Watkins - Johnson Commercial Receivers

The Watkins-Johnson Company was founded in 1957 in Palo Alto, CA; renamed to Watkins-Johnson Company Telecommunications Group in Gaithersburg, MA, it manufactured communications equipment primarily for military and intelligence agencies after 1966, and at last employed 450 people.

Probably after 1998, Watkins-Johnson was acquired by Marconi and then by BAE SYSTEMS North America (British Aerospace). The Gaithersburg facility was acquired by Integrated Defense Technologies IDT in 2002 for US$146 million, which was later was acquired by DRS Technologies Inc. in November 2003 (DRS Electronic Systems, Inc., 200 Professional Drive, Gaithersburg, MD 20879).

With the HF-1000, Watkins-Johnson produced a single DSP receiver after 1993, targeting radio amateurs and shortwave enthousiasts.

Commercial receivers from Watkins Johnson

RS-1601970Single Conversion30 - 1000 MHzAM, FM, Pulse
WJ-8888 / „Quad8“1972Triple Conversion0.5 - 30 MHzAM, CW, USB, LSB, ISB, FM
WJ-8888B1976Triple Conversion0.5 - 30 MHzidentical technical specifications, 4 tuning speeds
WJ-87181976Double Conversion5 - 30000 kHzAM, CW, FM
WJ-8718A1982Double Conversion5 - 30000 kHzAM, CW, FM
WJ-8718A/MFP1986Double Conversion5 - 30000 kHzidentical technical specifications, microprocessor controlled
WJ-8711 / WJ-8711A1990Double Conversion5 - 30000 kHzAM, CW, LSB, USB, ISB, FM; DSP IF, AGCx2, RS 232 - Port
HF-10001993Double Conversion5 - 30000 kHzAM, CW, LSB, USB, ISB, FM; DSP IF, AGCx2, RS 232 - port; semi-professional successor model.
en/kommerzielle_empfaenger_von_watkins_johnson.txt · Zuletzt geändert: 2021/04/06 22:13 von mb