I figure hey, we're all nerds! I have no doubt someone else here is into Ham radio. My dad gave me all of his ham gear, and I mean all of it. I'm working on my Technician license, and honestly the ...

A 50-watt transmitting tube with 4-pin brass base, ceramic insulator, shield around stem. Light, rectangular anode. Tipped, T-shaped envelope. Marked on base: "Radiotron / Model UV203 / [GE logo] 50 ...

A glass tube with copper heat sink on the bottom, side contact, and two 5" leads emerging from the top, one having ceramic tube insulators, ring terminals. Liquid-cooled transmitting tube. Stamped on ...