[GreenKeys] RTTY HF technician license? Not so fast.

[Russmill47 at aol.com]

Gerry,
 
RTTY Journal from September 1967 has the TTL-II schematic. It was my  first 
TU too!
 
A great improvement over what I was using up til then.  It's a shame  that I 
junked mine too.  
 
Let me know if you want me to make a copy of the TTL-II schematic.
 
73,
 
Russ
WA3FRP