[R-390] SSB R-390A?

[Tom Bridgers]

Columbia Electronics modified a bunch of R-390A's for the government,
including putting the selectable upper and lower sideband mod on them.  The
SSB mod Dick Walser showed me was on an L-bracket, much like the one
pictured in the auction, but they also repainted the front panel so that the
BFO selector (upper, lower and on, off) looked original.

Every (most) R-390A they remanufactured received a new Columbia Electronics
tag. I have several of them that Dick gave me.

Columbia Electronics (also known as Airborne Electronics) was owned by Dick
Walser and his partner (whose name I cannot remember right now).  I met Dick
about 8 years ago and was a super person who knew EVERYTHING there was to
know about  R-390As.  I wrote an article about Dick and ER ran it.  Sadly
Dick passed away about 2 years ago.
73's,
-tom

----- Original Message -----
From: "Les Locklear" <leslocklear at cableone.net>
To: <DJED1 at aol.com>; <future212 at comcast.net>; <R-390 at mailman.qth.net>
Sent: Wednesday, March 29, 2006 6:47 AM
Subject: Re: [R-390] SSB R-390A?


> Some that had that modification had the tube and x-tals mounted behind the
> front panel.
>
> Depot job? Not hardly, Columbia Systems did most of the mods and someother
> outfit in California whos name escapes me at the moment.
>
> Just remember what P. T. Barnum said................
>
> Les Locklear
>
> The two most common elements in the universe are Hydrogen and stupidity.
>
> Harlan Ellison (1934-
>
> ----- Original Message -----
> From: <DJED1 at aol.com>
> To: <future212 at comcast.net>; <R-390 at mailman.qth.net>
> Sent: Tuesday, March 28, 2006 10:03 PM
> Subject: Re: [R-390] SSB R-390A?
>
>
> >I took a look at Chuck Rippel's photos, which are the most authentic view
> >of
> > the radio I can think of.  The advertised radio has the extra module in
> > the
> > right place (in front of the audio module), and is connected to the IF
> > module
> > in the correct manner.  However, Chuck's photo shows a module with  two
> > metal
> > cased crystals, similar to the other crystals in the radio.  The  eBay
> > radio
> > has surplus FT243 crystals, which in my mind would make it a homebrew
> > setup.
> > But these are rare enough that I could be wrong.
> > Ed
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