HRWB 256 - Tube Gear with Grayson Evans KJ7UM

Ham Radio Workbench Podcast by HamRadio Workbench

Feb 10, 202602:36:07Technology

In this episode, Grayson Evans, KJ7UM, joins us again to talk about designing and building ham radio gear with tubes, or as he refers to them: thermatrons. Grayson is the author of Hollow-State Design, a book all about t...

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