Additions to our web site (Archive)...

Alabama FBN Survey (June 10, 2004)

NGS is supporting a Federal Base Network densification survey in Alabama. This map shows the survey's status.

NOAA Seminar in Boulder (February 25, 2004)

On February 25, 2004, a CORS Seminar was held at the NOAA campus in Boulder, CO to celebrate the kick-off of the Parallel CORS Data Facility.

NGS Documents Hurricane Isabel Destruction in N.C. (September, 2003)

NGS spent the weekend following hurricane Isabel taking photos of the changed North Carolina coastline....  ... more info

A CORS Users Forum was held in Portland Oregon (September 9, 2003)

 

OPUS Updated (August 2003)

NGS Introduces a new version of the OPUS service.

GPS vs. Leveling (August 2003)

In August, NGS began a research project in Colorado to improve surveying techniques

How Much Data Is Enough? (July 2003)

NGS begins a research project in North Carolina to test how much data surveyors need to meet accuracy standards.

NGS Project Proposal Form (July 21, 2003)

To obtain helpful data files and advice concerning your geodetic control surveys.

Carolinas Re-Survey Border (April 4, 2003)

Listen to a NPR's All Things Considered radio broadcast. South and North Carolina are using 21st Century surveying techniques to ease confusion about the last survey of the two states' border, done in 1815.

New NGS Policy (March 26, 2003)

NGS is discontinuing the sale of Geodetic Datasheets in CD-ROM Format.

NGS expands its PC Software distribution offerings (June 2002)

NGS welcomes User Contributed software to its Geodetic PC Software download service.

NGS Hosts the 2002 CORS Users Forum (April 2002)

The National Geodetic Survey hosted a one-day CORS Users Forum on Friday, April 19, 2002 at the NOAA campus in Silver Spring, MD. The Forum's theme was "Coordinating Regional and Statewide CORS Networks."
All the PowerPoint Presentations from the Forum are available online as well as the final report (pdf format).

U.S. National Grid conversion software added to the Geodetic Toolkit (Feb 2002)

The national grid will improve public safety, commerce, and aid the casual GPS user with an easy to use geoaddress system for identifying and determining location with the help of a USNG gridded map and/or a USNG enabled GPS system.

• See the Standards [PDF format] published by the US National Grid Standards Working Group.

NGS at the 2002 Olympics (April 2002)

In recognition of the 2002 Winter Olympic Games in Salt Lake City, the National Geodetic Survey has established a commemorative high accuracy geodetic reference station on the campus of the University of Utah.

Phaseout of Data Submission Format (Nov 2001)

The National Geodetic Survey (NGS) will require descriptions to be in "D-file" format after December 31, 2001. NGS no longer supports or maintains the PC version of software for the superseded "Unified" format.

NGS Assists World Trade Center Recovery Efforts (Oct 2001)

The National Geodetic Survey (NGS) has helped map the wreckage of the World Trade Center in support of recovery and cleanup efforts following the Sept. 11 terrorist attack.

• Related Story: Newly Installed American Samoa CORS Reference Station's Design Honors Sept. 11 Victims.

Anacostia River Marsh Restoration (Oct 2001)

The National Geodetic Survey joined other federal agencies in a marshland restoration project at Poplar Point along D.C.'s Anacostia River.  Wetlands Restoration Projects Page

Submitting Projects to NGS (Slide Show)

Powerpoint File [964Kb] or  HTML Slide Show

CORS Network Supports Airborne Mapping (Sept 2001)

Recently published articles, one by Bruton, Mostafa and Scherzinger (2001) and another by Mustafa and Hutton (2001) quantify how accurately CORS sites serve to position aircraft during airborne mapping operations.

SWaPS -- Monitoring Underwater Environments with GPS (Sept 20, 2001)

Members of NOAA's National Geodetic Survey (NGS) rigged a Global Positioning System (GPS) receiver to a digital camcorder connected to a flotation device. The device provides scientists and others with an unprecedented ability to monitor changes in coral reefs and underwater vegetation.

GPS Digital Distortion Anomaly Test (Sept 14, 2001)

The PRN 19 test, previously scheduled for June 18 and August 15, was conducted September 10-12, 2001.

NGS Report To Congress (August 2001):

Geodetic Programs Needs of Louisiana and Wisconsin

NGS sets a geodetic marker at the USA's Population Center (May 9, 2001)

NGS is encouraging a marker be set at each State Population Center.

OnLine Positioning User Service (OPUS) (February 26, 2001)

OPUS is added to the Geodetic Tool Kit. OPUS allows users to submit their GPS data files in RINEX format to NGS, where the data will be processed to determine a position using NGS computers and software. Each RINEX file that is submitted will be processed with respect to the 3 nearest National CORS sites. 

NAVD 88 Gravity (January 12, 2001)

A facility for computing gravity from the model used for the NAVD 88 adjustment has been added to the geodetic tool kit. 

 

CR8BB version 5.4.2 (December 15, 2000)

A new version of CR8BB, a computer program that reformats GPS project information to fit the requirements of the National Geodetic Survey data base, is now available. Version 5.4.2 provides additional sorting capabilities and corrects a minor problem encountered when importing a SERFIL. 

 

NGS ADOPTS TRANSFORMATION(October 5, 2000) 

The National Geodetic Survey, in concurrence with Canada's Geodetic Survey Division, has adopted a set of equations for transforming ITRF97 positional coordinates (X_I, Y_I, Z_I) at a specified epoch date to their corresponding NAD 83 values (X_N, Y_N, Z_N) 

 

Updates to Description Entry Programs (Sept. 27, 2000)

New versions of most of the programs in the DDPROC 4.XX package are now available. These programs correct a number of small bugs in earlier versions. 

 

Mark Recovery Entry Form Implemented (August 18, 2000)

The Mark Recovery Entry Form has been implemented on the Products and Services page. This form allows an individual to contribute a description of a recovered mark to NGS for processing and possible loading into the geodetic data base.