[R-390] Incomplete IF module

[Bruce Hagen]

Greeting all:

I have no knowledge about military surplus stuff but in the 50's, 60's &
70's you could walk into places like Edlie Electronics in NYC (Radio Row
before WTC) and  Midwest on S. Archer in Chicago as examples and buy all
kinds of radio/tv parts, sub assy. etc. for pennies on the dollar. So I
guess I'm not surprise about the 390 stuff.

Bruce Hagen

-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]On
Behalf Of Les Locklear
Sent: Sunday, November 27, 2005 5:47 PM
To: Tim Shoppa; R-390 at mailman.qth.net; Glenn Little WB4UIV
Subject: Re: [R-390] Incomplete IF module

Lots of those surfaced in the late 80's. In fact, many were marked with an
EAC spare
parts contract number. Clavier (who was originally Capehart then finally
Fowler) made
some of them also. Tom Marcotte has the list. I'm at work and don't have
that list
available.

Les Locklear

On Sun, 27 Nov 2005 16:26 , Glenn Little WB4UIV
<glennmaillist at bellsouth.net> sent:

>Tim and the group,
>
> From what I can see, this is a module that was never completed. The
>filters appear to have been installed and removed. T503 was never installed
>( I mentioned T503 as installed earlier, this is Z503). J512, R519 and R523
>were never installed. The standoff insulators are installed, but have never
>had components soldered to them.
>
>There are no marks on the chassis to indicate that the missing parts were
>ever installed.
>
>73
>Glenn
>WB4UIV
>
>
>At 01:55 PM 11/27/05, you wrote:
>>Glenn Little WB4UIV glennmaillist at bellsouth.net> wrote:
>>
>> > Some years ago I bought an incomplete IF module from a surplus house.
In
>> > cleaning this weekend, I uncovered it.
>> >
>> > The module is marked
>> > SM-C-343621
>> > I.F. FINAL ASS'Y
>> > FR-11-C22-C-4-26418(E)
>> > SER. NO. 0294
>> >
>> > The module has the tube sockets, RF connectors, T5-1-T503, Z501, C506,
>> > TB501 and some small parts mounted. Very little has solder on it.
>> >
>> > Is this a rare find?
>> >
>> > Why would it have the serial number assigned before completion?
>> >
>> > Thanks
>> > 73
>> > Glenn
>> > WB4UIV
>> >
>>
>>Is it possible this was not a "half-built" module but a "built,
>>torn down for spare parts, and the begun to be rebuilt" module?
>>
>>For reasons that I do not fully comprehend I've seen lots of
>>stripped-down IF modules over the years, almost always missing
>>the BFO and often missing some other parts.
>>
>>Tim.
>
>
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