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Dave Richards AA7EE

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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. This one was a little different. I had been aware of the NorCal 40A for a long time but, other than knowing it was a 40M QRP CW monobander, didn’t know much else about it. In my head, it had been filed under the category of “Mo...


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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


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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 exaggeration, but I’d had a nagging feeling in the back of my head for quite a long time that I really ought to build it at some point. I’m tempted to give an overview of the project here, but if you’re...


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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 safe” and build another GM3OXX OXO transmitter. Why not just use t...


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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”. Both of these were in good, though not pristine condition, so I felt OK with using them for everyday listening. Although I used the Western Electric set a lot more often, I became enamored with the Baldwin...


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