One of the unique gifts of modern technology is GPS (Global Positioning System). Nowadays, anyone who has a smartphone with GPS can travel around the world without any help and all this is possible for GPS technology. GPS (Global Positioning System) was developed in 1955. Since then, over time, its technology has improved in many ways. You have a mobile in your hand and you can get all the information including your location in a blink of an eye but all these things are possible for the satellites above your head. GPS takes the help of satellite technology to know your location. There are currently 30 (More than 30 according to NASA) satellites orbiting the Earth for GPS work, of which 27 are currently in operation and the remaining 4 (appx.) Are for future backup. If any of those 30 satellites are malfunctioned, then those 4 satellites will be used. The three parts of GPS are: 1. Satellite 2. Ground Station 3. Receiver Image: GPS communication (Image source: NASA) The mobile you are u...
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