[GreenKeys] LOOP INTERFACE

[Til128 at aol.com]

Jack,

What a beautiful design and workmanship on those interfaces  you designed 
and 
built.  Many, many  thanks.

Larry
K2JIA
OFC  

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Larry:
 
Was that interface for 60ma at 110volts , or a 20  ma. at around 30 volts 
for the 33?
 
TT
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