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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 174-174

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From page 174...
... Orbits are processed at the {GS central bureau at NASA's Jet Propulsion Laboratory in Pasadena, California, and at other sites within the United States and around the globe. These orbits are typically available on the Tnternet within a few days after they have been processed.60 Private Sector DGPS Services There are a number of private sector enterprises that now offer differential GPS services to the public at various levels of accuracy and at a wide range of prices.
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Key Terms

  • dgps services
  • differential corrections
  • reference stations
  • global positioning
  • differential gps

  • positioning accuracy
  • gps services


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