Note
Allied Radio catalog 1961 (copyright 1960), p. 397.
QST, Apr 1969, p. 151.
QST, Jan 1970, p. 137.
The Model 250-46 Johnson Viking phone patch was a completely automatic hybrid-type unit. It operated in the manual, PTT, and VOX modes. When switched to the “Patch” position, the receiver’s speaker was disconnected and audio was diverted to the telephone handset.
