This one is almost scary. There is an amazing number of machines crammed into that workshop. There is even more stuff in the drawers down below. Honestly, I sometimes thought that we radio homebrewers would be the worst offenders in this regard, but I see here that most of us are not even close. This guy wins!
At the en...

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WA4CHQ -- A Virginian QRPer and Homebrewer6 days

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Radio Receivers -- 1942 Training Film -- Crystal Sets to Superhets1 week

This 17 minute film provides a good but simplified description of the state of the art at the start of World War II.
-- The description of how a signal gets to the input coil of a receiver is quite good. Imagine if that coil had no good ground, and no counterpoise. We see the importance of the counterpoise in this video:

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The TW-100 "Fly Away Transceiver" --- A CW-SSB Rig I Never Heard of Until Today2 weeks

I was listening to the Old Military Radio Net this morning. Rhett KB4HG checked in on Upper Sideband. He was using a loaner TransWorld TW-100 "Fly Away" CW-SSB transceiver. I had never heard of this rig. It is very interesting. See the W7UUU YouTube video above for more details.
OM John W3JN called into the...

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