[R-1051] R-1051G manual on line

[Francesco Ledda]

I have two 1051Cs; I was told that these were USAF 1051B for missile silos.
Now, they look like 1051Bs but they have a different six pack.  In fact, a
1051B's six pack doesn't work there unless an extra power voltage is added.

Frank k5urg

-----Original Message-----
From: r-1051-bounces at mailman.qth.net [mailto:r-1051-bounces at mailman.qth.net]
On Behalf Of Ray Fantini
Sent: Tuesday, July 11, 2017 8:20 AM
To: R-1051 Discussion Group
Subject: Re: [R-1051] R-1051G manual on line

Pure speculation on my part but I always thought of the 1051A, B and C as
dogs and would think they were replaced as soon as possible with D and G
receivers. It's only antidotal but I have owned several A and B receivers
years ago and in the last several years bought and sold a couple of the G
series and although a lot of the innards are the same always though the G
was a better receiver. In addition to doing away with the original six pack
somehow feel the layout of the control panel was better along with the
veneer for frequency and the AGC control.
Never owned or saw a D or H and the last group of these radios that I saw in
storage were all G series.

Ray F/KA3EKH

-----Original Message-----
From: r-1051-bounces at mailman.qth.net [mailto:r-1051-bounces at mailman.qth.net]
On Behalf Of paul swed
Sent: Tuesday, July 11, 2017 9:11 AM
To: R-1051 Discussion Group <r-1051 at mailman.qth.net>
Subject: Re: [R-1051] R-1051G manual on line

Nick
I thought I could resist but it appears I can't.
Real men like 6 pacs and chains. OK just had to do that.
Nothing like a B that builds muscle as you change frequency.

I did note the G version main oscillator uses a phase lock loop. Unclear how
that actually works as there was not a feed back to the oscillator. So I
suspect its actually just an auto sense internal/external circuit for the
5 MHz.
Regards
Paul.
WB8TSL

On Tue, Jul 11, 2017 at 7:27 AM, Nick England <navy.radio at gmail.com> wrote:

> Hi Lee - can you please email me some high-res photos of your F model 
> front panel and a view of the top of the modules? Any module numbers 
> you can pass along would be great. My direct email is 
> navy.radio at gmail.com I am trying to document the differences between 
> different models on a web page at 
> http://www.navy-radio.com/rcvrs/r1051.htm
> I have photos, module numbers, and model characteristics from various 
> sources.
>
> Maybe we can figure out what differences there are between F model and 
> G model - perhaps not so much, with Stewart-Warner building both and 
> the contract price being the same. BTW, the D model info I have says 
> it had a "six-pack". Ditto for the E model but I have no photo of that
one.
>
> All comments, corrections, additions, photos, etc. on various models 
> are greatly appreciated
>
> Thanks
> Nick England K4NYW
> www.navy-radio.com
>
> On Tue, Jul 11, 2017 at 1:53 AM, L D Ritta <vk5abc at adam.com.au> wrote:
>
> > I wonder how much the sythersizer module has changed since the
> introduction
> > of the R-1051D
> > I have an R-1051F and wonder how different mine is from the R-1051G 
> > as I don't have an manual.
> > Any ideas, how many users have receivers that do not have six pack's 
> > that is are not A, B, C radios.
> >
> >
> > Lee
> >
> >
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