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Desktop Shortwave Transmitter
Desktop Shortwave Transmitter
Desktop Shortwave Transmitter

General

HAM bands 80m  40m  20m  15m  10m  160m  80m  40m  20m  15m  10m  6m 
Freq. stability ? ? ?
Tuning steps ? Continuous Continuous

Receiver

RX-range - - -
Modulations - - -
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 m 160-10 m 160-6 m
Modulations CW   AM   CW   SSB   AM   CW  
RF-output 30 W AM: 200 W, SSB/CW: 275 W CW: 75 W, AM: 65 W

Connections

Antenna - - -
Impedance ? 50/600Ω 50/500Ω
Other - - -

Electrical

Power req. Mains Mains Mains
Current RX - - -
TX ? ? ?

Physical

Manufactured Between 196x and 196x in USA Between 1956 and 1962 in USA Between 1961 and 1965 in USA
Dimensions ? 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
395 × 240 × 355 mm
(15.55 × 9.45 × 13.98 in)
Weight ? 33.00 kg (72.8 lbs) 20.50 kg (45.2 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL or external VFO XTAL and VFO XTAL and VFO
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-ADVENTURER E.F.-JOHNSON-VIKING-VALIANT EF-JOHNSON-VIKING-RANGER-II