What is GPS ? What are it's uses ?
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GPS: Global Positioning System
It has been developed in order to allow accurate determination of geographical locations by military and civil users. It is based on the use of satellites in Earth orbit that transmit information which allow to measure the distance between the satellites and the user.
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Global Positioning Unit
- The Global Positioning System (GPS), originally Navstar GPS (stylized in capital letters in its logo), is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force.
- It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.
- Obstacles such as mountains and buildings block the relatively weak GPS signals.
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