OBS-ID    hhc20010918_1000
OBS-STRT  2001-09-18T01:00:29Z  2001-09-18T10:00:29+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2001-09-18T01:03:17Z  2001-09-18T10:03:17+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2001-09-18T01:05:35Z  2001-09-18T10:05:35+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2001-09-18T07:52:37Z  2001-09-18T16:52:37+09:00  PERIOD   2  OBS-MODE  11  12