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Federal
NOAA Continuously Operating Reference Stations (CORS) Network NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide... -
Federal
Geoid Height and Deflections of the Vertical Models NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Archive of NOAA Continuously Operating Reference Stations (CORS) Network (NCN)
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey's (NGS) NOAA Continuously Operating Reference Stations (CORS) Network (NCN) provides Global Navigation Satellite System (GNSS) data... -
Federal
Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity for the Re-definition of the American Vertical Datum (GRAV-D) is a project initiated by NOAA's National Geodetic Survey to collect and monitor gravity data... -
Federal
Geodetic Control Information on Passive Marks NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This data contains a set of geodetic control stations maintained by the National Geodetic Survey. Each geodetic control station in this dataset has either a precise... -
Federal
Calibration Base Lines for Electronic Distance Measuring Instruments (EDMI)
National Oceanic and Atmospheric Administration, Department of Commerce —
A calibration base line (CBL) is a precisely measured, straight-line course of approximately 1,400 m used to calibrate Electronic Distance Measuring Instruments... -
Federal
U.S. Federal Mapping Coordination
National Oceanic and Atmospheric Administration, Department of Commerce —
The Sandy Emergency Supplemental appropriations contained funds for federal and state agencies that will go to ocean and coastal mapping data acquisition. These data...