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                         time_modification="Fri Jun 18 00:19:47 2010" />
        <observations epoch_first="Thu Jun 17 23:00:00 2010"
                      epoch_last="Thu Jun 17 23:59:59 2010"
                      epochs="3576"
                      epochs_ratio="99.33">
          <mask elevation="03 degrees"
                obs_expected="39186"
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                obs_ratio="84.54" />
          <mask elevation="10 degrees"
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          <mask elevation="15 degrees"
                obs_expected="29737"
                obs_have="28770"
                obs_ratio="96.75" />
        </observations>
      </control>
    </file>
  </station>
</QC>
