Note
QST, Jun 1965, p. 143.
QST, Jan 1966, p. 113.
QST, Apr 1967, p. 5.
QST, Jan 1968, p.5
QST, Mar 1969, p. 5.
73, Dec 1972, p. 48.
The VFO-621 was designed to work with Ameco’s TX-62 transmitter or other rigs compatible with its 24–26 MHz output. In addition to 6 and 2 meters, its dial was calibrated for the 1-1/4 meter band. The heterodyne-type VFO was transistorized.
