OBS-ID    hhc20020601_0924
OBS-STRT  2002-06-01T00:24:05Z  2002-06-01T09:24:05+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-06-01T04:16:22Z  2002-06-01T13:16:22+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-06-01T04:31:39Z  2002-06-01T13:31:39+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-06-01T05:26:58Z  2002-06-01T14:26:58+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-06-01T07:52:48Z  2002-06-01T16:52:48+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-06-01T08:15:22Z  2002-06-01T17:15:22+09:00  PERIOD   3  OBS-MODE  11  12