[MRCA] Mystery Radio

[mstangelo at comcast.net]

What type of an antenna connection does it have?

Mike N2MS

> On 11/30/2025 12:58 PM EST Al Klase <ark at ar88.net> wrote:
> 
> 
> 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
> > -- 
> >  Al Klase - N3FRQ
> >  Jersey City, NJ
> >  http://www.skywaves.ar88.net/
> > 
> > 
> >  
> > 
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> 
> -- 
>  Al Klase - N3FRQ
>  Jersey City, NJ
>  http://www.skywaves.ar88.net/
> 
> 
>  
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