Last month we looked at Marconi and his pioneering work in the advancement of wireless communications. In the early days of radio, prior to government regulation, anyone with the knowledge could build ...

[Jim Matthews] submitted his Ham Radio foxhunt transmitter project for the 2025 One Hertz Challenge. This is a clever Spartan build. In order to create a radio beacon for use in a “fox hunt” [Jim] ...

(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 ...

What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...