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I'm not sure that's correct. Phones don't talk to satellites for geolocation, they talk to towers. If they are talking to towers then they are not passive, but
by revscat 13y ago
I'm not sure that's correct. Phones don't talk to satellites for geolocation, they talk to towers. If they are talking to towers then they are not passive, but active. That means that even in airplane mode you are still being actively tracked if the phone can see a tower.
- icebraining 13y agoPhone with GPS - such as the iPhone - don't need to talk to anything to geolocate, they just need to listen to the incessant signals sent down by the GPS satellites. Talking to cell towers can assist the GPS receiver[1], but it's not required. [1]: http://en.wikipedia.org/wiki/Assisted_GPS http://en.wikipedia.org/wiki/Assisted_GPS
- knowaveragejoe 13y agoPhone(or really, GPS receivers in general) don't need to talk to anything in order to figure out their location.