OBS-ID    hhc20070630_0910
OBS-STRT  2007-06-30T00:10:57Z  2007-06-30T09:10:57+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-06-30T00:26:40Z  2007-06-30T09:26:40+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-06-30T00:44:35Z  2007-06-30T09:44:35+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-06-30T01:09:41Z  2007-06-30T10:09:41+09:00  PERIOD   2  OBS-MODE  13  14  15