OBS-ID    hhc20070617_0907
OBS-STRT  2007-06-17T00:07:34Z  2007-06-17T09:07:34+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-06-17T00:23:16Z  2007-06-17T09:23:16+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-06-17T00:46:58Z  2007-06-17T09:46:58+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-06-17T07:48:00Z  2007-06-17T16:48:00+09:00  PERIOD   2  OBS-MODE  13  14  15