Radio hobbyists rescue a retired broadcast transmitter to restore and retune for vintage storytelling on shortwave. More at amfone.net

The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able t The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able to interrogate this tube. I have...