Heathkit SB10 Single Sideband Adapter Demo phase modulated AM, LSB and USB great sound!
moviestudioland
0:00 / 0:00
Heathkit SB10 Single Sideband Adapter Demo phase modulated AM, LSB and USB great sound!
527 просмотров · 2 г. назад
moviestudioland
9,84 тыс. подписчиков