Billy’s Crystal Radio

07/12/2025

Setting up an umbrella crystal radio in a hotel room in Tokyo.

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25/11/2025

24/11/2025

Testing big loop crystal radio in the wild 

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04/11/2025

Circuit Design for the Big Loop AM SW FM Crystal Radio with Regen Options

Circuit Diagram - https://billycdiy.blogspot.com/2025/11/big-loop-am-sw-fm-crystal-radio-with.htmlTo learn more about FM crystal radios, watch this one.https...

02/11/2025

Assembling the big loop crystal radio

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01/11/2025

3D printed chassis for the big loop crystal radio

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28/10/2025

Secrets about FM Crystal Radios

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26/10/2025

testing tree and ring type big loop coil for crystal radios

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19/10/2025

Tree type 3D printed connectors to make a 1 meter Wide frame For big loop Coil for Crystal radios

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14/10/2025

https://www.facebook.com/share/1CGcg2kmCE/?mibextid=wwXIfr

3D print model to be used with 20mm PVC pipes to assemble a ring type Frame for the a 1 meter big loop coil for Crystal Radios. The whole set up can hang ...

12/10/2025

3D printed connectors to make a 1 meter Wide frame For big loop Coil for Crystal radios

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07/10/2025

Fitting test of my 3D printed big loop coil frame for crystal radios.

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