Note
QST, Nov 1959, p. 115.
QST, Feb 1963, p. 109. (HQ-180XE)
QST, Jul 1963, p. 113. (HQ-180A)
QST, Jan 1964, p. 5.
QST, Aug 1968, p. 113.
QST, Nov 1969, p. 4.
QST, Jan 1970, p. 4.
The general coverage HQ-180 was also engineered for SSB performance on the ham bands. In addition to calibrated band spread, it had a vernier tuning control, a rejection notch, selectable sidebands, and a product detector. The triple conversion set used 18 tubes and covered .54–30 MHz in six bands.
References
Brief description. Electronics World, Jan 1960, p. 142.
Review: CQ, Apr 1960, p. 59.
Review: QST, Jun 1960, p. 42.
Brief description. Popular Electronics, Sep 1960, p. 36.
Brief description. Electronics World, Oct 1963, p. 108. (HQ-180A)
Review (180AX). Popular Electronics, Feb 1964, p. 67.