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      <control date="Mon Jun 17 06:06:20 2019"
               level="3">
        <file_statistics latency="00:11:02"
                         size="7417649"
                         time_creation="Fri Jun 14 01:56:36 2019"
                         time_modification="Sun May 19 00:11:01 2019" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36490"
                obs_have="31844"
                obs_ratio="87.27" />
          <mask elevation="10 degrees"
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                obs_have="31835"
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          <mask elevation="15 degrees"
                obs_expected="27347"
                obs_have="27347"
                obs_ratio="100.00" />
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  </station>
</QC>
