Apparatus and methods for managing a detailed status message and alarm message of a global positioning system (GPS) receiver and broadcasting an accurate system time. The GPS receiver receives current time and positional information from a global positioning system satellite, to generate clocks to respective...http://www.google.de/patents/US5973640?utm_source=gb-gplus-sharePatent US5973640 - Method and device for managing status/alarm message of GPS receiver and broadcasting system time
