Navigation
The exact location of the ship is vitally important to our interpretation of geological data. A combination of GPS (Global Positioning Satellite, Differential GPS, and LORAN is used to insure accuracy.
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NavigationThe exact location of the ship is vitally important to our interpretation of geological data. A combination of GPS (Global Positioning Satellite, Differential GPS, and LORAN is used to insure accuracy.
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http://walrus.wr.usgs.gov/equip/nav.html
maintained by Laura Zink Torresan
last modified 17 November 2004 (lzt)
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Department of the Interior U.S. Geological Survey Geologic Division Coastal & Marine Geology Program
Western Coastal & Marine Geology