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Desktop Shortwave Transmitter
Desktop Shortwave Transceiver
Desktop Transceiver

General

HAM bands 160m  80m  40m  20m  15m  10m  160m  80m  40m  20m  15m  10m  11m (CB) 
Freq. stability ? ? ?
Tuning steps ? ? Channelized

Receiver

RX-range - 10-160 m 26.965-28.305 MHz
Modulations - CW   USB   LSB   FSK   AM   FM   SSB  
Sensitivity ? 0.33 µV for 10 dB S+N/N at 10m (2 kHz bandwidth) ?
Selectivity ? SSB: 2 kHz, 1.5:1 (-6 dB)
FSK: 1200 Hz, 2:1

Optional:
CW: 400 Hz, 4:1 and 300 Hz, 2:1
?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? > 60 dB ?
Audio output ? 1 W ?

Transmitter

TX-range 160-10 m 10-160 m 26.965-28.305 MHz
Modulations AM   CW   CW   USB   LSB   FSK   AM   FM   SSB  
RF-output CW: 115 W, AM: 100 W 1-150 W (130 W max above 28 MHz) 18 W

Connections

Antenna - SO-239 -
Impedance ? 50 Ω ?
Other - - -

Electrical

Power req. Mains Mains (115/230 V, 50-400 Hz) ?
Current RX - 100 W ?
TX ? 400 W ?

Physical

Manufactured Between 1949 and 1952 in USA Between 1971 and 197x in USA Between 19xx and 19xx
Dimensions 530 × 285 × 380 mm
(20.87 × 11.22 × 14.96 in)
413 × 184 × 356 mm
(16.26 × 7.24 × 14.02 in)
?
Weight ? 15.90 kg (35.1 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 120 channels in bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features 11 tubes Dual VFO, built-in keyer and full QSK Advanced features for such an old radio.
60 dB attenuator
?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-I SIGNAL/ONE-CX-000007A HAM-INTERNATIONAL-JUMBO000002