Cleaned and augmented QSO information from CQ WW contest files from 2007 to 2014

Thanks to W7EJ, I have been able to extend the historical database of cleaned and augmented CQ WW data back one further year, to 2007. As far as I can tell, there is no source anywhere for CQ WW logs prior to 2007.

The new cleaned data are in a single compressed (xz) file downloadable from:

The MD5 checksum of this file is:

Similarly, the augmented data are downloadable from:

The MD5 checksum of this file is:

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