I am still looking for update tables (I have the original 1956, 1963 update
and final 1978 book) but still don't have any way to test tubes such as the
5AR4 and 6EH5. If anyone has the settings for the TC1 or 2 please e-mail me
directly. I tried the IT-21 settings but no good!
73 Dave K4JRB
[email protected]