ground stations

Why Are GPS Satellites Important?

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Why Are GPS Satellites Important? They are used for navigation by both the military and civilians. These 24 main GPS satellites orbit Earth every 12 hours, sending a synchronized signal from each individual satellite. Because the satellites are moving in different directions, a user on the ground receives the signals at slightly different times. How

Why Are There 30 GPS Satellites Orbiting The Earth?

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Why Are There 30 GPS Satellites Orbiting The Earth? Each satellite circles the Earth twice a day. The satellites in the GPS constellation are arranged so that users can view at least four satellites from virtually any point on the planet. … Over 30 GPS navigation satellites are whizzing around the world, orbiting at an