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    Collins R-392 Receiver tunning issues.

    I’m new here so if this is not the area I need to be please feel free to point me in the right direction. I have had my Collins 392 receiver for about 13 years. My uncle gave it to me when I was a kid and he has since passed... along with his knowledge. I have the field manual and the...
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    Collins R-390A/URR help?

    I just bought an old Collins R-390A/URR for my grandfather. He was a high speed decoder for the Army Security Agency during the Vietnam conflict era. I think he is going to cry when he sees it, but I need to make sure it works before I give it to him. There are 3 antenna inputs on the back...