OBS-ID    hhc20070725_0921
OBS-STRT  2007-07-25T00:21:59Z  2007-07-25T09:21:59+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STOP  2007-07-25T00:34:19Z  2007-07-25T09:34:19+09:00  PERIOD   1  OBS-MODE  polcal
OBS-STRT  2007-07-25T00:41:28Z  2007-07-25T09:41:28+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STOP  2007-07-25T02:10:38Z  2007-07-25T11:10:38+09:00  PERIOD   2  OBS-MODE  13  14  15
OBS-STRT  2007-07-25T03:38:20Z  2007-07-25T12:38:20+09:00  PERIOD   3  OBS-MODE  13  14  15
OBS-STOP  2007-07-25T03:58:11Z  2007-07-25T12:58:11+09:00  PERIOD   3  OBS-MODE  13  14  15
OBS-STRT  2007-07-25T04:03:04Z  2007-07-25T13:03:04+09:00  PERIOD   4  OBS-MODE  polcal
OBS-STOP  2007-07-25T04:15:32Z  2007-07-25T13:15:32+09:00  PERIOD   4  OBS-MODE  polcal
OBS-STRT  2007-07-25T04:18:09Z  2007-07-25T13:18:09+09:00  PERIOD   5  OBS-MODE  13  14  15
OBS-STOP  2007-07-25T05:26:28Z  2007-07-25T14:26:28+09:00  PERIOD   5  OBS-MODE  13  14  15
OBS-STRT  2007-07-25T05:28:56Z  2007-07-25T14:28:56+09:00  PERIOD   6  OBS-MODE  13  14  15
OBS-STOP  2007-07-25T05:59:21Z  2007-07-25T14:59:21+09:00  PERIOD   6  OBS-MODE  13  14  15
OBS-STRT  2007-07-25T06:01:42Z  2007-07-25T15:01:42+09:00  PERIOD   7  OBS-MODE  13  14  15
OBS-STOP  2007-07-25T07:41:36Z  2007-07-25T16:41:36+09:00  PERIOD   7  OBS-MODE  13  14  15