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                                    What are the three major functional segments of GPS? Explain about any one | 
                            
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Answer»  The Global Positioning System (GPS) is a U.S. owned utility that provides users with positioning, navigation and timing services (PNT). This system consists of three segments: the space segment, the control segment and the user segment. Space Segment: This is formed by a Satellite Constellation with enough satellites to ensure that the users will have at least 4 simaltaneous satellites in view from any point at the Earth Surface at any time.  | 
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