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      <control date="Mon Oct 14 04:11:49 2019"
               level="3">
        <file_statistics latency="00:08:49"
                         size="6985152"
                         time_creation="Fri Oct 11 01:53:24 2019"
                         time_modification="Sun Sep 15 00:08:48 2019" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36153"
                obs_have="32233"
                obs_ratio="89.16" />
          <mask elevation="10 degrees"
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          <mask elevation="15 degrees"
                obs_expected="28204"
                obs_have="28204"
                obs_ratio="100.00" />
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  </station>
</QC>
