[Milsurplus] Professionally converted radios

[J. Forster]

Dave,

There is another NASA book, looseleaf I think, full of pictures of dos and
don'ts...  much more of a "how to" manual than a set of specs.

-John

===============


> Jay and the group,
>
> The NASA soldering standard document is at this URL:
>
> http://www.hq.nasa.gov/office/codeq/doctree/canceled/solder/sldrbch1.pdf
>
> Best 73, David W1TDD
>
> ----- Original Message -----
> From: <jcoward5452 at aol.com>
> To: <nerd at verizon.net>
> Cc: <milsurplus at mailman.qth.net>
> Sent: Friday, November 27, 2009 12:08 PM
> Subject: Re: [Milsurplus] Professionally converted radios
>
>
>>
>> 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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