Robotics and Automated Systems Project.

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GPS satellites circle earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and triangulation to calculate the user's exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map.

How GPS Works

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Robotics and Automated Systems Project.

By Lisalogiudice

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