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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 60-60

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From page 60...
... Signal Visibility Satellites in orbit near or above the GPS constellation are only able to track GPS signals that pass beyond the limb of the Earth. On the current Block II/IlA satellites there is sufficient antenna beamwidth to allow orbit determination to be performed at geosynchronous altitudes using GPS and a significant amount of dynamic modeling.
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Key Terms

  • orbit determination
  • block iir
  • attitude determination
  • using gps
  • gps accuracy

  • ionospheric delay
  • gps signal
  • gps attitude
  • determination accuracy
  • gps signals

  • basic gps
  • spacecraft missions


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