Bud CPO-128, CPO-128A, CPO-128B, CPO-130, CPO-130A

Object/Artifact

-

Radio Alpha

Model 128: Image: hamandhifi.com
Model 128

Image: hamandhifi.com

Name/Title

Bud CPO-128, CPO-128A, CPO-128B, CPO-130, CPO-130A

Description

Code Practive Oscillator and Monitor

Category

Code Practice Set

Made/Created

Manufacturer

Bud Radio Products

Date made

1948 - 1963

Other Name

"Codemaster"

General Notes

Note

Radio’s Master, 13th edition (1948), p. J-74 Lafayette catalog number 89, p 131. QST, Apr 1953, p. 117. (CPO-128) QST, Apr 1954, p. 103. (CPO-128A) QST, Jan 1968, p. 160. (CPO-128B) (probably way before this) Walter Ashe catalog, 1954, p. 13. (CPO-130) Allied Radio catalog 1956 (copyright 1955), p. 202. Allied Radio catalog 1957 (issued 1956), p. 251. Allied Radio catalog 1958 (copyright 1957), p. 279. Allied Radio catalog 1960 (copyright 1959), p. 398. Allied Radio catalog 1961 (copyright 1960), p. 400. Allied Radio catalog 1962 (copyright 1961), p. 288. Allied Radio catalog 1963 (copyright 1962), p. 278. CPO-130 is the same as CPO-128 but designed for use with earphones. The toggle switch on the side is labeled “M” (monitor) and “C” (code). The cord coming out of a grommet near the switch is an RF pickup loop.