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Desktop Shortwave Transmitter
Desktop Shortwave Transmitter
Desktop HF/VHF Receiver

General

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

Receiver

RX-range - - 0.54-55 MHz in five bands
Modulations - - AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? 9 tubes
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 m 10-80 m -
Modulations AM   CW   SSB   AM   CW   SSB   -
RF-output AM: 250 W, SSB: 250 W, CW: 300 W AM: 500 W, SSB: 1 KW, CW: 600 W ?

Connections

Antenna - - -
Impedance ? ? 50 Ω
Other - - -

Electrical

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

Physical

Manufactured Between 1956 and 1963 in USA Between 196x and 196x in USA Between 1947 and 1951 in USA
Dimensions 530 × 290 × 420 mm
(20.87 × 11.42 × 16.54 in)
? ?
Weight 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 ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-000500 E.F.-JOHNSON-INVADER-002000 NATIONAL-COMPANY-NC-000057