OBS-ID    hhc20020505_0813
OBS-STRT  2002-05-04T23:13:14Z  2002-05-05T08:13:14+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STOP  2002-05-04T23:13:19Z  2002-05-05T08:13:19+09:00  PERIOD   1  OBS-MODE  11  12
OBS-STRT  2002-05-04T23:19:05Z  2002-05-05T08:19:05+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STOP  2002-05-04T23:19:08Z  2002-05-05T08:19:08+09:00  PERIOD   2  OBS-MODE  11  12
OBS-STRT  2002-05-04T23:27:13Z  2002-05-05T08:27:13+09:00  PERIOD   3  OBS-MODE  11  12
OBS-STOP  2002-05-05T07:46:13Z  2002-05-05T16:46:13+09:00  PERIOD   3  OBS-MODE  11  12