SI Digital Framework
CLASSIFICATION OF SERVICES
Version: 1.0 Beta , last update: 2025-02-10
Metrology Area: Time and Frequency KCDB ↗
TTL file : TF.ttl
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TF/TSD Time scale difference

TF/TSD-1 Time scale difference
TF/TSD-1.1 Local clock
TF/TSD-1.1.1 Local clock vs. UTC(NMI)
TF/TSD-1.1.2 Local clock vs. UTC
TF/TSD-1.2 Remote clock
TF/TSD-1.2.1 Remote clock vs. UTC(NMI)
TF/TSD-1.2.2 Remote clock vs. UTC

TF/F Frequency

TF/F-2 Frequency
TF/F-2.1 Standard frequency source
TF/F-2.1.1 Local frequency standard
TF/F-2.1.2 Remote frequency standard
TF/F-2.2 General frequency source
TF/F-2.2.1 General frequency source
TF/F-2.3 Frequency meter
TF/F-2.3.1 Frequency counter
TF/F-2.3.2 Frequency meter

TF/TI Time interval

TF/TI-3 Time interval
TF/TI-3.1 Period source
TF/TI-3.1.1 Period source
TF/TI-3.2 Time interval source
TF/TI-3.2.1 Rise - fall time source
TF/TI-3.2.2 Pulse width source
TF/TI-3.2.3 Time difference source
TF/TI-3.2.4 Delay source
TF/TI-3.3 Period meter
TF/TI-3.3.1 Period meter
TF/TI-3.4 Time interval meter
TF/TI-3.4.1 Rise - fall time meter
TF/TI-3.4.2 Pulse width meter
TF/TI-3.4.3 Time difference meter
TF/TI-3.4.4 Delay meter