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        </observations>
      </control>
      <control date="Thu Jan 14 04:11:49 2021"
               level="3">
        <file_statistics latency="00:08:32"
                         size="7089612"
                         time_creation="Mon Jan 11 01:53:28 2021"
                         time_modification="Tue Dec 15 23:08:31 2020" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
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          <mask elevation="10 degrees"
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  </station>
</QC>
