OBS-ID    hhc20070620_0858
OBS-STRT  2007-06-19T23:58:51Z  2007-06-20T08:58:51+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-06-20T00:14:33Z  2007-06-20T09:14:33+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-06-20T00:47:43Z  2007-06-20T09:47:43+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-06-20T07:48:59Z  2007-06-20T16:48:59+09:00  PERIOD   2  OBS-MODE  13  14  15