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        </observations>
      </control>
      <control date="Sun Mar 18 08:00:51 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="7091226"
                         time_creation="Fri Mar 16 00:56:57 2012"
                         time_modification="Sat Feb 18 00:08:50 2012" />
        <observations epoch_first="Fri Feb 17 23:00:00 2012"
                      epoch_last="Fri Feb 17 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31068"
                obs_have="30663"
                obs_ratio="98.70" />
          <mask elevation="10 degrees"
                obs_expected="29866"
                obs_have="29864"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="27840"
                obs_have="27840"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
