When I was about 11 or 12 years old, I had developed a pretty intense interest in radios. Shortwave and Ham Radio were at the top, but pretty much any radio communications was just too cool to ignore.
I came across this site today that brought back some early memories of those interests. The site has most of the old Radio Shack catalogs from when I was growing up.
Anyway, probably the first electronic kit I ever built was the RadioShack P-Box Regenerative Receiver. I remember winding different coils to hook into the clip springs to make it tune all over the shortwave spectrum.
There were several others that I built, including the 1-tube receiver, which took a 22 volt battery.
Here is the original P-Box clipping, explaining how the system worked.
Pretty cool stuff…
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