Answer:
This is called The use of GPS to find Absolute Location
Step-by-step explanation:
Absolute location refers to a specific point on earth that is described by the Latitude and the longitude of the location.
Currently, we have more than 30 GPS satellites floating above the Earth, all of them constantly send out signals. The GPS receiver on the devices can catch on the signals and send the information regarding their location back to the satellites. This is how we can pinpoint the absolute location of the GPS device.