Software Defined Radio (SDR) is the big thing these days, and why not? A single computer can get rid of a room full of boat anchors, and give you better signal discrimination than all but the best kit ...

Click to open image viewer. This is a Collins oscillator radio tube made by the Arthur A. Collins of the Collins Radio Company and based on a design developed by the American rocket pioneer Dr. Robert ...

With each passing year, more old radios succumb to “passive” death. The tubes may still be working, but paper capacitors dry out and crack open. Electrolytics gum up and short. Carbon resistors and ...

Like most of us during what advertisers like to call “this difficult time,” I was compelled to spend a fair amount of it “working” from home. Truth be told, I hadn’t worked so hard in years. My wife ...

[Mr. Carlson] has an old-style 1940-era radio tube tester, the kind that used to inhabit grocery and drug stores. It is in amazing condition and he was kind enough to tear it down for us. The tester ...