Big questions. Clear answers. One idea at a time.https://whybench.com/en-auhttps://whybench.com/avatar.pnghttps://whybench.com/360https://whybench.com/questions/how-does-gps-know-where-you-are/https://whybench.com/questions/how-does-gps-know-where-you-are/Your phone never sends anything to the satellites. It listens to their time stamps, turns each delay into a distance, and lets a fourth satellite fix its own clock.Thu, 24 Sep 2026 00:00:00 GMTTechnologyGPShow GPS workssatellitesatomic clockstrilaterationpositioningnavigation