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pp 1-5 | Cite as

Practical Options for Time Tagging

  • Demetrios Matsakis
Chapter
Part of the International Association of Geodesy Symposia book series

Abstract

The international timekeeping community prepares several official timescales, and there exist a plethora of alternatives used by others, often with no official recognition. The advantages and disadvantage of several official timescales are presented; however, they are all interconvertible using information readily available on the internet. A discussion of traceability and the statistical errors is included; all of these scales are ultimately traceable to UTC. Many of the considerations are not relevant if the error tolerance is above a few tens of nanoseconds.

Keywords

GNSS GPS TAI Time-tagging Traceability UTC 

References

  1. A discussion of variations in the Earth’s rotation can be found in the “Science Background” tab of www.iers.org
  2. Jiang Z, Matsakis D, Zhang V (2017) Long-term instability in UTC time links. ION-PTTIGoogle Scholar
  3. Matsakis D, Levine J, Lombardi MA (2018) The metrological and legal traceability of time signals. ION-PTTI. https://tf.nist.gov/general/pdf/2941.pdf and http://tycho.usno.navy.mil/papers/ts-2018/Traceability-of-Time-Signals.pdf
  4. Matsakis D, Arias F, Bauch A, Davis J, Gotoh T, Hosokawa M, Piester D (2006) On the optimization of time transfer links for TAI. In: Proceedings of the European time and frequency forum. Braunschweig, GermanyGoogle Scholar
  5. Matsakis D, DeFraigne P, Banerjee P (2014) Review of precise time transfer. Radio Sci Bull (351):29–44Google Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Demetrios Matsakis
    • 1
  1. 1.Silver SpringUSA

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