How GPS Tracking System Works

Question arise in our mind "How does GPS Tracking system Works"? The Global Positioning system is a navigation system that is used to track objects like vehicles and mobiles. It is based on satellites, maps and computer software. People no longer have to resort to the age-old practices of choosing landmarks and maps to locate something or someone. GPS has an answer to all these issues.

GPS was developed by United States' Department of Defense. GPS is a contemporary technique that has made security enhanced and people have started trusting the technology even more. It is essentially a space and Internet based satellite navigation system that helps us to track devices with GPS software and components installed in them. On the base station or ground station, a software of the GPS receiver pinpoints to its location with the help of signals from the satellites. The technological advances of this age has brought a new facet altogether 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. 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.

The locking out the GPS receivers in the base station is a time consuming activity, to say the least. The recognition of the receiver is specially delayed in the scenario where there is 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.

The GPS device records its last estimated position, the satellites in vicinity and the information about all the satellites, this is called hot start. the UTC Time and tries to lock onto the same satellites and evaluates a new position based upon the information from the earlier data.

Internet, by blending the usage of maps and software helps us extract some information on the mobile or any object to be tracked. The GPS data sent by the device is stored in a secured database of GPS Tracking application. The message sent by the satellite contains the information of the time when the message was transmitted.

A GPS tracking system has a control segment that comprises of four components:

  • Master control station (MCS)
  • Alternate master control station,
  • Four antennas on the base station
  • Six dedicated monitor stations.

In number of cases, the source of error is the cock on the GPS receiver's end. It happens due to the very high speed of light and the distance between the GPS receiver and the satellites.


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