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      </control>
      <control date="Sun Oct 27 04:56:31 2019"
               level="3">
        <file_statistics latency="00:21:20"
                         size="8349131"
                         time_creation="Thu Oct 24 01:53:22 2019"
                         time_modification="Sat Sep 28 00:21:19 2019" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
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                obs_have="28987"
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                obs_have="25052"
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</QC>
