OBS-ID    hhc20020130_0915
OBS-STRT  2002-01-30T00:15:15Z  2002-01-30T09:15:15+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-01-30T05:07:43Z  2002-01-30T14:07:43+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-01-30T06:17:58Z  2002-01-30T15:17:58+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-01-30T06:48:19Z  2002-01-30T15:48:19+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-01-30T06:48:42Z  2002-01-30T15:48:42+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-01-30T07:51:08Z  2002-01-30T16:51:08+09:00  PERIOD   3  OBS-MODE  11  12