I got Soviet made germanium diode and modified the radio

I remodeled the radio using a germanium diode from the former Soviet Union.
I can hear it well.
Foxhole radio →    • Making a Foxhole radio  Very primitive  
It seems that kits are also sold. → amzn.to/2CLBpvM
Twitter: twitter.com/ichiken_make

★ Equipment used (including amazon associate link)
Soviet germanium diode
Oscilloscope amzn.to/2xV7u2h
Multimeter amzn.to/2LnLksJ
LCR meter

★ Playlist
Raspberry Pi youtube.com/playlist?list...
Electronic work youtube.com/playlist?list...
Electrical explanation youtube.com/playlist?list...

music: Kevin MacLeod, The Big Beat 80's.

■Business inquiries
denkiotaku@ichiken-engineering.com
twitter.com/ichiken_make