OBS-ID    hhc20060911_0837
OBS-STRT  2006-09-10T23:37:51Z  2006-09-11T08:37:51+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2006-09-10T23:49:56Z  2006-09-11T08:49:56+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2006-09-10T23:50:30Z  2006-09-11T08:50:30+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2006-09-11T00:44:27Z  2006-09-11T09:44:27+09:00  PERIOD   2  OBS-MODE  13  14  15