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Desktop HF/VHF Transmitter
Desktop Shortwave Transmitter
Desktop Shortwave receiver

General

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

Receiver

RX-range - - 0.1-10 MHz?
Modulations - - AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 + 6 m 10-80 m -
Modulations AM   CW   AM   CW   SSB   -
RF-output AM: 40 W, CW: 70 W AM: 500 W, SSB: 1 KW, CW: 600 W ?

Connections

Antenna - - -
Impedance ? ? ?
Other - - -

Electrical

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

Physical

Manufactured Between 196x and 196x in USA Between 196x and 196x in USA Between 1937 and 19xx in USA
Dimensions ? ? 455 × 261 × 440 mm
(17.91 × 10.28 × 17.32 in)
Weight ? ? 14.00 kg (30.9 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 or external VFO ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-CHALLENGER E.F.-JOHNSON-INVADER-002000 HAMMARLUND-SP-000110