Introduction to Satellite Tracking GPS Technology

Server, or GPS receivers can be installed on each mobile phone base stations, GPS receivers can also be built in the phone, it also works well in the field, because it is receiving satellite signals, Sprint PCS, Verizon and Nextel is the use of such technology.

911 in Europe and the United States, a similar service location service, has also carried up. Their service number is 112. July 24 this year, the European operators are also mandated to provide location services. This is an Enhanced 112 Act was.

GPS Description:
Developed by the U.S. Department of Defense's 24 Jude Biao 20,183 km altitude of the satellite constellation, with 55 degree isometric evenly distributed in six orbital planes, and the cycle of 11 hours 58 minutes running around the Earth composed of the global positioning satellite System (Global Positioning System, GPS), in each of the satellites are contained on the location and time signals, as long as the client-side installation of GPS devices, anywhere can receive the signal at least 5 satellites. Today, GPS receivers clients ever-shrinking, at lower prices, more and more high-precision stand-alone receiver, it began to emerge in the mobile phone, PDA, notebook computers and other electronic information products, the future is expected to become even more products standard with one.

A long history of satellite navigation technology, has not yet spread to the general life, is due to military purposes has long been based. Contributed to the development of the first unit of satellite navigation technology in the United States and the Soviet Union launched Sputnik 40 years ago the Soviet Union began, and the use of latitude and longitude coordinates of its loca