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The Soldersmoke Direct Conversion Receiver was the first time I had ever built anything with a permeability tuned oscillator (PTO for short). I had never previously been that interested in [...]

Note – A number of folk have mentioned experiencing difficulty leaving comments underneath posts on this blog. Unfortunately, I don’t how to remedy that, or even whether I could. It’s [...]

With many of the projects described in this blog, the idea to build them had been in my head for a while (often years) before it was finally acted on. [...]

NOTE: In the following post, I’ll be referencing component designators according to the original schematic, which is in the SST manual, available here, on Ken WA4MNT and Karen KF4EEL’s QRPBuilder [...]

Well gosh. About a month ago, it was feeling as if every builder in the homebrew community had built the SolderSmoke Direct Conversion Receiver, apart from me. That’s a slight [...]

After finishing the two-transistor “Jingy 40” regen, I was looking for a little transmitter to use with it. I cycled through a few different designs, before deciding to “play it [...]

I’m not a collector of vintage headsets. 2 years ago, I purchased a high impedance Western Electric headset for listening to crystal sets. I also bought a set of “Baldies”. [...]

Back in 2010, I became interested in legal micropower broadcasting under the FCC Part 15 regulations, and assembled an SSTRAN AMT3000 kit transmitter for the AM broadcast band. I had [...]

Or “The One-Transistor Regen That Turned Into A Two-Transistor Regen” with thanks to G3XBM and N0WVA. (Note – if reading this post on a computer, you can click on any [...]

No new construction projects here, I’m afraid, and none planned for the foreseeable future, though I have made some exciting and worthy acquisitions. A couple of years ago, I was [...]
We are saddened to report this week on the passing of four well-known amateurs, including two members of the extended “ARRL family.” Longtime ARRL Rhode Island Section Manager Robert George “Bob” [...]
ARRL CEO David Minster, NA2AA, was a guest on episode 103 of The DX Mentor, which aired September 19, 2026. Hosted by Bill Salyers, AJ8B, with Joe Pater, W8GEX, the discussion [...]
It’s been a half century since single sideband (SSB) supplanted amplitude modulation (AM) as the most popular voice mode on HF, due largely to its spectrum efficiency, occupying roughly half [...]
ARRL The National Association for Amateur Radio® is following two new federal proceedings concerning radio frequency (RF) exposure. On September 17, 2026, the FCC and the U.S. Department of Health and Human [...]
Solar activity is likely to continue at low levels with isolated tooccasional C-class flare activity, along with a slight chance forR1-R2 (Minor-Moderate) M-class flare events, through September 25,according to NOAA’s [...]