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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 161-161

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From page 161...
... Even a small amount of inaccuracy, however, combined with the fact that the estimated orbital positions, or ephemeris, of each satellite are also not exact, can cause a certain amount of error in a receiver's position solution. Multipath Errors Multipath errors occur when incoming GPS signals bounce off a reflective surface such as a building or a body of water before reaching a user's receiver.
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Key Terms

  • multipath error
  • monitor station
  • ephemeris error
  • gps receivers
  • gps signal

  • multipath errors
  • typical receiver
  • gps receiver
  • gps signals
  • gps satellite

  • atomic clocks
  • short period
  • satellite range


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