HomeAstronomyGPS: What is it and how does it work?

GPS: What is it and how does it work?

GPS stands for Global Positioning System and we’d be lost without it (quite literally). 

Originally called Navstar GPS, this space-based technology is owned by the U.S. government and operated by the U.S. Space Force and relies on a swarm of 31 satellites to provide users with approximately 23 ft (7 meters) accuracy, 95% of the time, anywhere on Earth’s surface, according to the  Federal Aviation Administration (FAA) (opens in new tab).

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