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He describes the R390 as capable of picking up a variety of signals and notes its condition and functionality. The receiver is hooked up to a speaker mounted on top, along with a separate amplifier—itself described as a "junk" piece, but still functional for listening purposes.
Additional Equipment and Setup
Beside the R390, the enthusiast has a few other vintage receivers, including a Navy receiver and a McKay receiver, though the latter wasn't performing as well in terms of signal reception. He also mentions a cinematic antenna, likely used for microwave or long-distance communications, which enhances his monitoring capabilities.