[R-390] R390A Turns Counter BFO option?

[federico at dottorbaldi.it]

Hi,
    as far as I know (but I can be wrong) the multiturn handle with  
counter was employed on some R-390A receivers in NSA so their  
specialist in foreing languages can match at best the foreing idiomas.  
I have a couple of this multiturn knobs in my collection of spare  
parts. 73 de Federico IZ1FID

www.dottorbaldi.it/militaryradio

Citando MillerKE6F at aol.com:

> Howdy!
>
> I've had an R390A  receiver for some years that has a big bug eyed  turns
> counter on the BFO.  There is also the remains of some NSA or other  paper
> tag on the back.  Otherwise the unit looks pretty normal as R390As    
> go.  Works
> well
>
>     Bob, KE6F
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