E.F. Johnson
Viking 500
Desktop Shortwave Transmitter
1956-1963
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E.F. Johnson
Viking Adventurer
Desktop Shortwave Transmitter
196x-196x
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E.F. Johnson
Viking Avenger
Desktop Shortwave Transceiver
1968-196x
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E.F. Johnson
Viking Challenger
Desktop HF/VHF Transmitter
196x-196x
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E.F. Johnson
Viking I
Desktop Shortwave Transmitter
1949-1952
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E.F. Johnson
Viking II
Desktop Shortwave Transmitter
1952-19xx
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E.F. Johnson
Viking Mobile
Desktop Shortwave Transmitter
1952-19xx
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E.F. Johnson
Viking Navigator
Desktop Shortwave Transmitter
195x-196x
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E.F. Johnson
Viking Ranger
Desktop Shortwave Transmitter
1954-1961
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E.F. Johnson
Viking Ranger II
Desktop Shortwave Transmitter
1961-1965
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E.F. Johnson
Viking Thunderbolt
Desktop Shortwave Linear Amplifier
1958-196x
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E.F. Johnson
Viking Valiant
Desktop Shortwave Transmitter
1956-1962
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E.F. Johnson
Viking Valiant II
Desktop Shortwave Transmitter
1962-1965
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Eddystone
358
Desktop Shortwave receiver
194x-194x
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Eddystone
358/I
Desktop Shortwave receiver
194x-194x
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