[Hallicrafters] TO schematic

[Pete Ferrand]

Hi Roy, it's been years, but, where and how would a single contact key jack be added to the circuit?

tnx es 73,
-Pete
WB2QLL
Mount Pleasant, WI



>
>Here are a few of notes on the thing, and I”ll send my full notes file separately to you off list with some further information and gathered posts.  I also will send a nice picture of W9TO himself as a rather young ham with really really period equipment.