OBS-ID    hhc20070623_0903
OBS-STRT  2007-06-23T00:03:21Z  2007-06-23T09:03:21+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-06-23T00:19:03Z  2007-06-23T09:19:03+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-06-23T00:26:23Z  2007-06-23T09:26:23+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-06-23T07:29:37Z  2007-06-23T16:29:37+09:00  PERIOD   2  OBS-MODE  13  14  15