[GreenKeys] RCA cv-57 /URR for sale

[Nick England]

For anyone interested-
CV-57 is 455kHz IF input. A pair of them are used in the AN/URA-6 diversity
FSK converter.
Manual at
https://www.navy-radio.com/manuals/ura6-ura7-cv57-91355-5008.pdf


Nick England K4NYW
Chapel Hill NC
www.navy-radio.com

On Mon, Aug 3, 2026 at 7:03 PM rolexa--- via GreenKeys <
greenkeys at mailman.qth.net> wrote:

> Not mine, but saw this and thought I'd share.  A new one to me...
>
> https://www.facebook.com/marketplace/item/858311373659398/
>
> ron
>
> KA3JIJ
>
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