Note
QST, May 1953, p. 87.
Walter Ashe catalog, 1954, p. 6.
Allied Radio catalog 1956 (copyright 1955), p. 195. (HQ-140X)
QST, May 1956, p. 113. ("XA" version)
Walter Ashe catalog 1957 (probably issued in 1956), p. 7.
Allied Radio catalog 1958 (copyright 1957), p. 267.
The HQ-140-X employed the same crystal filter used in Hammarlund’s premium SP-600 receiver. It had 11 tubes and general-coverage tuning from .54 to 31 MHz. The band-spread dial was calibrated for the 80, 40, 20, 15, and 10 meter amateur bands;
References
Brief description. Radio News, Jun 1953, p. 78.
Updating. CQ, Jan 1960, p. 38.
Key words:
HQ-140
