[Elecraft] Extremely light KX1 portable external power supply

[Thomas Beaudry]

> I inserted a single layer of the strong fiber paper used for a
> credit card holder.  (I've forgotton the proper name of the stuff:
> it's also used for Priority and Express Mail envelopes.)

Tyvex.  It's also used for home construction, vapor barrier being the 
best example here in the Southeast US.  You can buy large rolls and 
small sheets at Home Depot.  I've seen small sheets also in the crafts 
section at WalMart.

-- 
Thomas M. Beaudry
k8la / ys1ztm
K2 # 3422