14MHz Chinese antenna for 150 rubles Belka receiver 14МГц в МКД Китайская антенна за 150р и Белка

Видео 14MHz Chinese antenna for 150 rubles Belka receiver 14МГц в МКД Китайская антенна за 150р и Белка

73 de R3T-100. Heres an example of a magnetic antenna with a ferrite core made in China magnetic permeability is presumably around 400 operating in the 14 MHz range. Even if the core actually has a permeability of 400 the cutoff frequency..., видео от 2026-08-24 загрузил на rutube R3T-100 ex UA3123SWL...