OBS-ID    hhc20030502_0845
OBS-STRT  2003-05-01T23:45:17Z  2003-05-02T08:45:17+09:00  PERIOD   1  OBS-MODE  11  12  13  14  15
OBS-STOP  2003-05-02T01:42:58Z  2003-05-02T10:42:58+09:00  PERIOD   1  OBS-MODE  11  12  13  14  15
OBS-STRT  2003-05-02T01:44:06Z  2003-05-02T10:44:06+09:00  PERIOD   2  OBS-MODE  11  12  13  14  15
OBS-STOP  2003-05-02T05:53:43Z  2003-05-02T14:53:43+09:00  PERIOD   2  OBS-MODE  11  12  13  14  15
OBS-STRT  2003-05-02T05:56:56Z  2003-05-02T14:56:56+09:00  PERIOD   3  OBS-MODE  11  12  13  14  15
OBS-STOP  2003-05-02T08:04:48Z  2003-05-02T17:04:48+09:00  PERIOD   3  OBS-MODE  11  12  13  14  15