NOAA has been engaged with the Global Geodetic Observing System (GGOS) and submitted a report the week of December 9 to the GGOS Inter-Agency Committee on current geodetic activities and advancements. One of the primary goals of GGOS is to provide global spatial and temporal changes...
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Researchers in Hawaii are now receiving GPS-derived elevation data for anchialine pools (landlocked bodies of water tidally influenced through subterranean connections) along Hawaii's west coast. These data aid managers and researchers in determining how climate change...
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The National Geodetic Survey (NGS) contributed sessions, papers, and analyses at the
46th Annual American Geophysical Union (AGU) meeting in San Francisco from December 9 to13...
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On November 25, NOAA National Ocean Service (NOS) Assistant Administrator, Dr. Holly Bamford, signed a Memorandum of Understanding (MOU) between NOS and the Natural Resources Canada Earth Sciences Sector. The MOU establishes a framework for cooperation in joint earth sciences studies...
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On November 19,
the National Geodetic Survey (NGS) hosted a webinar on how to acquire accurate heights in western states. More than 250 participants from federal and local governments, universities, and private industry learned about NGS' National Height Modernization Program initiative to establish accurate, reliable elevations using...
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This week, a representative from the National Geodetic Survey (NGS) participated in an assembly of the International Comparison of Absolute Gravimeters at the Underground Laboratory for Geodynamics in Walferdange, Luxembourg...
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This week, the National Geodetic Survey (NGS) performed a geodetic survey of the peak of the Washington Monument. NGS fabricated an adapter to enable a GPS antenna and traditional survey instruments to be affixed to the peak for the project...
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National Geodetic Survey (NGS) employees volunteered their services in mid-October to assist the Surveyor Historical Society (SHS) with building a Bilby tower in Osgood, Indiana, the hometown of Jasper Bilby who invented the tower in 1927...
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National Geodetic Survey (NGS) researchers were recently awarded "Best Presentation in Session" at the Institutes of Navigation (ION) GNSS+ 2013 meeting. The talk presented the results of the "Kinematic GPS Processing Challenge," an effort comparing the work from 12 international collaborators...
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The National Geodetic Survey (NGS) recently participated in
Ocean Discovery Day 2013, with a demonstration on coastal lidar (light detection and ranging) mapping. The University of New Hampshire’s (UNH) School of Marine Science and Ocean Engineering hosted the event...
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This week, the National Geodetic Survey (NGS) began data collection in New Jersey inlets affected by Sandy with a state-of-the-art topographic bathymetric light detection and ranging (lidar) sensor...
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In the wake of the damage inflicted by Hurricane Sandy on the U.S. East Coast, the National Geodetic Survey (NGS) has received funding from Congress as a part of a broader effort to help affected residents and to reduce their future risks of inundation by storm surge...
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The National Geodetic Survey (NGS) participated in the Global Geodetic Observing System Inter-Agency Committee (GIAC) meeting and the International Association of Geodesy (IAG) conference in Potsdam, Germany, this week...
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The National Geodetic Survey (NGS) presented training to the general public covering the use of its Web-based Online Positioning User Service (OPUS Projects) for processing, adjusting, and analyzing Global Navigation Satellite System data for height modernization projects and other applications...
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On August 21, an Israeli geodesist with expertise in the gravity field visited the National Geodetic Survey (NGS) to speak about Israel's most recent work on their spatial reference system...
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National Geodetic Survey (NGS) teams continue to acquire geodetic foundational data for the VDatum (Vertical Datum Transformation) Program,
recovering tidal bench marks suitable for GPS observations to determine ellipsoidal- and orthometric-to-tidal
datum height relationships...
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Thanks to an initiative spearheaded by the National Geodetic Survey (NGS), the most widely used publicly available Light Detection and Ranging (LIDAR) file format now supports topographic-bathymetric LIDAR data...
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The National Geodetic Survey (NGS) has recently completed a vertical adjustment of 18 leveling projects on the Puerto Rico mainland, as well as adjustments of projects on the islands of Culebra, Mona, and Vieques...
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This week, the National Geodetic Survey (NGS) sent a representative as one member of a three-person U.S. delegation to attend the United Nations Committee on Global Geospatial Information Management at Cambridge University in England...
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After searching for several years to replace a
Calibration Base Line (CBL) in Colorado, in July, the Central Chapter of the Professional Land Surveyors of Colorado, the Colorado Department of Transportation, and the National Geodetic Survey (NGS) geodetic advisor established a new CBL near the Rocky Mountain Arsenal...
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NOAA's National Geodetic Survey (NGS) plays a critical role as a leader in the geospatial community through its efforts in improving both the quality and accessibility of the National Spatial Reference System. At the
2013 Esri International User Conference in San Diego...
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To improve the determination of heights for a multitude of applications, including floodplain mapping and risk management for coastal communities from tsunamis, hurricanes, and storm surges, the National Geodetic Survey's Gravity for the Redefinition of the American Vertical Datum (GRAV-D) program recently began collecting gravity survey data...
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As part of its ongoing investigation of new airborne remote sensing technologies for NOAA's Coastal Mapping Program and to support other Integrated Ocean and Coastal Mapping applications, the National Geodetic Survey is conducting a multi-wavelength Light Detection and Ranging (LIDAR) evaluation project...
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The National Geodetic Survey (NGS) recently participated in a three-day international workshop in Ottawa, Canada, to evaluate a positioning method called Precise Point Positioning (PPP). PPP allows Global Navigation Satellite Systems users to collect data anywhere in the world, without the need of nearby ground stations...
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On June 4, the National Geodetic Survey (NGS) participated in a joint Canada/U.S. partnership meeting at the U.S. Naval Observatory to discuss ways to detect and mitigate interference to Global Positioning System signal transmissions. For more information, contact
Neil Weston.
