OBS-ID    hhc20020508_1315
OBS-STRT  2002-05-08T04:15:37Z  2002-05-08T13:15:37+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-05-08T05:22:19Z  2002-05-08T14:22:19+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-05-08T05:50:45Z  2002-05-08T14:50:45+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-05-08T06:21:15Z  2002-05-08T15:21:15+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-05-08T06:24:16Z  2002-05-08T15:24:16+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-05-08T08:05:10Z  2002-05-08T17:05:10+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STRT  2002-05-08T08:07:47Z  2002-05-08T17:07:47+09:00  PERIOD   4  OBS-MODE  11  12
OBS-STOP  2002-05-08T08:22:41Z  2002-05-08T17:22:41+09:00  PERIOD   4  OBS-MODE  11  12