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What is Global Positioning System (GPS),its uses and working system?

Global Positioning System (GPS) navigation system.It is based on navigation satellites.24 navigation satellites are placed in orbit by the U.S. Department of Defense. Global positioning system was designed for U.S military use. The U.S government made a publicly available Global Navigation System in 1980.

Global Positioning System (GPS)
Global Positioning System (GPS)

Today’s GPS is used in many applications and devices like smartphones,cars,constructions as for tracking purpose and marking .

Understand Global Positioning System (GPS)working 

GPS satellites complete the circle of earth two times in one day.Its orbit is very accurate. GPS satellites send and receive signals information to earth. For use of GPS signals two devices are required .GPS signal sender device and receiver device.Suppose we have two GPS devices, one in a car and one is connected with pc. And we try to locate car position in the globe.Then we send request to Global Positioning System Satellites for locate the car.The GPS satellite receive signals from GPS device located in car ,analyze its location to compare with distance from other GPS satellites and send the location data to your computer.Global positioning system satellite use the time difference of GPS receiver to calculate distance and location of device. After this calculation receiver (your pc)can determine the user’s position (car location) and display it on the unit’s electronic map.

Benifits of Global Positioning System (GPS) uses

GPS or global positioning system is works in any weather conditions and  anywhere in the world, 24 hours a day. Setup of gps is free and no charges.only gps signal sender or receiver device in required.