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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 19-19

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From page 19...
... As the GPS satellite constellation expanded and was eventually completed in 1993, the use of the freely available SPS signal for civil applications also continuously expanded. GPS is now used for positioning, navigation, and timing applications in a number of civil and commercial activities related to aviation; maritime commerce and recreation; land transportation; mapping, surveying, and geodesy; scientific research; timing and telecommunications; and spacecraft.
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Key Terms

  • land transportation
  • user equipment
  • positioning technologies
  • currently configured
  • freely available

  • military applications
  • gps satellite
  • basic gps
  • positioning service
  • civilian users

  • federal radionavigation
  • sps signal


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