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The image explains the Global Positioning System (GPS) with three segments: space, control, and user. The space segment consists of 24 satellites orbiting Earth every 12 hours at about 20,200 km, with solar panels for energy and atomic clocks for precision; satellites transmit and receive data. The control segment involves a control center that tracks satellites, sends data back, and adjusts satellite orbits; information is synchronized with atomic clocks. The user segment includes a handheld receiver which calculates distances by comparing transmission time with reception time; users determine exact location by measuring distances from four satellites.
Given the complexity of the image, the above description may not be entirely accurate.
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The GPS is a Global Positionning System which is use to locate and give direction to users all around the Earth.
The process of the GPS needs few satellites in order to give the right localisation to a user that is the receiver of the signal sent by the satellites. Monitor stations and antenna on Earth are the infrastructures that bond the receiver to the satellites.
So there are 3 mains segment to describe how GPS works, the space segment that include the satellites around the Earth, the control segment which is the bound between satellites and the Earth and the last the user segment, link between the satellites and the receiver.
The detail funtionning of the GPS needs at least four satellites to correctly locate the receiver, in fact each of the satellites send datas to the receiver by the antennas, datas like time and the exact position. 24 satellites are in constant 20000km orbit around the Earth, autonomous thanks to solar panels and an atomic clock on board.
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