[ARC5] [Milsurplus] Unknown Antenna

[Michael Hanz]

I too was thinking of the ZB-2 and ZB-3 homing receiver, but as KK5F 
observed, that seems to be closer to 1942.  The first _aircraft_ radio 
that I can recall having them was the prewar Western Electric WE-233 
sold to the commercial aircraft industry, and which was later picked up 
by the Navy and nomenclatured AN/ARC-4.  Bell Labs designed the set, and 
they in fact did a lot of general research in both radios and 
connectors, so it could have been their work.  A look at associated 
patents doesn't show anything that reflects the unique design prior to 
the start of the war.  The connector isn't mentioned in the Bell history 
tome _A History of Engineering and Science in the Bell System_, but that 
book essentially begins at the beginning of WW2.

73,
Mike  KC4TOS

On 5/13/2018 1:21 PM, Tim wrote:
> Speaking of "UHF" connectors, anyone know which was the first (US?) 
> equipment that used an SO-239 "UHF" type connector?
>
> Tim
> N6CC

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