[Elecraft] High Altitude Solder

[Lyle Johnson]

>> Does anybody know of a vendor that still sells it?  Are
> there any special precautions or procedures for using this solder?
> 
> Any quality solder will work. You just have to assemble the K-1 in a vacuum
> chamber to out-gas the connections. Remember to hold your breath to avoid
> contamination.

Actually, it is OK to not hold you breath.  The secret is to not exhale...

As for how long you can hold your breath in a vacuum, I refer you to 
Arthur Dent.

73,

Lyle KK7P