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                      epoch_last="Fri Jan  1 23:59:59 2021"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40929"
                obs_have="39535"
                obs_ratio="96.59" />
          <mask elevation="10 degrees"
                obs_expected="34454"
                obs_have="34430"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="33201"
                obs_have="33196"
                obs_ratio="99.98" />
        </observations>
      </control>
    </file>
  </station>
</QC>
