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      </control>
      <control date="Fri Jul  6 07:44:17 2012"
               level="3">
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                         size="4470461"
                         time_creation="Wed Jul  4 01:01:53 2012"
                         time_modification="Thu Jun  7 00:23:33 2012" />
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                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
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                obs_have="33704"
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                obs_have="29666"
                obs_ratio="100.00" />
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  </station>
</QC>
