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Released March 8, 2004


STENNIS SPACE CENTER, Miss. -- A group of government, industry and academic experts from across North America will gather at The University of Southern Mississippi Gulf Coast in Long Beach, Miss., later this month to focus on Global Positioning Systems (GPS) technology in maritime applications.

Hosted by the Southern Miss Hydrographic Science Research Center based at Stennis Space Center, this workshop is scheduled for March 16-18 and is co-sponsored by the Office of Naval Research and the Naval Oceanographic Office.

"We will continue to focus on the themes of carrier phase GPS navigation for hydrographic surveys and seamless vertical datums," said Sunil Bisnath, a researcher with the Hydrographic Science Research Center. "Fundamental to all aspects of hydrography, or charting of the sea floor, is accurate 3-D positioning," Bisnath said.

"Seamless vertical datum" refers to continuity between various sea-based chart depths and land-based map heights.

One of the fastest emerging trends in hydrographic surveying is the use of the vertical component of what is generally known as Real Time Kinematic Global Positioning System (RTK GPS) to determine real time precise vessel location and water level corrections for more accurate charts. RTK GPS exists when measurements are supplied from a land base station of known location to a moving receiver.

Presenters at the workshop will include representatives from private industry, academia and government, including Southern Miss, the Naval Oceanographic Office, the National Oceanic and Atmospheric Administration, and the U. S. Army Corps of Engineers.

For more information about the GPS workshop, contact the Hydrographic Science Research Center at (228) 688-7096.


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April 20, 2004 4:09 PM