This week, the National Geodetic Survey (NGS) and international partners began a study at NGS' training center in Corbin, Virginia, to test methods of antenna calibration, a process for which NGS is an internationally recognized expert...
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On May 21-22, NGS represented the United States, playing an integral role at the International Earth Rotation and Reference System Service's (IERS) Workshop in France and sharing best practices to enhance future realizations of the International Terrestrial Reference Frame (ITRF)...
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A new map provided by the National Geodetic Survey (NGS) shows how GPS orthometric (heights above mean sea level) height accuracies vary across the United States and facilitates collaboration to improve height accuracies in the future. The map reveals data gaps in the current model...
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May 4-12 is National Travel and Tourism Week, and the theme for 2013 is the "travel effect"—the effect of travel on individuals, economies, and businesses. (
See the "travel effect" website.) In recognition of National Travel and Tourism Week, the National Geodetic Survey (NGS) would like to share a couple of ways we, as part of NOAA, contribute to and encourage travel and tourism...
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This week, Juliana Blackwell, Director of the National Geodetic Survey, and other National Geodetic Survey (NGS) representatives met with state and university partners in Frankfort, Kentucky, to discuss how to continue implementation of the National Height Modernization Program (NHMP)...
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Use of the Global Positioning System (GPS) for high-accuracy, real-time, and near real-time positioning activities requires accurate repeatable predictions of satellite vehicle position and sub-daily variations in Earth orientation. NGS develops software for determining such "ultra-rapid" GPS products...
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When the National Geodetic Survey (NGS) recently tested the capabilities of Google Maps Engine (GME) by processing a geospatial dataset and uploading the data to GME the following morning—in a process called "cloud computing"—it was the first time NOAA made a non-emergency response dataset available as a Geographic Information System (GIS) service in less than 24 hours...
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Imagery collected by the National Geodetic Survey (NGS) following Hurricane Sandy was featured in the Spring 2013 issue of
Aerial Mapping, a supplement to
Professional Surveyor Magazine...
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The National Geodetic Survey (NGS) provides the foundation for all Geographic Information System (GIS) applications via the National Spatial Reference System (NSRS), which is the foundation for all positions and locations within the United States. Traditionally, NGS has relied on a wide suite of programs and scripts developed using older programming languages...
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In 2007, National Geodetic Survey (NGS)
published a plan for the Gravity for the Redefinition of the American Vertical Datum (GRAV-D) Project. NGS is responsible for providing the foundational information for all federal mapping activities in the nation. The GRAV-D Project will allow surveyors and scientists to employ GPS to determine more precise and accurate elevations than are currently possible...
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NOAA's National Geodetic Survey (NGS) expedited new shoreline data to NOAA's Office of Coast Survey Marine Chart Division (MCD) to portray critical shoreline changes within the new edition of Chart 12222 (Chesapeake Bay, Cape Charles to Norfolk Harbor)...
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Recently, the National Geodetic Survey (NGS) released updated orthometric heights for Southern Louisiana relative to the September 2010 Global Navigation Satellite System (GNSS) Height Modernization project...
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Representatives from NOAA's National Geodetic Survey and the Office of Coast Survey traveled to Saudi Arabia on March 13 to participate in week-long collaborative meetings with the General Commission for Survey (GCS), a Saudi organization involved in surveying, mapping, geographical information, and hydrography...
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This week, a representative from the National Geodetic Survey will assist the Smithsonian Institution's Tropical Research Institute in Bocas del Toro, Panama, with the establishment of a new tide gauge to provide critical sea-level observations in support of the Smithsonian's Marine Global Earth Observatory...
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This month, a National Geodetic Survey (NGS) team collaborated with the National Aeronautics and Space Administration (NASA), the University of Texas-Austin, and the National Radio Astronomy Observatory to conduct a site survey near Fort Davis, Texas. The NGS field campaign, completed during the last week of February, ties together results...
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The NOAA Coastal Services Center and Office of Ocean and Coastal Resource Management, in partnership with the New Hampshire Coastal Program, the Great Bay National Estuarine Research Reserve, and the New Hampshire Sea Grant, hosted a series of roundtable discussions last week on coastal management...
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This week, the National Geodetic Survey (NGS) hosted the Chair and soon-to-be Chair of the U.S. Naval Academy's (USNA) Oceanography Department. NGS provided an overview of the agency's mission and current projects, as well as hosted a roundtable discussion of topics of interest to the USNA curriculum...
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As NGS approached the halfway point with our existing Ten-Year Plan (2008-2018), NGS leadership decided it was time to reevaluate priorities. Upon reviewing current business practices...
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The National Geodetic Survey (NGS) recently performed a research experiment to calibrate the GPS antenna on top of an aircraft used in the Gravity for the Redefinition of the American Vertical Datum (GRAV-D) Project. Antenna calibration for ground-based geodetic GPS antennas greatly reduces positioning errors...
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On Jan. 15, National Geodetic Survey Director, Juliana Blackwell, presented an annual update at the Transportation Research Board's (TRB) 92nd Annual Meeting in Washington, DC. A division of the National Research Council, the TRB conducts research...
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In December, a permanent airborne Light Detection and Ranging (LiDAR) test and evaluation site was installed at the National Geodetic Survey (NGS) Instrumentation & Methodologies Branch facility located in Corbin, Virginia. The site was created in collaboration with the National Geospatial-Intelligence Agency (NGA), and...
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In December, National Geodetic Survey staff and the Waquoit Bay National Estuarine Research Reserve (WB NERR) completed the first year of a study monitoring the stability of different types of wetland-based local geodetic control networks set in the deep wetland peats found at Cape Cod...
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