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GPS characteriscs

The GPS network is a set of 24 satellites. They use triangulation to determine thei position with an accurancy of -/+ 5 meters.

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  • The satellites are on a circular orbit with a revolution period of 12 hours.

  • The location of the satellite are known and ground controllers checks them every days.

  • Gps receivers use datas collected directly from the satellites to determine by their own an exact position. For this they use triangulation

  • All the satellites are equipped with an atomic clock, the communicate with the ground on microwave frequency.

  • GPS-accurancy

GPS-Auto.org 2018