OBS-ID    hhc20020331_1235
OBS-STRT  2002-03-31T03:35:18Z  2002-03-31T12:35:18+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-03-31T07:39:55Z  2002-03-31T16:39:55+09:00  PERIOD   1  OBS-MODE  11  12