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               level="3">
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                         size="529749"
                         time_creation="Wed Mar 29 02:15:35 2017"
                         time_modification="Wed Mar 29 00:07:02 2017" />
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                      epochs_ratio="100.00">
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          <mask elevation="15 degrees"
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                obs_have="937"
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  </station>
</QC>
