[Elecraft] High Altitude Solder

[Logan Zintsmaster]

I had the same problem, until I discovered that underwater solder works 
just as well.  It's all about the pressure differences.  I use the fresh 
water variety, since I do most of my mountain topping on inland 
mountains.  I get it from Cousteau Electronics Supply,  they are on the 
web.  You do have to be careful when you go up the mountain.  If you go 
too fast, the point to point wiring gets the bends and that plays havoc 
with the efficiency.

By the way, you can still use your rig in your ham shack if you immerse 
it in distilled water, overnight.  This treatment keeps the solder 
active for about a week.

Enjoy the rest of the day
Logan,
KZ6O


Lynn Burlingame wrote:

>I plan to do a lot of mountaintopping in the next few years and will
>be assembling a K1 for this specific use.  I need to locate a good
>source for MILSPEC high altitude solder that meets Elecraft's
>specifications and will not void the warranty.  The reported 22%
>increase in equipment efficiency will make the extra expense
>worthwhile.  Does anybody know of a vendor that still sells it?  Are
>there any special precautions or procedures for using this solder?
>
>Lynn
>N7CFO
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