Information On The GPS Satellite

The first GPS satellite was launched in 1978, under the direct command of the US military forces. Since then, more then three dozens satellites have been launched on Earth’s orbit, servicing not only military and aviation forces but individual private users worldwide. In the history of the Global Positioning System, more than just one GPS satellite has been lost during launches or afterwards. Some orbiting devices were taken out of service, others required replacements for technical purposes, but but no effort was spared for making GPS usage top quality. A GPS receiver decodes the signal sent by the satellite and gives the exact location based on latitude, longitude and altitude.

Presently, almost any smartphone includes a form of GPS satellite navigation with different mapping support and applications. People depend more and more on GPS orientation and problems may appear if replacements do not come for the orbiting satellites that will expire in a few years. At present, there are funding and management issues that impair the proper reconditioning of the GPS applications. The US Air Force maintains the entire GPS satellite structure, but according to a recent May 2009 report, there are economic difficulties to be overcome.

At present there are some 31 satellites in service and since only four are necessary to get a fix on the position, the average user will not feel a change if some of the orbiting devices fail to work. There is a certain redundancy in the way information is provided, because sometimes, six up to eight satellites can get connected to a GPS receiver for the same tasks. 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 be the most affected 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. There are other countries that have individual satellite navigation and here we can count India, China or Russia. No matter 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. In fact, the number of GPS users will get higher because of people’s attempt to improve the efficiency of navigation.