OBS-ID    hhc20020521_0836
OBS-STRT  2002-05-20T23:36:00Z  2002-05-21T08:36:00+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-05-21T05:24:56Z  2002-05-21T14:24:56+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-05-21T06:15:51Z  2002-05-21T15:15:51+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-05-21T08:19:19Z  2002-05-21T17:19:19+09:00  PERIOD   2  OBS-MODE  11  12