Table of Contents - G.8272 (07/2025) - Timing characteristics of primary reference time clocks

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Time error, wander and jitter in locked mode
	6.1	Time error in locked mode
	6.2	Wander in locked mode
	6.3	Jitter
7	Holdover
8	Phase discontinuity
9	Interfaces
	9.1	Phase and time interfaces
	9.2	Frequency interfaces
Appendix I – Measuring the performance of a PRTC or a PRTC combined with T-GM
	I.1	Factors influencing the performance of a GNSS-based PRTC
	I.2	Phase wander measurement
	I.3	Time error measurements
Appendix II – PRTC functional model
Appendix III – Information exchanged over the time interface
Appendix IV – PRTC locations
Bibliography