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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 17-18

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From page 17...
... positioning accuracy to users of the SPS, as defined in the Federal Radion~igation Plan. PPS receivers with the appropriate encryption keys can eliminate the effects of SA.
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From page 18...
... Many techniques and technical systems designed to improve the capabilities of the basic GPS have been proposed, are under development, or are already in operational use. These techniques range from the use of GPS in a differential mode, to software and hardware improvements for GPS user equipment, to the integration of GPS user equipment with other navigation/positioning systems.
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Key Terms

  • pps receiver
  • navigation message
  • user equipment
  • pps receivers
  • gps signal

  • precise time
  • basic gps
  • positioning accuracy
  • positioning service
  • radio signal

  • federal radionavigation
  • radionavigation plan
  • additional source


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