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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 CW   AM   CW   SSB   AM   CW  
RF-output 25 W AM: 200 W, SSB/CW: 275 W AM: 100 W, CW: 130 W

Connections

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

Electrical

Power req. Mains Mains Mains
Current RX - - -
TX 40 W ? ?

Physical

Manufactured Between 195x and 196x in USA Between 1956 and 1962 in USA Between 1952 and 19xx in USA
Dimensions 240 × 335 × 254 mm
(9.45 × 13.19 × 10.00 in)
530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
?
Weight 11.35 kg (25.0 lbs) 33.00 kg (72.8 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL & VFO XTAL and VFO 10 x XTAL selector (VFO option), 2 x 6146 finals.
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-NAVIGATOR E.F.-JOHNSON-VIKING-VALIANT E.F.-JOHNSON-VIKING-II