Several Details about GPS Satellite

The US military forces launched the first GPS satellite in 1978. More than thirty other satellites have been launched ever since for military, aviation and individual usage worldwide. In the history of the Global Positioning System, more than just one GPS satellite has been lost during launches or afterwards. Some satellites were taken out of service, others required replacements for technical purposes, but but no effort was spared for making GPS usage top quality. The decoding of the satellite signal is done by a GPS device or receiver that provides the exact geographical location according to three-dimensional coordinates.

Presently, almost any smartphone includes a form of GPS satellite navigation with different mapping support and applications. The GPS seems to have become an integrated part of people’s life, but one has to wonder what will happen in a couple of years when the now orbiting satellites will have to be replaced. At present, there are management and funding issues that seem to act against the proper reconditioning of the GPS applications. The US Air Force maintains the entire GPS satellite structure, the economic difficulties put a lot of stress on the managers who lack funds to invest in reconditioning.

The average user will hardly notice if any of the 31 orbiting satellites will fail, because normally, four satellites at time on the sky are enough to provide adequate information. Sometimes information may get redundant as the same GPS receiver can get simultaneous data from six or eight satellites, which is more than necessary. In the absence of GPS satellite real-time positioning, consumers would have to start using maps all over again. The military, maritime and transportation systems would suffer most if the satellites are not reconditioned.

In order to offer an alternative to the GPS satellite predominance, European states prepare to launch an independent satellite navigation system in 2010. Besides the USA, other countries that have GPS satellite dominance are Russia, China and India, that operate their own Global Positioning systems. Regardless of how things are managed in terms of policy, implementation and administration at the global level, the average user will not be affected by the different modifications in the way the GPS satellite communication works. More and more people will in fact start using GPS devices for increased efficiency of navigation.

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