04/20/2009 - NSRS 2007 Adjustment Report Released
A readjustment of all Global Positioning System (GPS) survey control in the United States was completed in 2007 by the National Geodetic Survey (NGS). more
2/2009 - Celebrating 15 Years of the CORS Program
This February, the National Geodetic Survey (NGS) is celebrating the 15th anniversary of the Continuously Operating Reference Station (CORS) program. more
1/29/2009
- Guidelines Document Released: Connecting SET wetland bench marks to the NSRS
NGS has released for public comment a draft guidelines document detailing procedures for making precise and accurate connections between Surface Elevation
Table (SET) wetland bench marks and the National Spatial Reference System (NSRS)
using survey-grade Global Navigation Satellite System (GNSS) technology. more
1/15/2009
- NGS releases Beta Geoid Height Models
NGS has released Beta models for GEOID09 and USGG2009 for testing and evaluation
.
Final models will be released later this year after incorporating any changes to
the control data.
more
1/05/2009
- NOAA Names First Woman to Direct National Geodetic Survey
Juliana P. Blackwell has been named the new director of NOAAs Office of Na
tional Geodetic Survey where she will oversee NOAAs responsibilities for t
he nations spatial reference system.
more
View imagery taken after previous hurricanes.
08/11/2008
- Draft NGS Five-Year Strategic Plan Available for Review
NGS invites you to review and comment on the Draft NGS Strategic Plan
available here
. As shown on the flyer, please email comments to
ngs.feedback@noaa.gov,
with reference to Strategic Plan by
October 1st, 2008.
06/23/2008 - IGS
Workshop presentations posted
NGS hosted the IGS Analysis Center Workshop 2008
in Miami Beach during 2-6 June 2008. All of the
available presentations (oral and poster) have been
posted here.
05/19/2008 - New
Version of the
Horizontal Time Dependent Positioning Tool
NOAA's National Geodetic Survey recently released version 3.0 of the
HTDP software for transforming positional coordinates and/or geodetic
observations across time and between spatial reference frames.... more
05/06/2008
-
Real Time User Guidelines Draft Released
NGS has released for public comment the draft of single-base real-time
positioning techniques, procedures and technical information to help
users achieve accurate, consistent coordinates for their real-time
applications. NGS is currently working on subsequent releases of
additional guidelines for the users and administrators of real-time
networks (RTN), especially in regard to the importance of keeping them
aligned to the NSRS. more
03/11/2008
-
Bluebook Data Submission Policy Addendum Released
Beginning June 15th, 2008, NGS will only accept projects which have
been adjusted to the current realization* of the NAD 83 in the survey
area.
... more
03/11/2008 -
The National Readjustment
A new FAQ page has been added here
01/09/2008 - The NGS 10 year
plan approved
After an extensive review of stakeholder feedback on the original draft
of the NGS 10 year plan, a final version was created and approved by
the NGS Executive Steering Committee.... more
12/20/2007 - NGS announces the release of the GRAV-D project plan The GRAV-D project is an ambitious proposal to collect the necessary gravity data over the United States which supports the re-definition of the vertical datum by 2017, as described in the NGS 10 year plan. Click here for details.
11/15/2007 - Data sheet modifications for the NAD 83 (NSRS2007) coordinates The following modifications to the data sheets have been implemented ...more
Webpage for Corbin Training Center Launched NGS has established a training center in Corbin, VA. The mission of the Corbin Training Center is to provide high quality training to improve the geodetic positioning capacity of partners internal as well as external to NOAA, and to increase the knowledge and skills of NGS employees.
Just Released! OPUS - rapid static
OPUS-RS (rapid static), a new variation of the Online Positioning User
Service (OPUS), is now operational. OPUS-RS enables users to submit as
little as 15 minutes worth of GPS data to NGS via the Web, whereupon
NGS will process these data with data from the CORS network to provide
the user with accurate positional coordinates for the location
associated with the submitted data. ...more
Project Proposals: Data and advice to help you plan your geodetic control surveys.
Mark Recovery Entry Form: Submit information on the condition of survey markers in the National Spatial Reference System through this web site. [Go directly to the form]
VDatum Utility: VDatum is a tool for the conversion of elevation data among 28 different vertical datums.... more
NOAA Shoreline Data Explorer provides access to the NGS Vector Shoreline Data Base