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Desktop Shortwave Transmitter
Desktop Shortwave Transmitter
Desktop Shortwave Transmitter

General

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

Receiver

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

Transmitter

TX-range 160-10 m 160-10 m 160-10 m
Modulations AM   CW   AM   CW   AM   CW   SSB  
RF-output 40 W AM: 100 W, CW: 130 W AM: 200 W, SSB/CW: 275 W

Connections

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

Electrical

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

Physical

Manufactured Between 1954 and 1961 in USA Between 1952 and 19xx in USA Between 1962 and 1965 in USA
Dimensions 395 × 240 × 355 mm
(15.55 × 9.45 × 13.98 in)
? 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
Weight 20.50 kg (45.2 lbs) ? 33.00 kg (72.8 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL and VFO 10 x XTAL selector (VFO option), 2 x 6146 finals. XTAL and VFO
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-RANGER E.F.-JOHNSON-VIKING-II EF-JOHNSON-VIKING-VALIANT-II