Johnson 240-102, Viking II, Viking II CD

Object/Artifact

-

Radio Alpha

Image: California Historical Radio Society (CHRS)

Image: California Historical Radio Society (CHRS)

Name/Title

Johnson 240-102, Viking II, Viking II CD

Description

HF Transmitter

Category

Transmitter, HF

Made/Created

Manufacturer

E. F. Johnson

Date made

1952 - 1957

Valuations

Value

$279.50

General Notes

Note

Viking ll QST, Sep 1952, p. 82. Allied Radio catalog 1953 (copyright 1952), p. 39. Viking ll CD - with extended frequency ranges QST, Jul 1954, p. 107. QST, Aug 1954, p. 77. (details) Allied Radio catalog 1956 (copyright 1955), p. 195. QST, Mar 1956, p. 129. (CD version again) Walter Ashe catalog 1957 (probably issued in 1956), p. 5. QST, Feb 1957, p. 139 The Viking II added TVI measures to the Viking I design and changed the final amplifier to a pair of 6146s. Power output increased to 130 watts on CW and remained 100 watts on phone. CD version available: Allied Radio catalog 1960 (copyright 1959), p. 388. References Brief description. Radio News, Jan 1953, p. 119. Nice cartoon, QST, Mar 1955, p. 91 Use with Heath SB-10. Cq, Feb 1960, p. 30.