> GPS satellites don't send down a location, they only send down time The GPS almanac data they transmit is effectively location. It's not literally location,

> GPS satellites don't send down a location, they only send down time The GPS almanac data they transmit is effectively location. It's not literally location, but the P code isn't literally time either. > and they can (and have!) turned off GPS off certain regions at will when necessary As I understand it, those capabilities are no longer present in newer (possibly all active?) GPS satellites.