The link sent with my post says it was "Wireless Press Inc". Looking through the TM the data tags show same.

Bruce M0SOE

On 04/07/2026 22:16, Hubert Miller via Milsurplus wrote:

Sent from my Galaxy

Subject: Re: [Milsurplus] What is this receiver?

"BC976B, part of the SCR-551 rdf system.
http://www.shortwaveradio.ch/doku.php?id=en:scr-551b

Bruce M0SOE"

I wonder who built this equipment. The receiver part struck me as "Mackay looking", but that cannot be right. I have not seen this receiver in 60 years of observing.

-Hue Miller