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      </control>
      <control date="Thu Jun 17 06:07:13 2021"
               level="3">
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                         size="6606189"
                         time_creation="Mon Jun 14 01:58:20 2021"
                         time_modification="Wed May 19 00:11:22 2021" />
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          <mask elevation="15 degrees"
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                obs_ratio="100.00" />
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  </station>
</QC>
