Note
QST, Aug 1958, p. 129.
QST, Sep 1958, p. 125.
CQ, Sep 1958, p. 12.
QST, Feb 1963, p. 107.
QST, Apr 1964, p. 139.
Kit or wired.
The model 720 90-watt CW transmitter covered 80–10 meters using crystal control. Its meter had a “Novice limit” marking to help keep input power to the 6146 final to 75 watts for that class of licensee. The 720 had a pi-net output and connections for an external modulator.
References
Brief description. Radio News, Nov 1958, p. 153.
Review. Electronics World, Jun 1959, p. 82.
Review. CQ, Aug 1959, p. 56.