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Does the GPS System Rely upon Einstein's Relativity?

From Natural Philosophy Wiki
Scientific Paper
TitleDoes the GPS System Rely upon Einstein's Relativity?
Read in fullLink to paper
Author(s)Barry Springer
KeywordsGPS, GPS operation, GPS error, GPS navigation, GPS time, Einstein, relativity
Published2012
No. of pages2

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Abstract

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.