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                obs_ratio="68.02" />
          <mask elevation="10 degrees"
                obs_expected="37069"
                obs_have="27171"
                obs_ratio="73.30" />
          <mask elevation="15 degrees"
                obs_expected="32603"
                obs_have="23828"
                obs_ratio="73.09" />
        </observations>
      </control>
    </file>
  </station>
</QC>
