Further analysis shows that QSL routes are used mostly once, in the month of publishing. Very few hams looking for older data and the need of QSL Routes older than 4 years is negligible. Therefore, a huge database of QSL Routes with records older than a decade is an overkill. Growing number of LoTW confirmations and eQSL records results in a lowered importance of QSL Route info. Since Jan. 1, 2014, the database used in CQRlog is trimmed, all records older than January 2011 are removed.
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