Global Positioning System

The Global Positioning System (GPS) is the only fully functional Global Navigation Satellite System (GNSS). Utilizing a constellation of at least 24 medium Earth orbit satellites that transmit precise microwave signals, the system enables a GPS receiver to determine its location, speed/direction, and time.

Developed by the United States Department of Defense, it is officially named NAVSTAR GPS (Contrary to popular belief, NAVSTAR is not an acronym, but simply a name given by Mr. John Walsh, a key decision maker when it came to the budget for the GPS program[1]). The satellite constellation is managed by the United States Air Force 50th Space Wing. The cost of maintaining the system is approximately US$750 million per year,[2] including the replacement of aging satellites, and research and development. Despite these costs, GPS is free for civilian use as a pub read this entry »

If you are someone who travels a lot because of business or who just enjoys traveling to discover or visit new places that you have not been to before? Then a GPS device is definitely your ultimate travel companion and guide. The US Department of Defense developed this technology and they can be used by anyone, anywhere, and are often used for navigation and are the world’s only fully functional global navigation satellite system (GNSS). read this entry »

Are you that unique person who travels extensively in order to meet your status quo — on business – to meet the objectives of your performance analysis? Or perhaps you mainly travel for pleasure — your passion is traveling to discover and visit new places that you have not had the opportunity to discover? Great news — a GPS device will certainly be the best ultimate travel companion that you will invest in.

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Global Positioning System (GPS) Market in China 2008-2012

Global Positioning System (GPS) is a satellite-based navigation system, made up of a network of satellites. GPS is made up of three parts: satellites orbiting the Earth; control and monitoring stations on Earth; and the GPS receivers owned by users. GPS satellites broadcast signals from space, and are picked up and identified by the GPS receivers. Each GPS receiv read this entry »