Note
QST, Nov 1958, p. 125.
CQ, Dec 1958, p. 15.
CQ, Jul 1961, p. 6. ("X" version)
QST, May 1964, p. 5. ("A" version)
QST, May 1964, p. 5. ("AX" version)
QST, Aug 1968, p. 113.
QST, Mar 1969, p. 4.
HAMMARLUND HQ-145: The general-coverage HQ-145 tuned .54–30 MHz and had electrical band spread for the ham bands. One of its fivebands was a special 20 meter band-spread range. The HQ-145 was double conversion above 10 MHz and used 12 tubes. It had both a crystal filter and notch filter. The clock was a $10.00 option.
HAMMARLUND HQ-145A: Hammarlund updated the HQ-145 with the addition of a product detector, a flip-top cabinet, and a 110/230 volt, 50–60 Hz power supply. They also added a socket to power accessories and a "systems" socket to facilitate operation with the company’s HX-50 transmitter. The HQ-145A tuned from .54 to 30 MHz in four bands and had an additional band-spread range for 20 meters.
The HQ-145AX included provisions for 11 crystal-controlled channels.
References
Brief description. Radio News, Feb 1959, p. 142.
Review (HQ-145). CQ, May 1959, p. 52.
Review (HQ-145): QST, Jun 1959, p. 44.
Brief description. Electronics World, Dec 1961, p. 110. (HQ-145X)
Brief description. Electronics World, Nov, 1964, p. 122. (HQ-145A)
