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Why Do We Need 4 Satellites For Gps? [Solved]
An atomic clock synchronized to GPS is required in order to compute ranges from these three signals. However, by taking a measurement from a fourth satellite, the receiver avoids the need for an atomic clock. Thus, the receiver uses four satellites to compute latitude, longitude, altitude, and time.
Special Topics - GPS (6 of 100) Triangulation With Satellites
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Working of GPS | Why four satellites | How is time offset corrected.
GPS
Special Topics - GPS (43 of 100) Why Do We Need 4 Satellites?
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