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                obs_ratio="97.46" />
          <mask elevation="10 degrees"
                obs_expected="31229"
                obs_have="31026"
                obs_ratio="99.35" />
          <mask elevation="15 degrees"
                obs_expected="27502"
                obs_have="27318"
                obs_ratio="99.33" />
        </observations>
      </control>
    </file>
  </station>
</QC>
