GPS could drop off the map as British boffins work on a new location technology that navigates by signals from mobile phones and Wi-Fi. Defense firm BAE Systems is testing Navsop, a navigation system that goes where others can't.
Navsop figures out where it is from a GPS signal, then learns about different signals including medium-wave radio frequencies, mobile phones, televisions, and Wi-Fi to find its way around.
Read more of "Navigate by Wi-Fi and TV signals with GPS rival Navsop" at Crave UK.