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                obs_ratio="94.26" />
          <mask elevation="10 degrees"
                obs_expected="29180"
                obs_have="29063"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="27411"
                obs_have="27294"
                obs_ratio="99.57" />
        </observations>
      </control>
    </file>
  </station>
</QC>
