[Milsurplus] Professionally converted radios

[jcoward5452 at aol.com]

I forget how I found it but the NASA soldering standards manual is online somewhere.Lots of pictures and drawings showing  proper technique.
Jay



-----Original Message-----
From: Peter Gottlieb <nerd at verizon.net>
Cc: milsurplus at mailman.qth.net
Sent: Fri, Nov 27, 2009 8:52 am
Subject: Re: [Milsurplus] Professionally converted radios


NASA used to have a very nice, thorough, and effective soldering 
ourse.  I still use those techniques quite effectively to this day.
Good workmanship is more than soldering; the appropriate components and 
echanical layout are needed, and it all must be consistent with good 
lectronic design.  To do a great modification job requires an extensive 
et of skills that few have.

Mike Morrow wrote:
> There is good work, usable work, and shoddy work...
>     

 During my years an officer on a nuclear submarine, I was
 in charge of the Reactor Controls division.  These were
 USN nuclear-trained Electronics Technicians 2/C through
 ETCS.  I usually had to keep myself from interfering when
 observing the soldering skills of many of my people.  They
 were all professionals dealing with some fairly critical
 equipment, yet at least half just did not have the touch
 when it came to making a proper solder joint.

 This was a USN-wide problem, so finally schools were
 established to deal with nothing but soldering techniques.
 That helped, except for it not emphasizing the need to use
 *non-conductive* liquid solder flux on PCBs!

 Mike / KK5F
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