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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 30-30

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From page 30...
... The space-based WAAS, however, broadcasts its differential corrections as part of the navigation message data carried by a GPS-like L~ signal. SA has a negative effect on this signal format; the high correction data rate necessary to keep up with the SA dither rate constrains the flex~bilibr of providing additional information on this navigation message.
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Key Terms

  • navigation message
  • sps receiver
  • pps users
  • data rate
  • ionospheric delay

  • differential corrections
  • sps users
  • frequency interference
  • pseudorange measurements
  • positioning accuracy

  • ionospheric correction
  • mitre corporation


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