Note
Ham Radio Dec 1971, p. 91.
QST, Jan 1972, p. 125.
Ham Radio, Aug 1972, p. 47. (SRC-146A)
See QST, Aug 1974, p. 125
See QST, Aug 1978, p. 93.
QST, Jan 1980, p. 179. (close out)
Frequency range: 143-149 MHz (2MHz spread)
Number of channels: 5
R.F. Output: 1 watt minimum
Sensitivity better than 0.4 uV / 20 db Q.S.
Audio output: 500 mw
Meter monitors battery voltage on TX, S-meter on RX
Current drain: 400 mA TX, 15 mA RX standby
The difference in the 146A appears to be a slight increase in power to 2 watts minimum.