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                      epoch_last="Tue Sep 21 23:59:59 2010"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37893"
                obs_have="35842"
                obs_ratio="94.59" />
          <mask elevation="10 degrees"
                obs_expected="32132"
                obs_have="31837"
                obs_ratio="99.08" />
          <mask elevation="15 degrees"
                obs_expected="27074"
                obs_have="27074"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
