Gravity survey with relative and absolute gravimeters

Details Gravity survey with relative and absolute gravimeters Gravity survey with relative and absolute gravimeters

2009-01-14

2011-10-04

Williams, Hezron E (Department: 2856)

Measuring and testing

Gravitational determination

C702S085000

Reexamination Certificate

active

08028577

ABSTRACT:
A gravity survey is conducted by obtaining relative gravity measurements from a plurality of survey points using a relative gravimeter, obtaining absolute gravity measurements from a subset of a lesser plurality of the survey points designated as combination survey points, determining a correction factor related to any difference between the relative and absolute gravity measurements at each of the combination survey points, and correcting the relative gravity measurements made at the survey points which are not combination survey points using the correction factor. The absolute and corrected relative gravity measurements at the survey points constitute the gravity survey.

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