[R-390] no vendor tag: any way to ID vendor?

[Milton]

The Square Stamp with the bird was not a Collins stamp.  It was
that of the DCA quality inspector indicating that it meet government
requirements.

Milton
AD5XD
Collins Clock nr 28993

--- On Mon, 6/24/13, Cecil <chacuff at cableone.net> wrote:

> From: Cecil <chacuff at cableone.net>
> Subject: Re: [R-390] no vendor tag: any way to ID vendor?
> To: "Kevin McGrath" <kj_mcgrath at yahoo.com>
> Cc: "r-390 at mailman.qth.net" <r-390 at mailman.qth.net>
> Date: Monday, June 24, 2013, 10:00 PM
> It can usually be identified by
> markings on the rear panel.  On the Collins modules you
> may notice a stamping that is a square with a bird....that
> was used by Collins. If there is one of those on the rear
> panel it's a pretty good bet it was built by Collins.
> 
> Cecil
> K5DL
> 
> Sent from my iPad
> 
> On Jun 24, 2013, at 9:45 PM, Kevin McGrath <kj_mcgrath at yahoo.com>
> wrote:
> 
> > I recently acquired an R390A with no vendor tag. Is
> there any way to ID the vendor (Collins, EAC, Motorola...)
> by looking at small differences in the build, lettering or
> rear panel and the like? 
> > 
> > 
> > The PTO is Collins as is the tag on the power supply
> module. The panel is not engraved.
> > 
> > Thanks, 
> > 
> > Kevin.
> >
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