Quote:
Originally Posted by SPL
I think you meant that the gravitational field at the height of the GPS satellites is greater (not less) than that at geosynchronous height. Their orbits are closer to the earth, aren't they?
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No, I meant that the gravitational field at the satellite is less than the gravitational field at the receiver (half-geo orbit vs. within a few miles of sea level). There was no comparison of anything to a full geo orbit. Sorry for not being clearer on that.
-- Alan