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The Global Positioning System A Shared National Asset (1995) / Chapter Skim
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Pages 57-57

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From page 57...
... Current and Future Applications and Requirements GPS is currently being tested or used for several spacecraft applications, including orbit determination, attitude determination, launch and reentry vehicle positioning and trajectory determination, and time synchronization. Precise time synchronization, which is required by many spacecraft, such as telecommunications satellites, to an accuracy of 100 nanoseconds was discussed in some detail in the previous section, but the remaining applications are discussed below.
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Key Terms

  • orbit determination
  • time synchronization
  • attitude determination
  • earth science
  • dynamic models

  • determination accuracy
  • ballistic missile
  • gps receiver
  • precise time


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