GPS Tracking

GPS Tracking

GPS Tracking Developed by United States' Department of Defense, Global-positioning System is a space-based satellite navigation system that helps us to locate devices with GPS embedded in them. Unlike earlier times, where landmarks and maps were the only source of tracking, the technological advances of today's generation has brought a new dimension to the way we communicate.

GPS comes in the form of phones or gadgets, which tell you and others tracking you that at what spot on the earth are you. All you need is a GPS receiver and a clear sky, which can permit clear signals and you don't have to worry about getting lost. Civilians often use GPS as a navigation system. On the base station, a GPS receiver has computer software that zeroes in on its own position by getting bearings from a number of satellites. A GPS receiver's task is to locate these satellites, evaluate the distance to each of them, and use this information to construe its own location.

Locking out the GPS receivers in the base station takes some time more often than not. The detection is specifically delayed when the receiver is in a moving vehicle or in dense urban areas. The operation of doing this by tracking satellites is based on a simple mathematical principle called trilateration. Trilateration in three-dimensional space is a little complicated to explain. A GPS receiver calculates its position by precisely timing the signals sent by GPS satellites high above the Earth.

The hot start scenario is when the GPS device stores its last evaluated position and the satellites in view, information about all the satellites, the UTC Time and tries to lock onto the same satellites and evaluates a new position based upon the information from the earlier data.

The message sent by the satellite contains the information of the time when the message was transmitted. Any GPS tracking system has a control segment that comprises of primary four parts- a master control station (MCS), an alternate master control station, four dedicated ground antennas and six dedicated monitor stations. In number of scenarios, the cock on the GPS receiver's end is a cause for error. It happens due to the extremely high speed of light and the distance between the GPS receiver and the satellites.

Sometimes there is disturbance in the network signal or no network. In that scenario, the data is stored locally and sends when the network is established. Advanced systems usually use GPS or GLONASS technology for tracking the vehicle. Though once can also use other types of automatic vehicle location technology. Internet in combination with the maps and software can give us some information on the vehicle The GPS data sent by the device is stored in a secured database of Vehicle Tracking application.

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