Westinghouse model RC radio receiver, consisting of coupled type RA receiving tuner and type DA detector-amplifier. Marked on tuner plate: "Westinghouse Receiving Tuner / Type RA / Wavelength: 180-700 ...

[QRP Gaijin] likes to build regenerative receivers. If you’ve ever built a serious one, you know there are (at least) two problems: One is you need a variable capacitor (hard to find these days). The ...