Crystal Radio Websites
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Dave's Homemade Crystal and Tube Radios at makearadio.com.
You have arrived! Over 100 crystal radio sets and tube receivers, and loop antenna projects and plans made by Dave Schmarder are available on makearadio.com. I encourage all to...
4,414,060 
$ 240.00
Science Toys
Make toys at home with common household materials, often in only a few minutes, that demonstrate fascinating scientific principles.
2,071,080 $ 720.00
The RadioBoard - Radio Contest for Homemade Radios
This is the official page of the Homemade RadioContest. This is a receiving contest for builders of radios. The aim of this contest is to promote competition among builders and...
1,869,160 $ 720.00