orientation in automotive navigation equipment
Use of geo-stationary satellites to augment wide —...
Use of global positioning satellites (GPS) to discover and...
Use of global positioning system in locating a radio...
Use of GPS correction data on trans-oceanic routes
User equipment navigation solution with position...
User paging for mobile satellite communications
User segment-based lever arm correction via prescribed...
User terminal positioning system and method employing external s