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 ...

Supply Side is a series of occasional articles about companies in the supplier marketplace. Steve Sanett is director of business development for Penta Laboratories in Newbury Park, Calif. Radio World: ...

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 ...