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      <control date="Fri Oct 12 05:07:05 2012"
               level="3">
        <file_statistics latency="00:16:07"
                         size="4127671"
                         time_creation="Fri Oct 12 01:00:33 2012"
                         time_modification="Thu Sep 13 00:16:06 2012" />
        <observations epoch_first="Wed Sep 12 23:00:00 2012"
                      epoch_last="Wed Sep 12 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38066"
                obs_have="33768"
                obs_ratio="88.71" />
          <mask elevation="10 degrees"
                obs_expected="28491"
                obs_have="27428"
                obs_ratio="96.27" />
          <mask elevation="15 degrees"
                obs_expected="26125"
                obs_have="25902"
                obs_ratio="99.15" />
        </observations>
      </control>
    </file>
  </station>
</QC>
