OBS-ID    hhc20020524_0901
OBS-STRT  2002-05-24T00:01:45Z  2002-05-24T09:01:45+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-05-24T00:01:53Z  2002-05-24T09:01:53+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-05-24T00:06:12Z  2002-05-24T09:06:12+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-05-24T02:12:43Z  2002-05-24T11:12:43+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-05-24T02:21:04Z  2002-05-24T11:21:04+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-05-24T05:57:23Z  2002-05-24T14:57:23+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STRT  2002-05-24T07:42:28Z  2002-05-24T16:42:28+09:00  PERIOD   4  OBS-MODE  11  12
OBS-STOP  2002-05-24T07:42:32Z  2002-05-24T16:42:32+09:00  PERIOD   4  OBS-MODE  11  12