Note
Kit form or wired.
QST, Dec 1952, p. 103.
QST, Apr 1953, p. 107. <<<<<<
QST, Jun 1953, p. 85. (SRT-120P is the transmitter and power supply together in one cabinet)
Allied Radio catalog 1954 (copyright 1953), p. 51.
QST, Mar 1954, p. 77. ("New improved 1954 model with new features.")
Allied Radio catalog 1955 (copyright 1954), p. 192.
QST, Oct 1956, p. 98. (NOS??)
Sonar designed the SRT-120 for either mobile or fixed-station use. Power input to its 9903/5894A final was 120 watts CW, 100 watts AM. It had band-switch positions for 80, 40, 20, 15, and 10-11 meters, plus a spare position for another band.
