Personal emergency location system
Personal location detection system
Personal surveillance system with locating capabilities
Pet locator
Pet locator
Phase ambiguity resolution method for a satellite based...
Phase step alert signal for GPS integrity monitoring
Plural beam reduction of multipath reflections
Pole-tilt sensor for surveyor range pole
Portable Astronomic/meteoric observation system
Portable dead reckoning system for extending GPS coverage
Portable device for determining horizontal and vertical...
Portable electronic devices, methods and computer program...
Portable flight guidance and tracking system
Portable GPS position measuring/displaying apparatus
Portable GPS positioning apparatus
Portable GPS signal receiving apparatus
Portable GPS type distance/speed meter capable of changing...
Portable GPS type distance/speed meter capable of...
Portable hybrid location determination system