OBS-ID    hhc20011225_1156
OBS-STRT  2001-12-25T02:56:28Z  2001-12-25T11:56:28+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2001-12-25T03:45:37Z  2001-12-25T12:45:37+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2001-12-25T03:50:01Z  2001-12-25T12:50:01+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2001-12-25T03:50:03Z  2001-12-25T12:50:03+09:00  PERIOD   2  OBS-MODE  11  12