Does the GPS System Rely upon Einstein's Relativity?

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Scientific Paper
Title Does the GPS System Rely upon Einstein's Relativity?
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Author(s) Barry Springer
Keywords GPS, GPS operation, GPS error, GPS navigation, GPS time, Einstein, relativity
Published 2012
Journal None
No. of pages 2

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A large scale overview of GPS system operation is provided and the process of achieving a navigation solution is explained. The process is based on classical physics. The one instance where a prediction of General Relativity appears to be realized is shown to actually not depend upon General Relativity. A closed loop feedback control system approach is shown to provide the error detection and correction that produces the high accuracy of the GPS system, without reliance on Einstein's relativity.