[R-390] missing pages in TM-11-856

[Mike Peace]

Hi Jacques,
Yes, I agree, I have recovered all the TM 11-856 and 856A file versions
from Dr Moorer's jamminpower.com website.
Thanks,
Mike
VK6ADA

On Sat, Apr 11, 2026 at 10:34 AM Jacques Fortin <jacques.f at videotron.ca>
wrote:

> Hi Mike,
> This drive link provide the first copy of the TM 11-856 that Andy Moorer
> scanned and posted on his site.
> I had this .pdf in my R-390 folder since 2009 (created 2007-02-04: see the
> .pdf properties).
> Andy also replaced this copy with a more "compact" one which is 28,074Ko
> big: a little less definition, but everything is there.
> The good thing is that the C1, C2 and C4 are also integrated in the
> 148,817Ko version.
>
> 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 Mike Peace via R-390
> Envoyé : 11 avril 2026 10:41
> À : Jacques Fortin <jacques.f at videotron.ca>
> Cc : r-390 at mailman.qth.net; Larry Haney <larry41gm2 at gmail.com>
> Objet : Re: [R-390] missing pages in TM-11-856
>
>  TM 11-856 (1).pdf
> <
> https://drive.google.com/file/d/1PiKtPSyNRLS7DYqH6cBbPY1qwH4ToVNa/view?usp=drive_web
> >
> Hi Jacques, Larry and Dan,
>
> I think this version of TM 11-856 may have the schematics that your
> looking for.
>
> See attached the google drive link to the very large file-size PDF.
>
> Cheers,
>
> Mike Peace
>
> VK6ADA
>
> On Sat, Apr 11, 2026 at 8:58 AM Jacques Fortin via R-390 <
> r-390 at mailman.qth.net> wrote:
>
> > Hi Larry, Dan,
> > If I may comment...
> > The BAMA document is a scan from the "straight photocopy" of the
> > original I've done in 1984 or so: see the bottom of page 2...
> > The Royal Signals copy (
> > https://www.royalsignals.org.uk/radio-rx-R390/2460.pdf) is a
> > completely restored document based on those same photocopies.
> > But this document (from Collins Radio) is only a pre-TM11-856.
> > The 1955 edition of the TM 11-856 contains more data, but the parts
> > listing and other original details are no longer there.
> > Be aware also that the "Corrections" C1, C2 and C4 have to be applied
> > to provide a global document that make sense.
> > I already posted about the errors contained in the TM 11-856 that were
> > not present in the 1953 Collins manual.
> >
> > The most complete TM 11-856 copy is the one that was available from
> > the Andy Moorer website (https://www.jamminpower.org/r390.html) which
> > is apparently offline now.
> > I have most of the related .pdf that came from, but they are all too
> > big to be sent by email.
> > In the Moorer's copy, all the docs that were in a "separate envelope"
> > are reproduced at the end of the document, and there is also a set of
> > those re-scaled in 11 x 17 format, but the file is 40MB big !
> >
> > IMHO, to fully understand a R-390/URR in and out, you need to read and
> > compare the three manuals available for it:
> > 1_ The 1953 Collins manual
> > 2_ The TM 11-856 (the complete 1955 copy) + the C1, C2 C4 corrections.
> > 3_ The TM 11-5820-357-35 from 1962 (The corrected copy attached to
> > this
> > email: most figures within are a mess, but it is searchable...)
> >
> > 73, Jacques, VE2JFE in Montreal
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