What Is GPS and How Does It Work? The GPS system is operated by the US government, and has three components, or “segments.” The first is the Space Segment, which consists of between 24 and 32 ...

Global Positioning System tracking is a method of working out exactly where something is. A GPS tracking system, for example, may be placed in a vehicle, on a cell phone, or on special GPS devices, ...

How GPS Works: Accuracy When the forerunner of today’s Global Positioning System was launched by the U.S. Navy in 1957 to track submarines during the Cold War, GPS was largely a military ...

How GPS systems work Aided by the grid of satellites orbiting the earth, the global positioning system tells us where we are and where we have to go. Santosh Kushwaha Print Edition: 31 Jan, 2012 ...

Explore the world of Global Positioning System (GPS) technology, from its military origins to everyday use. Learn how GPS Services work.

When individuals use the term "GPS," they are most often referring to a GPS receiver. In reality, the Global Positioning System is actually a constellation of 27 satellites orbiting the Earth.

<br> -- Q U E S T I O N: I have a handheld GPS device that can tell me, within a few dozen yards, where on earth I am. Can you tell me how on earth it works? — Justin D. A N S W E R: Actually ...

GPS started life as a military-first satellite system meant to increase the accuracy of aircraft, submarines, and their ordnance. Until 2000, the signal available to civilians was degraded to ...