Practical Traceability to UTC(k) from a GNSS Timing Receiver

Piriz, R.; Roldan, P.; Domingo, Francisco; Garbin, Esteban; Defraigne, Pascale; Díaz, Javier

doi:10.1109/ispcs.2018.8543075

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2022

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“…Other network-based time transfer protocols (e.g. PTP and White Rabbit [24]) exist but are less prevalent than NTP. Specific suggestions for NTP case are given in section 4.4.…”

Section: Differentiation Between Types Of Usementioning

confidence: 99%

Achieving traceability to UTC through GNSS measurements

et al. 2022

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Coordinated Universal Time (UTC) is the international reference for time and frequency measurement, and the basis of civil timekeeping world-wide. The reception of signals from Global Navigation Satellite Systems (GNSS) as a source of time and frequency (synchronization and syntonization) has found widespread use in virtually all user sectors, including electrical power supply, telecommunications, and financial institutions. This paper summarizes the concept of metrological traceability and the practices employed in the time and frequency metrology community for achieving it. Practical steps are proposed to ensure that traceability to UTC from GNSS signal reception is available to a wide community of users, addressing different levels of required uncertainty in time and frequency offset from UTC. We suggest some practical measures that can be followed by users, and improvements to the services provided by National Metrology Institutes (NMIs).

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“…Other network-based time transfer protocols (e.g. PTP and White Rabbit [24]) exist but are less prevalent than NTP. Specific suggestions for NTP case are given in section 4.4.…”

Section: Differentiation Between Types Of Usementioning

confidence: 99%