Geography, asked by zoiefrancois, 1 year ago

What do GPS devices do?

Answers

Answered by durekhan123

The Global Positioning System (GPS) is a network of about 30 satellites orbiting the Earth at an altitude of 20,000 km. ... Once it has information on how far away at least three satellites are, your GPS receiver can pinpoint your location using a process called trilateration.

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