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測量模式：經過時間、中途時間、第一名與第二名時間差
Hourly Time Signal
Station name: JJY (Fukushima
Accuracy: ±15 seconds per month (with no signal calibration)
Accuracy: ±30 seconds per month
Casio Digital AE-1300WH-2AV Digital 10-Yr Battery Resin 測量模式：經過時間、中途時間、第一名與第二名時間差100M Water Resistant LED light with Afterglow World Time 29 times zones (48 cities), city code display, daylight saving on off Daily Alarm Hourly Time Signal Referee Timers 9 preset start timers: 10, 12, 15, 20, 25, 30, 35, 40, 45 minutes Measuring unit: 1 second Timer modes: Elapsed time, auto repeat *Measurement of elapsed time for up to 60 minutes after the countdown reaches zero 9 interval timers Measuring unit: 1 second Input range: 5955" (5
