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        <observations epoch_first="Mon Jan 31 23:00:00 2022"
                      epoch_last="Mon Jan 31 23:59:59 2022"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34348"
                obs_have="33296"
                obs_ratio="96.94" />
          <mask elevation="10 degrees"
                obs_expected="32549"
                obs_have="32078"
                obs_ratio="98.55" />
          <mask elevation="15 degrees"
                obs_expected="30833"
                obs_have="30833"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
