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      </control>
      <control date="Sat Jul 20 03:38:06 2019"
               level="3">
        <file_statistics latency="01:12:47"
                         size="6328624"
                         time_creation="Wed Jul 17 01:53:44 2019"
                         time_modification="Fri Jun 21 01:09:24 2019" />
        <observations epoch_first="Thu Jun 20 23:00:00 2019"
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                      epochs_ratio="66.94">
          <mask elevation="03 degrees"
                obs_expected="28122"
                obs_have="19343"
                obs_ratio="68.78" />
          <mask elevation="10 degrees"
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          <mask elevation="15 degrees"
                obs_expected="22954"
                obs_have="16038"
                obs_ratio="69.87" />
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</QC>
