[R-390] R-390A Serial number 2A ??

[Jim Whartenby]

We all have!
Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy 

    On Saturday, October 18, 2025 at 09:12:34 AM CDT, Bob Camp <kb8tq at n1k.org> wrote:   

 Hi

I would *think* that there would be multiple pieces built as part of a second article submission.
It would not be many, but likely more than one. 

I’ve been wrong before …..

Bob

> On Oct 18, 2025, at 9:58 AM, Jim Whartenby via R-390 <r-390 at mailman.qth.net> wrote:
> 
> Second Article (2A) required by the contract to prove the build can meet specifications?Jim
> Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy 
> 
>    On Saturday, October 18, 2025 at 06:51:19 AM CDT, Nick England via R-390 <r-390 at mailman.qth.net> wrote:  
> 
> Yes,
> 42428-PC-59
> looks like an original plate to me.
> 
> Nick England K4NYW
> Chapel Hill NC
> www.navy-radio.com
> 
> 
> On Fri, Oct 17, 2025 at 10:16 PM Jacques Fortin <jacques.f at videotron.ca>
> wrote:
> 
>> Hi Nick,
>> Apart the "2A" serial, does the ID tag bears the proper contract number
>> for a Stewart-Warner ??
>> 42428-PC-59 or 20139-PC-60-A1-51 ??
>> 
>> 73, Jacques, VE2JFE in Montreal
>> 
>> -----Message d'origine-----
>> De : r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> De la
>> part de Nick England via R-390
>> Envoyé : 17 octobre 2025 20:08
>> À : Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
>> Objet : [R-390] R-390A Serial number 2A ??
>> 
>> I got a photo of a Stewart-Warner R-390A ID tag with serial number “2A”.
>> Is this a test unit or ????
>> Has anyone seen something similar?
>> Thanks,
>> Nick England K4NYW
>> www.navy-radio.com
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