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          <mask elevation="15 degrees"
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      </control>
      <control date="Sat Oct  8 06:15:24 2011"
               level="3">
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                         size="7598746"
                         time_creation="Sat Oct  8 01:02:43 2011"
                         time_modification="Fri Sep  9 00:28:13 2011" />
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                      epochs_ratio="100.00">
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</QC>
