Research Article

The New Generation System of Japan Standard Time at NICT

Table 3

Check points of the new system.

Health checkCs clocks
H-masers
AOGs
Data logger for monitoring temperature and humidity
Oscilloscopes for monitoring of UTC(NICT) signals

Status of Regular measurements and CalculationsDMTD measurements
TI counter measurements
Temperature & humidity
TA(NICT) calculation
AOG adjusting

Quality of signalsFigures of 5 MHz & 1 PPS of UTC(NICT)
Phase jump of each clock
Frequency instability of each clock
cycle slip of each clock