[MRCA] Mystery Radio

Al Klase ark at ar88.net
Sun Nov 30 12:58:45 EST 2025


There is a crystal socket to the side.  There are also snap fasteners on 
the cover for the battery connection.



I'm thanking it might have been some sort of test rig.  Say, to be 
carried out on the flight line to adjust some avionic thing.

AL

On 11/29/2025 8:50 PM, ac2eu at yahoo.com wrote:
> I don't see any XTALs and the selector switch has torroids
> The 3B4 tube was first introduced in 1948 according to the release 
> notice, so it was post WWII.
>
> The more I look at it, the less it looks like a radio. maybe a metal 
> detector chassis?
> On Saturday, November 29, 2025 at 03:28:43 PM EST, Al Klase 
> <ark at ar88.net> wrote:
>
>
>
>
>
>
> Larger tube is a 3B4 (Gone to air)
>
> What is this?
> AL
> -- 
> ARK Sig Block Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/ <http://www.skywaves.ar88.net/>
>
>
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-- 
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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