[Milsurplus] BC-342 Modification Question

WA5CAB at cs.com WA5CAB at cs.com
Thu Jan 28 01:32:15 EST 2016


Could also be a PP-1499/G, which would have been an RA-20-C had not the 
nomenclature system change been incorrectly applied.

In a message dated 01/27/2016 19:49:56 PM Central Standard Time, 
bstrang at iac.net writes: 
> It is an RA-20-A or B. Used in the MRC-2 which had two modified BC-342 
> sets for dual diversity. Second tube is an OA-2 VR tube for regulated 150 
> volts to HF 
> osc, mixer screen, and CW osc. Second cap is a spare but kept forming 
> voltage on it to be ready for use.
> 
> Bill W8FIX
> 
> 
> ------- Original Message -------
> From : Joe Connor via Milsurplus[mailto:milsurplus at mailman.qth.net]
> Sent : 1/27/2016 8:27:29 PM
> To : milsurplus at qth.net
> Cc : 
> Subject : RE: [Milsurplus] BC-342 Modification Question
> 
> I just saw a BC-342 on ebay that has a curious modification to the power 
> supply (two tubes and two caps). Does anyone know what it is? I'm curious 
> because I 
> saw a BC-342 a few weeks ago with exactly the same modification and 
> assumed it was some ham modification, but I now think I may be wrong.
> Thanks. 
> Joe Connor
> http://www.ebay.com/itm/Army-U-S-Military-Radio-HF-Receiver-WW-II-Signal-Co
> rps-BC-342-N-Collectible-/291669996754?
> hash=item43e8e2f4d2:g:n5AAAOSwpRRWpiOl
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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