History

Time	Change
2019-03-17 07:43:12+00:00	Created
2019-03-17 07:43:12+00:00	Associated with 無線報時
2019-11-12 02:16:22+00:00	Associated with 無線報時信号
2021-06-02 04:11:12+00:00	Associated with 電波報時