Catalog - Data.gov

#1 Federal

NOAA Continuously Operating Reference Stations (CORS) Network

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: February 11, 2025 at 12:00 AM

The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide Global Navigation Satellite...

Search relevance: 1.00 | Views last month: 34 | Catalog Last Checked: August 02, 2026 at 03:38 PM

#2 Federal

Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 2020 at 12:00 AM

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 suitable for the re-definition...

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 03:38 PM

#3 Federal

Geodetic Control Information on Passive Marks

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 2020 at 12:00 AM

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 Latitude/Longitude used for...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 03:38 PM

#4 Federal

Archive of NOAA Continuously Operating Reference Stations (CORS) Network (NCN)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: April 22, 1994 at 12:00 AM

The National Geodetic Survey's (NGS) NOAA Continuously Operating Reference Stations (CORS) Network (NCN) provides Global Navigation Satellite System (GNSS) data consisting of carrier phase and...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 04:31 PM

#5 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...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:22 AM

#6 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...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 03:38 PM

#7 Federal

U.S. Federal Mapping Coordination

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 2013 at 12:00 AM

The U.S. Mapping Coordination Footprints dataset consists primarily of Federal agency areas of interest for ocean and coastal mapping. This data is provided as shapefiles and raster files,...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 25, 2026 at 09:50 PM

#8 Federal

Calibration Base Lines for Electronic Distance Measuring Instruments (EDMI)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 1974 at 12:00 AM

A calibration base line (CBL) is a precisely measured, straight-line course of approximately 1,400 m used to calibrate Electronic Distance Measuring Instruments (EDMI). A CBL usually consists of...