MINOS Timing and GPS Precise Point Positioning

Abstract

Time between Near and Far changes by less than 1 ns for each 300s point in the PPP solution (1-sigma: 0.248 ns) A Cs atomic clock has 2-sigma instability around 100 ps at 300 s Two separate GPS traveling systems had calibrations only 450 ps apart Multi-day PPP solutions minimize day-boundary discontinuities Relative timing accuracy better than 1 ns* If the calibration works!

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2012
Accession Number
ADA638300

Entities

People

  • Stephen Mitchell

Organizations

  • United States Naval Observatory

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Ambiguity
  • Artificial Satellites
  • Atomic Clocks
  • Boundaries
  • Calibration
  • Clocks
  • Detectors
  • Earth Tides
  • Errors
  • Measurement
  • Numbers
  • Phase
  • Phase Measurement
  • Rubidium
  • Standards

Fields of Study

  • Physics

Readers

  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Space