The Army R-108/GRC Recveiver

A nice Surplus Receiver from 20-28 MHz FM. I got it from a friend as broken part. The 24V vibrator and a thermal resistor (tube) was broken. I opens the vibrator and clean the contacts. After the change of the thermal resistor for the heading voltage, it works again.

This is a Part of radio sets AN/GRC-3, AN/VRC-16 & AN/VRC-20. It was use in the Vietnam War.

Frequency range:

20 .. 28 MHz

Modes: FM
Mass + weights: 178 x 229 x 305 mm, 11.35 kg

IMG_3773
Now I search the connectors and a speaker.

Here you can see a video with a test:

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