“For every month of preparation time that you did not have before recording an event add three months of work afterwards”. That might be a rule of thumb. Well, we had five days after spontaneously deciding to stand in and record SIGINT 2009. Due to the short preparation and setup time audio distortions occurred. If it would only have been for the notorious 50Hz/60Hz hum. Fortunately we were able to restore anything. Unfortunately this had to be done by hand.

But now the recordings have finally materialized! While most of the lectures were held in German there is also some english material …