Decoding number stations

A while ago the ARRL published a article free online about number stations written by Allison McLellan. It gives some nice background info and I think most radioamateurs are interested in this kind of topics.

http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/November2019/McLellan.pdf

After some discussion on a dutch hamradio forum it became clear that PA5E Peter really build his hobby on this topic and it was the reason he obtained his hamradio license. He came up with a nice music clip he made with a friend. He's featuring in this clip as well, for you to figure out were....

http://priyom.org/