Website Maintenance:
NGS is transitioning to “HTTPS-only” on December 27th, 2016. If you have unexpected website errors, please contact 12.19.2016

Save the date!
The National Geodetic Survey will host the 2017 Geospatial Summit April 24-25, 2017 in Silver Spring, Maryland 06.30.2016

2016 Experimental Geoid Models xGEOID16A and xGEOID16B Now Available 07.21.2016

ADJUST and UTILITIES - An updated version of ADJUST (and its utilities) has been released 06.08.2016

In The News

12/08/2016 - Supporting Surveying Efforts in Alabama

At the request of Alabama's Troy University Surveying and Geomatics Sciences Department, NGS measured a new Electronic Distances Measuring Instruments Calibration Base Line (CBL) in Brundidge, Alabama. NGS provided guidance for mark setting and other preparations... more

12/01/2016 - U.S. and Cuba Collaborate on Navigation Safety Improvements

NOAA's Navigation Services programs welcomed representatives of Cuba's National Office of Hydrography and Geodesy (ONHG) to Silver Spring this week to pursue collaboration on issues outlined in the NOAA-ONHG Memorandum of Understanding. Representatives from both agencies reviewed, revised, and are poised to approve a new international chart-the first cooperative charting product between the U.S. and Cuba during the modern era... more

11/17/2016 - Chesapeake Bay Sentinel Site Cooperative Tour

NGS hosted a tour of two sites in the Chesapeake Bay Sentinel Site Cooperative- Jug Bay Wetland Sanctuary and Smithsonian Environmental Research Center- for more than a dozen NOAA scientists, managers, and educators to show high-accuracy geospatial infrastructure... more

Previous NGS News Stories and Notices