Yes, and a bunch of them :-) 73 Tom W7WHY > For the RTTY purist, the Mainline TT/L-2 article and schematics can be > found in the May and June 1969 issues of QST. You don't even have to learn > how the newfangled transistors work -- the TT/L uses tubes. > > 73 > Chen, W7AY