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Geoid, Gravity, Deflection, and Data Coverage Grids

These datasets were prepared by the National Geodetic Survey for the Solid Earth Geophysics Division of the National Geophysical Data Center (NGDC). The data elements are written in ASCII and can be downloaded in compressed format. Geoid height, deflection of the vertical, N/S and E/W components, terrain corrected free-air gravity anomalies, and number of gravity data per cell are available for the conterminous US, Alaska, Hawaii, Puerto Rico and the Virgin Islands, and Mexico. The Geoid height using the G96SSS Geoid Height Model is available for the conterminous US. Descriptions and formats are available for each data set separate from the data file.
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Date Issued 1997
Scout Publication
Date of Scout Publication 1998-02-04
Archived Scout Publication URL

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