Permeability-tuned Crystal Radio

[vu2nan]

Here's an update.

It uses an empty lip salve stick as a tuning mechanism.

Read more.....

http://nandustips.blogspot.in/2015/04/permeability-tuned-crystal-radio.html

73,

Nandu.

 

[vu2nan]

Broken link rectified.

https://nandustips.blogspot.com/2015/04/permeability-tuned-crystal-radio.html

73,

Nandu.