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•  Upcoming Events  •  NGS In The News  •
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Aerial Photographs of Hurricane Katrina's Path

Imagery of the Gulf coast of Mississippi after Hurricane Katrina made landfall.

Hurricane Katrina Path
Aerial Photographs of Hurricane Dennis' Path

Imagery of the Gulf coast of Alabama and Florida after Hurricane Dennis made landfall.

Hurricane Dennis Path
NGS Officially Releases NOAA Technical Report 50
The National Geodetic Survey (NGS) officially releases NOAA Technical Report 50: Rates of Vertical Displacement at Benchmarks in the Lower Mississippi Valley and the Northern Gulf Coast . . . more
The National Readjustment
NGS is planning the readjustment of GPS stations submitted by June 01, 2005. . . more
GPS projects submitted after June 1 must include ties to CORS in order to publish network accuracies. see policy
New CR8BB Version 6.0 Released (March 7, 2005): This new version of CR8BB has been reorganized slightly to make manipulating project information, station information, and survey measurements faster and easier. Some SERFIL functions have been expanded and the field checking is now less obtrusive. Get the new version
ACSM Bulletin: The American Congress on Surveying and Mapping (ACSM) Bulletin discusses NGS' role in the survey community and the recent 2004 NGS convocation.
RTK Blankets Buckeye State: The feature article "Ohio DOT's VRS Network" appeared in the December 2004 issue of Professional Surveyor Magazine. This article describes the nation's first statewide real-time kinematic (RTK) GPS network.
Mapping the Ionosphere: Modelling the uppermost layers of the earth's atmosphere is an essential component for accurate and rapid GPS positioning... more
Lewis And Clark Bicentennial:  To honor Lewis and Clark's contributions to mapping, NGS is installing a series of commemorative markers along the route that Lewis and Clark traveled.
 FOCUS ON HEIGHT MODERNIZATION

Upcoming Height Modernization Events

National Ocean Service News Feature: Height Modernization Provides Safer Transportation.

NGS Height Modernization web page.
Project Proposals: Data and advice to help you plan your geodetic control surveys.
VDatum Utility: VDatum is a tool for the conversion of elevation data among 28 different vertical datums... more
State Population Centers: NGS encourages each state to set a commemorative geodetic control monument at the location of its population center as determined by the 2000 U.S. Census.
NOAA Shoreline Data Explorer provides access to the NGS Vector Shoreline Data Base... more
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]
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Date Last Updated: September 1, 2005