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russ_watters
#11
Aug10-03, 05:12 PM
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P: 22,296
Originally posted by wisp
I doubt that the exact positions of the satellites have been verified by means of an optical check.
In order to make the system give positions accurate to 10m, the position of each satellite must be known to better than 10m precision.
Now if someone applied SR with Einstein's clock synchronization, we would see immediately that things were not right because the clocks are out.
Clocks on GPS satellites DO vary according to SR.

This is as far as I'm going to go, wisp. You have a TON to learn about Relativity and its implications. I really recommend you read a book on it.