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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 [...]
Solar activity continued at moderate levels as Region 4493 produced an M3.6 flare on July 22, which was the largest event of the period and was associated with a 10.7-centimeter [...]
Kiyoshi “Kan” Mizoguchi, JA1BK, a well-known DXer, DXpeditioner, CQ DX Hall of Fame member, and former Director of International Amateur Radio Union (IARU) Region 3 passed away in May 2026 [...]
Solar activity has remained at low levels, with an occasionallow-level C-class flaring observed, including a C3.3/Sf flare on July15 from Region 4489. The largest event of the period, a long-durationC8.9 [...]
ARRL The National Association for Amateur Radio® announced the appointment of Tony Dowler, K6BV, of Pacifica, California, as the ARRL Santa Clara Valley (SCV) Section Manager as of July 1, [...]
Solar activity reached moderate levels with an M1.5/1N flare on July 8 from Region 4482.There are currently five numbered regions on the visible disk. Region 4482 demonstrated continued growth and [...]