OBS-ID    hhc20011219_0850
OBS-STRT  2001-12-18T23:50:39Z  2001-12-19T08:50:39+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2001-12-19T04:25:54Z  2001-12-19T13:25:54+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2001-12-19T04:27:24Z  2001-12-19T13:27:24+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2001-12-19T04:28:11Z  2001-12-19T13:28:11+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2001-12-19T04:28:39Z  2001-12-19T13:28:39+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2001-12-19T06:39:08Z  2001-12-19T15:39:08+09:00  PERIOD   3  OBS-MODE  11  12