OBS-ID    hhc20020503_0823
OBS-STRT  2002-05-02T23:23:40Z  2002-05-03T08:23:40+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-05-02T23:28:21Z  2002-05-03T08:28:21+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-05-02T23:31:26Z  2002-05-03T08:31:26+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-05-03T06:33:43Z  2002-05-03T15:33:43+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-05-03T06:33:59Z  2002-05-03T15:33:59+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-05-03T07:46:29Z  2002-05-03T16:46:29+09:00  PERIOD   3  OBS-MODE  11  12