[R-390] R390A Turns Counter BFO option?

[Lester Veenstra]

Used to get the four dots of the FRA-86 in the right place when copying 4
frequency M(ary)FSK
Could do the same thing with the regular BFO knob but this was easier due to
the larger diameter of the knob, and repeatable with the readout.

Lester B Veenstra  MØYCM K1YCM
lester at veenstras.com
m0ycm at veenstras.com
k1ycm at veenstras.com
 

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-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of federico at dottorbaldi.it
Sent: Sunday, March 13, 2011 10:26 AM
To: r-390 at mailman.qth.net
Subject: Re: [R-390] R390A Turns Counter BFO option?

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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