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                      epochs="3583"
                      epochs_ratio="99.53">
          <mask elevation="03 degrees"
                obs_expected="28709"
                obs_have="27650"
                obs_ratio="96.31" />
          <mask elevation="10 degrees"
                obs_expected="27333"
                obs_have="27195"
                obs_ratio="99.50" />
          <mask elevation="15 degrees"
                obs_expected="25873"
                obs_have="25751"
                obs_ratio="99.53" />
        </observations>
      </control>
    </file>
  </station>
</QC>
