Unformatted text preview: Free-air correction h C F 086 . 3 = 2 E E R GM g = Accounts for the 1/r 2 decrease in gravity with distance from the center of the Earth, recall: We calculate: For 0.1 g.u. accuracy stations elevation is needed to 4 cm. Add or subtract? where h is the elevation in meters...
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- Spring '09