[R-390] SSB R-390A?

[Mark Huss]

So, has anybody documented this mod, say schematics?

Les Locklear wrote:

> Airborne, that was it. Thanks Tom! I hadn't had enough coffee before 
> replying and I had a senior moment.....:-)
>
> That wasn't a "Depot" job, depots didn't do modifications except for 
> factory approved field mods. All the ones I have seen (they aren't 
> rare at all) have the HC-6U?  smaller x-tals, looks like somebody had 
> a bunch of surplus FT-243's to use up.
>
> Maybe he had Martyn write up that "hype" for him?
>
> Les Locklear
> Monitoring Since '57
> Located On the Gulf of Mexico
> Gulfport, MS.
> http://www.hammarlund.info/homepage.html
>
>
>
> ----- Original Message ----- From: "Tom Bridgers" <Tarheel6 at msn.com>
> To: "Les Locklear" <leslocklear at cableone.net>; <DJED1 at aol.com>; 
> <future212 at comcast.net>; <R-390 at mailman.qth.net>
> Sent: Wednesday, March 29, 2006 7:59 AM
> Subject: Re: [R-390] SSB R-390A?
>
>
>> 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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>>> >
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>>> >
>>>
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>>
>>
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>
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-- 
More women than men believe in ghosts, while more men than women believe in UFOs. This proves that men will believe almost anything if it comes with really great gadgetry.-- Captain Ed --