Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive… ...

By Jove, he built a radio! If you want to get started with radio astronomy, Jupiter is one of the easiest celestial objects to hear from Earth. [Vasily Ivanenko] wanted to listen, and decided to bu… ...

Stereo receiver (if you don’t have one at home, try the Sherwood RX-4109, which costs $100 at Radio Shack) 4-element FM Yagi antenna (for example, the Winegard HD-6000 Prostar FM antenna for $25 ...

This gorgeous old-style radio is actually a DIY kit, made from cardboard. The faux-wood case hides a hybrid of the modern and the ancient. The radio stage uses vacuum tubes to receive and produce ...