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The Global positioning system(GPS) is the satellite navigation system. Global positioning system consists of three parts that includes satellites, receivers and ground stations. The Global positioning system(GPS) is used for providing the information about time and location. All three parts of a Global positioning system works in such a manner to provide the information regarding time and location. satellites work as the stars in the orbit at a particular time and ground stations supposed to be in radar at a particular location and the receiver receives the signals from the satellites, the receiver analyses all the information or signals that provided by these satellites and hence describe your exact location.
The global positioning system is very useful to military, civil and commercial users around the world. It is freely obtaining able to anyone with a GPS receiver. Global positioning system works in any weather condition, anywhere in the world, 24 hours a day. GPS is global positioning system, it is receiver-based technology. Till date there are around 30 satellites used for Global positioning system. Each satellite transmits in a broadcasting manner (they do not interfere because of pseudo noise random sequences used in each satellite). Handset which is equipped with GPS receiver receives the signal from at least 3 satellites to find the location. Triangulation is the method it uses to find the geographical location of the handset. It finds the intersections of these 3 satellites, i.e., intersection of 3 circles formed by these satellites.
The Global positioning system consists of three major parts which coordinate with one another to bring forth the relevant information whenever needed. The three parts include:
1. GPS satellites that orbit at an altitude of 20,000 kilometers above the surface of the earth.
2. GPS control and monitoring stations.
3. Individual GPS receivers
Overall GPS is an amazing and useful technology to determine the actual location of any object or vehicles in all-weather condition. GPS is very useful system in Delhi as well as all over the world.