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      <control date="Tue May  1 21:26:08 2012"
               level="3">
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                         size="8719436"
                         time_creation="Tue May  1 00:25:03 2012"
                         time_modification="Tue May  1 00:08:52 2012" />
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          <mask elevation="15 degrees"
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  </station>
</QC>
