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      <control date="Mon Jun 17 06:05:04 2019"
               level="3">
        <file_statistics latency="00:09:54"
                         size="7439687"
                         time_creation="Fri Jun 14 01:54:57 2019"
                         time_modification="Sun May 19 00:09:53 2019" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37023"
                obs_have="32098"
                obs_ratio="86.70" />
          <mask elevation="10 degrees"
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                obs_have="32069"
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          <mask elevation="15 degrees"
                obs_expected="28308"
                obs_have="28308"
                obs_ratio="100.00" />
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  </station>
</QC>
