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What does the user segment of GPS consist of?

  • A.Satellites orbiting the Earth
  • B.Ground control stations
  • C.Ground centres processing the GPS signals
  • D.Receivers that can be handheld or mounted in cars

Answer: D

The user segment consists of receivers that can be handheld or mounted in cars.

GPS has three segments. The space segment is the constellation of satellites orbiting the Earth. The control segment is the network of ground stations that track the satellites and correct their orbits and clocks. The user segment is the GPS receivers, in phones, cars, ships and handheld units, that pick up the satellite signals and compute position.

So the satellites belong to the space segment, and the ground stations and processing centres to the control segment.

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