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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 37-37

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From page 37...
... Because of this situation, the Coast Guard has stated that DGPS radiobeacons would still be required even in the absence of SA. Other integrity issues for maritime DGPS users result from the potential lack of accurate electronic nautical charts used in ECDTS's as was discussed above.
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Key Terms

  • nautical charts
  • differential corrections
  • coast guard
  • frequency interference
  • inertial navigation

  • control station
  • master control
  • additional source
  • additional cost
  • electronic nautical


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