The Watkins-Johnson Company is a producer of semiconductor-manufacturing equipment and electronic products for the wireless-telecommunications and defense industries. Founded in 1957, Watkins-Johnson emerged as a developer and manufacturer of surveillance, communications, and electronic countermeasure equipment used in covert operations, selling the bulk of its equipment for decades to the U.S. Department of Defense.
HF-1000
Desktop Shortwave receiver
19xx-19xx
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HF-1000A
Desktop Shortwave receiver
19xx-19xx
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WJ-521A-1
HF/VHF Surveillance Receiver
1980-198x
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WJ-565A-1
Desktop HF/VHF Receiver
1980-198x
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WJ-906A-6
Desktop HF/VHF Receiver
1980-198x
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WJ-8615
Desktop HF/VHF/UHF Receiver
19xx-19xx
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WJ-8617 series
Desktop HF/VHF/UHF Receiver
19xx-19xx
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WJ-8617B series
Desktop HF/VHF/UHF Receiver
1982-198x
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WJ-8709-2
Desktop Shortwave receiver
19xx-19xx
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WJ-8711
Desktop Shortwave receiver
19xx-19xx
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WJ-8718-2
High performance Shortwave receiver
198x-199x
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WJ-8888
Desktop Shortwave receiver
19xx-19xx
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