The popular GPS devices that people use to find directions while driving use which type of satellite system?

Question

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GPS devices use a Medium Earth Orbit (MEO) satellite system. MEO satellites orbit at an altitude of about 20,000 kilometers above the Earth's surface, which allows them to provide accurate signals to GPS devices on the ground. Low Earth Orbit (LEO) and Highly Elliptical Orbit (HEO) satellite systems are not commonly used for GPS devices. Geostationary Earth Orbit (GEO) satellites are also not used because they are located too far from the Earth's surface to provide accurate GPS signals.

The Popular GPS Devices That People Use to Find Directions