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Desktop Shortwave Linear Amplifier
Desktop Transceiver

General

HAM bands ? 11m (CB) 
Freq. stability ? ?
Tuning steps ? Channelized

Receiver

RX-range ? 26.965-27.255 MHz
Modulations - AM  
Sensitivity ? 0.4 µV for 10 dB S/N
Selectivity ? 7 kHz @ -6 dB
21 kHz @ -60 dB
Filters ? ?
Receiver system ? Crystal controlled single conversion superheterodyne
IF-freqs. ? 455 kHz
Image rejection ? ?
Audio output ? 3 W

Transmitter

TX-range 3.5-30 MHz 26.965-27.255 MHz
Modulations AM   CW   SSB   AM  
RF-output SSB/CW: 1000 W, AM: 800 W (both input) 2.8 W

Connections

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

Electrical

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

Physical

Manufactured Between 1958 and 196x in USA Between 195x and 196x in USA
Dimensions 500 × 750 × 840 mm
(19.69 × 29.53 × 33.07 in)
143 × 178 × 290 mm
(5.63 × 7.01 × 11.42 in)
Weight 57.00 kg (125.8 lbs) 5.40 kg (11.9 lbs)
Form factor Base Station Base Station

Other features

Memories ? 10 channels in 1 bank(s)
Usage Amateur / Ham radio operators Citizen Band (27Mc)
Features ? ?
Accessories ? ?
MPN E.F.-JOHNSON-VIKING-THUNDERBOLT E.F.-JOHNSON-MESSENGER-II