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                obs_ratio="47.37" />
          <mask elevation="10 degrees"
                obs_expected="28852"
                obs_have="14452"
                obs_ratio="50.09" />
          <mask elevation="15 degrees"
                obs_expected="26265"
                obs_have="11865"
                obs_ratio="45.17" />
        </observations>
      </control>
    </file>
  </station>
</QC>
