GPS: What is it?


Mobile phone apps that use gps

Google maps (comes with most modern smartphones),and apps like my tracks records your path with gps tracking to track where you've been when the app is open. There are numerous other mobile phone apps that use gps.



The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites. It is maintained by the United states government and is freely accessible to anyone with a GPS receiver .

The GPS program provides critical capabilities to military, civil and commercial users around the world. In addition, GPS is the backbone for modernizing the global air traffic system.