[Milsurplus] R-1051A/URR; R-1051C/URR

Francesco Ledda frledda at att.net
Mon Sep 26 09:58:22 EDT 2022


The 1051C is covered by T.O. 31R2-2URR-221

There is a wiring difference between the standard B version. A B six-pack will not work on a C, without an additional power wire. Don’t remember which and currently have no access to my written notes. Apparently, the USAF modified its plain 1051s to the C standard (T.O. 31R2-2URR-221C).

That is all I know. I wish to know more about its operational application.   Before getting hold of these Cs, I did not know about the USAF being a user of the 1051.

Best, Francesco K5URG

Sent from my iPad

> On Sep 26, 2022, at 01:02, Robert Downs via Milsurplus <milsurplus at mailman.qth.net> wrote:
> 
> OK, that explains the R-1051C.  Do you happen to know what the differences are between it and the B or D, aside from the panel color?
>  
> Robert Downs
>  
> From: Francesco Ledda [mailto:frledda at att.net] 
> Sent: Sunday, September 25, 2022 19:45
> To: Robert Downs
> Cc: milsurplus at mailman.qth.net; mrcg at mailman.qth.net
> Subject: Re: [Milsurplus] R-1051A/URR; R-1051C/URR
>  
> Robert,
>  
> I own a couple of 1051Cs. These have black front panels, and, apparently are a USAF special.
>  
> Best, Francesco K5URG
> 
> Sent from my iPad
> 
> 
> On Sep 25, 2022, at 19:35, Robert Downs via Milsurplus <milsurplus at mailman.qth.net> wrote:
> 
> 
> Has anyone ever seen an R-1051A/URR or an R-1051C/URR?  I have a bunch of different number manuals on the R-1051 but none say either A or C.  At least one says that it covers the base model and the B model but doesn’t mention the A.
>  
> Robert Downs
>  
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