For an otherwise highly informative lecture on building toroidal un-un step up transformers I have a critque of Mr. Latta’s recommended wire tinning method. So let me talk about soldering electronics

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The AWA YouTube Channel has two new releases. The Mysteries of the Pi Network Explained: AWA member Greg Latta's crystal clear, formula free, intuitive explanation of the venerable Pi network. https:/

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In March 1927, a company named the Emerson Radval Corporation of New York had what seemed like a great idea, putting three triodes in one tube. A tube with three sections could serve as a detector, os

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Sure. My ears ain’t that accurate. I remember turning on the car radio, and there was no real single pole source. We drove for about 5 miles, and as long as we were near the power lines, there was thi

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The problem with lamp socket radios is you had to listen to the radio in the dark. Yuck, yuck... Arden

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Arden & Bart, Thanks for your feedback on this. Mark

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The Skandia Super 20A Receiver was sold in Sweden from 1940 to 1942, but Scandia was a retailer, not a manufacturer, so who made this radio? During the restoration of his Scandia Super 20, Robert Lozi

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Good find Jon. I wonder if the WFLN broadcast ( and the original talk by Sarnoff ) just played selections from these recordings. Thanks.

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The electrification of rural areas came slowly, but farmers wanted the benefits of electricity, and General Motors had a plan, the 32 volt direct current Delco-Light Plant, first offered in 1916. Thes

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In this AWA Classic video, AWA founder Bruce Kelley, W2ICE, explores the history and technology of early amateur radio in the days when spark transmitters and Alexanderson alternators were cutting edg

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Everything checks out, but this well made Lawrence M. Cockaday designed 1 tube receiver's performance was worse than a crystal set. It's not an obvious problem, and Robert Lozier speculates as to what

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Like some of my first SWL’ing. Not many lightning crashes. Must have been in the dead of Winter. Arden

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A great restoration by a Master Craftsman! And a nice video report thereof! Thanks, Mark. Bart ## --

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Follow up: this led me to seeing whether I could find the guy, Ted, who had administered my novice test, 50 years ago. I looked him up, and he and his wife are still at the same address. He is 93 now!

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Great story. Does anyone know more about the VOA station in Dixon? I was contacted by a gentleman who was the son-in-law of an engineer who worked there for close to 40 years. His name was Ken Amass.

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The obvious 64 cent question is, what comes first, the technology (brainy stuff) or the market (customers)? I expect Virgin Galactic will go down in history alongside ECME. Arden

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