The nicest R-390A we have seen! [01/05] U319 Motorola R-390A $1349.95 SOLD Shortwave Receiver This is a classic Motorola R-390A receiver. It covers 0.5 to 32 MHz in 32 bands with 1 kHz readout. This radio has working S and AF Meters plus easy to turn kHz and MHz knobs. It ...
参考译文:柯林斯 R-390A 无线电接收机图片作者:English Wikipedia user LuckyLouie Around 1950, Collins began designing the R-390 (500 kHz — 30 MHz) for the US military. This was intended to be a receiver of the highest performance available, with the ruggedness and serviceability required ...