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#1 Federal
Vertical Datum Transformation
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: December 01, 2015 at 12:00 AM
VDatum is a free software tool being developed jointly by NOAA's National Geodetic Survey (NGS), Office of Coast Survey (OCS), and Center for Operational Oceanographic Products and Services...
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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:22 AM
#2 Federal
Geoid Height and Deflections of the Vertical Models
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: January 01, 2019 at 12:00 AM
In Gauss' words, the geoid is "the mathematical figure of the Earth". This figure is an equipotential surface coincident with the idealized mean sea surface. The geoid can be computed from the...
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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 03:38 PM

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