radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.
 

History of the radio manufacturer Watkins Johnson Company, Gaithersburg (MD)

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: Watkins Johnson Company, Gaithersburg (MD)    (USA)    
Abbreviation: watkins  
Products: Model types Others  
Summary: Die 1957 gegründete Firma stellte neben Halbleitern und Kommunikationsequipment sehr hochwertige Kurzwellenempfänger für militärische Zwecke her, sie wurde in den neunziger Jahren von verschiedenen vornehmlich im Rüstungssektor aktiven Konzernen übernommen. Mit dem HF-1000 stellte Watkins-Johnson nach 1993 einen einzigen DSP-tauglichen Empfänger mit u.a. Funkamateuren als Zielgruppe her.

The Watkins Johnson Company has been founded in 1957 and produced telecommunications equipment and semiconductors. The Watkins Johnson receivers and telecommunication equipments has been mostly used by military services and agencies.
The Telecommunications Group (Division) in Gaithersburg, Maryland, has been subsequently sold to Marconi, BAE Systems and Integrated Defense Technologies IDT and has finally been taken over by DRS Technologies Inc. in 2003.
 

 
Founded: 1957
History:
Die Watkins-Johnson Company wurde 1957 in Palo Alto, CA, gegründet. Die Watkins-Johnson Company Telecommunications Group erstellte ab 1966 in Gaithersburg Kommunikationsequipment her und beschäftigte zuletzt 450 Angestellte.
Die Geräte von Watkins-Johnson erwarben sich rasch einen guten Namen als High-Tech-Empfänger bei militärischen und Geheimdienststellen.
Wohl nach 1998 wurde Watkins-Johnson von Marconi und dann von BAE SYSTEMS North America (British Aerospace) übernommen. Der Standort Gaithersburg wurde 2002 für 146 mio US$ von Integrated Defense Technologies IDT und diese im November 2003 von DRS Technologies Inc. (DRS Electronic Systems, Inc., 200 Professional Drive, Gaithersburg, MD 20879) übernommen.
In the late 1960s, Watkins Johnson (WJ) purchased Communications Electronics Inc. (CEI) of Gaithersburg, Maryland, which became its Communication Electronics division. Prior to this purchase, Watkins Johnson did not manufacture radios for surveillance use.
 

This manufacturer was suggested by Martin Bösch.


Some models:
Country Year Name 1st Tube Notes
USA  76 WJ-8718   Watkins Johnson WJ-8718 HF receiver: coverage 5 - 30000 kHz; AM, CW, USB, LSB, ISB (option... 
USA  65 504A   VHF Receiver 54 - 260 MHz in one band. AM, FM and CW reception. Two IF bandwidths: 10 and ... 
USA  70 DRO-290A-1   digital frequency readout matching the 521A-3 SW/VHF receiver; displays up to 0,1 kHz wi... 
USA  67 521A-3   sw / vhf receiver, coverage 20 - 80 MHz, FM, AM, CW (BFO); tuned via steel tape dial; fe... 
USA  76–80 WJ-8888B   coverage 500 - 30000 kHz; AM, CW, USB/LSB, ISB, FM; digital readout 10 Hz, 4 tuning speed... 
USA  92–98 WJ-8721   computer controlled receiver, 12 receivers fit in a 19" rack; 5 - 30000 kHz, AM, CW, USB/L... 
USA  86–90 WJ-8718A/MFP   improved version of the WJ8718A with MFP (microprocessor front end); coverage 5 - 30000 kH... 
USA  76–90 AN/URR-74 (V) 2   military version of the WJ-8718A, coverage 5 - 30000 kHz, AM/CW/LSB/USB/ISB/FM. Digital re... 
USA  82–90 WJ-8718A   coverage 5 - 30000 kHz; AM, CW, USB/LSB, ISB optional; digital readout 10 Hz; original WJ... 
USA  92–98 WJ-8712P   coverage 5 - 30000 kHz; AM, CW, USB/LSB, ISB, FM; IF DSP; digital readout 1 Hz, 100 memori... 
USA  92–98 WJ-8712A   coverage 5 - 30000 kHz; AM, CW, USB/LSB, ISB, FM; no dial, only computer control via RS232... 
USA  90–98 WJ-8711   coverage 5 - 30000 kHz; AM, CW, USB/LSB, ISB, FM; IF DSP with 58 DSP-filters; digital read... 

[rmxhdet-en]

Further details for this radio manufacturer by the members (rmfiorg):

tbn_usa_watkins_johnson_1993_logo.jpg  

  
rmXorg