DIY: Cardboard Tube Radio Kit

From Retro Thing:

Matias E. writes, "I found an item from Germany which I think might be of interest. It's a battery driven shortwave tube radio kit which can be assembled in just a couple of hours. I have built one and it works surprisingly well, even with an antenna of just 5 meters length (usually not really enough), I was able to receive broadcasts [in Finland - Ed.] from as far as China, India and the Middle East in good quality.

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