OBS-ID    hhc20070612_0905
OBS-STRT  2007-06-12T00:05:24Z  2007-06-12T09:05:24+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-06-12T00:21:06Z  2007-06-12T09:21:06+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-06-12T00:32:48Z  2007-06-12T09:32:48+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-06-12T02:54:35Z  2007-06-12T11:54:35+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STRT  2007-06-12T02:58:28Z  2007-06-12T11:58:28+09:00  PERIOD   3  OBS-MODE  13  14  15
OBS-STOP  2007-06-12T03:26:43Z  2007-06-12T12:26:43+09:00  PERIOD   3  OBS-MODE  13  14  15
OBS-STRT  2007-06-12T03:32:13Z  2007-06-12T12:32:13+09:00  PERIOD   4  OBS-MODE  13  14  15
OBS-STOP  2007-06-12T03:58:21Z  2007-06-12T12:58:21+09:00  PERIOD   4  OBS-MODE  13  14  15
OBS-STRT  2007-06-12T03:59:35Z  2007-06-12T12:59:35+09:00  PERIOD   5  OBS-MODE  13  14  15
OBS-STOP  2007-06-12T08:02:43Z  2007-06-12T17:02:43+09:00  PERIOD   5  OBS-MODE  13  14  15