[Pete Juliano, N6QW] built a 20 M QRP CW transmitter using just a handful of parts. That in itself will not raise any eyebrows, until you find that he built it using one of the very first RF ...

(click thumbnail)A beautiful RCA BTA-1R is freed after years entombed behind some remodeling. The transmitter is now at the home of a Pennsylvania ham who plans to put it on 160 m shortwave. Ever ...

[Mikrowave1] wanted to build an authentic 1930s-style ham radio station that was portable. He’s already done a regenerative receiver, but now he’s starting on a tube transmitter that runs on batteries ...