OBS-ID    hhc20070321_1323
OBS-STRT  2007-03-21T04:23:51Z  2007-03-21T13:23:51+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-03-21T04:34:09Z  2007-03-21T13:34:09+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-03-21T04:38:06Z  2007-03-21T13:38:06+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-03-21T05:28:58Z  2007-03-21T14:28:58+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STRT  2007-03-21T05:31:44Z  2007-03-21T14:31:44+09:00  PERIOD   3  OBS-MODE  13  14  15
OBS-STOP  2007-03-21T07:24:39Z  2007-03-21T16:24:39+09:00  PERIOD   3  OBS-MODE  13  14  15
COMMENT