Question

7
Smartwatches can be used in remote regions of the world. These can have an in-built GPS system
to help the wearer to locate their position and therefore help with navigation,
(a) Explain how GPS is used to display their location on the watch.​

Answer 1

Answer:

Global Positioning System locates through a process called triangulation.

Triangulation is a way to determine the difference between the time that your running watch receives a GPS signal and the time that GPS signal was sent to your running watch. The difference between sending and receiving a GPS signal determines how far away the satellite is.

That process gets repeated with satellites that sit further away from the watch receiver, which pins down its exact location and continues to track the receiver throughout the activity.

Explanation: