Note
QST, Sep 1968, p. 155. (teaser ad)
QST, Dec 1968, p. 145. (teaser ad)
QST, Jan 1969, p. 123. (teaser ad)
QST, Apr 1969, p. 133. (teaser ad)
CQ, Mar 1969, p. 11. (full page)
QST, May 1969, p. 117. (full page)
QST, Nov 1969, p. 113. (inside photo)
QST, May 1970, p. 144. (Good photo)
QST, Dec 1970, p. 170. ("now better than ever" -- An improved version with the same model number. The improvements seem to be mostly in quality control, and not improved performance or specifications.)
QST, Dec 1973, p. 126. (moving to New Jersey under new ownership and with a "new standard of reliability")
CX7-A
QST, Sep 1971, p. 139.
QST, Oct 1971, p. 137.
The CX-7A resembled the previous model physically and electrically. Signal/One had become a division of Computer Measurements, Inc. of Gardena, California. The new ads stated that small problems in the previous design had been “ironed out” in the CX-7A.
CX7B
QST, Apr 1974, p. 124. (will be shown at Dayton, taking advance orders)
.
Replaced by the CX11 in January 1975.
QST, Jan 1975, p. 128.
