Many thanks to SWLing Post contributor Dennis Dura, who shares this article from Hackaday that explores the fascinating “last gasp” innovations of vacuum tube technology long after transistors had already begun taking over the electronics industry. The article dives into late-era tube developments like compactrons, lighthouse tubes, and RCA’s remarkable nuvistor—tiny, rugged, low-noise tubes that […]

As always, there are lots of links within the article. Click one! Click them all! Learn all the things! by Vince (VE6LK) Over the years, I’ve learned to carry less when doing portable operations. It was only three and one-half years ago that Malen VE6VID said to me, “You are carrying too much gear,” when … Continue reading A snowbrush is essential POTA gear →