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 ...

As several readers have noted in their emails to Radio World, Microwave Power Products' pending shutdown of the former Econco facility is a big deal.

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 ...

If you’re running an older tube transmitter, you might have had the thought: Should you continue buying tubes or would you be better off with a new transmitter? It’s a question that still faces many ...

[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 ...