QST, Nov 1974, p. 164.
QST, Aug 1975, p. 140.
QST, Sep 1976, p. 152.
Matric’s Model 50 CW transmitter ran 15 watts and covered 160, 80, and 40 meters with plug-in coils. The transmitter had a built-in 115 VAC power supply and used a “T” output network.
