The Global Positioning System (GPS) is a network of about 30 satellites orbiting the Earth at an altitude of 20,000 km. These signals, travelling at the speed of light, are intercepted by your GPS receiver, which calculates how far away each satellite is based on how long it took for the messages to arrive.
Keeping this in view, what is the difference between a GPS and a navigation system?
The Difference between GPS Tracking and Navigation. In GPS Tracking, there are two different approaches: GPS Navigation and GPS Tracking. Both make use of data sent and received via satellites that orbit our earth, but are packaged in two different ways. GPS Navigation features and benefits.
Do GPS work without Internet?
The GPS itself does not require an internet connection. You need a Maps App that can download the maps before hand, so they can be used without an internet connection. The free Google Maps app can now download areas of interest in advance of needing them.