Note
QST, May 1961, p. 148.
Ham Radio, May 1968, p. 51.
CQ. Mar 1969, p. 101.
Ham Radio, Jun 1970, p. 80.
Separate versions for 11, 10, 6, 2, and 220 MHz. There is no simple way to determine the band of any particular unit found.
Seperate models for 27, 28, 50, 144, or 220 MHz
Performance: >20 db gain
Will improve gain and noise figure considerably
Uses two tuned circuits and one 6CW4 Nuvistor
Noise Figure:
2.0 db at 27 MHz
2.5 db at 50 MHz
3.0 db at 144 MHz
4.0 db at 220 MHz
Power Requirements: 110-150 v. at 8 ma and 6.3 v. at .135 a