Apparatus and method for a location determination and reporting (LDR) system for clandestinely determining and reporting a missing vehicle present location. The vehicle may be stationary or moving and may be anywhere within reach of a cellular central station to which the location is reported. The vehicle...http://www.google.es/patents/US5629693?utm_source=gb-gplus-sharePatente US5629693 - Clandestine location reporting by a missing vehicle
Clandestine location reporting by a missing vehicle
