Just in case GPS and GLONASS didn't make for enough of an acronym soup, BAE Systems wants to add one more to the navigation broth. NAVSOP (Navigation via Signals of Opportunity) uses some of the basic concepts we know from cell tower triangulation and WiFi location-finding to lock down a position, but goes much further to geolocate from nearly anything that pushes out a signal, such as nearby radios and TVs. It
