[Milsurplus] 19 set thread

[WA5CAB@cs.com]

Hue, Dave & Group,

The best (or worst) example is probably the BC-640.  I didn't go look up 
which volume it was in, but the lambast ended with something like "this thing 
produces TVI even when turned off".  I operated a BC-640 (two, actually) in 
North Louisiana before I moved to Houston 30 years ago.  Properly tuned, I 
never had any TVI problems with it.  And Ruston, where I was located, was 
more than 30 miles from the nearest TV station.  The two that I had came out 
of Barksdale AFB, where I'm told they had been in at least stand-by service 
until the late 60's.

In a message dated 12/8/2002 2:22:06 PM Central Standard Time, 
milsurplus-request@mailman.qth.net writes: 
> >I wonder if the bad reputation in the surplus literature, 
> >at least in the USA,
> >arises  from the ham users' limited technical ability, 
> >limited ability to understand the switching and relay system, 
> >and to operate the set without the control boxes?
> 
> This is demonstrably true.  Take a look at the majority of
> the "technical" articles of the era.  You will find a lot
> of voodoo and witchcraft in the mix.  The old yarn
> about surplus being "TVI machines" is utter nonsense.
> I've done tests with professional level analyzers
> and- when run as designed- the equipment is clean.
> There are one or two exceptions, but the popular rigs
> are not among them.
> 

73
Robert Downs
Houston
<WA5CAB@cs.com>


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