Written by Joseph Darlington, P.E. When building any radio system, the scarcest and most precious system component is not the radios, the antennas nor the towers, but available “clean” radio channels ...

A schoolboy built a homemade radio to receive news broadcasts in China. Footage shows the talented pupil adjusting the handmade device, which operates without the use of electricity, to capture a ...

Amateur Radio as a hobby has a long history of encouraging experimentation using whatever one might have on hand. When [Tom Essenpreis] wanted to use his 14 MHz antenna outside of its designed ...