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Desktop Shortwave Transmitter
Desktop Shortwave Linear Amplifier
Electronic Clock

General

HAM bands 160m  80m  40m  20m  15m  10m  ? None 
Freq. stability ? ? -
Tuning steps Continuous ? -

Receiver

RX-range - ? None
Modulations - - -
Sensitivity ? ? -
Selectivity ? ? -
Filters ? ? -
Receiver system ? ? -
IF-freqs. ? ? -
Image rejection ? ? -
Audio output ? ? -

Transmitter

TX-range 160-10 m 3.5-30 MHz None
Modulations AM   CW   SSB   AM   CW   SSB   -
RF-output AM: 200 W, SSB/CW: 275 W 1000 W input (AM/CW/SSB) -

Connections

Antenna - - SO-239
Impedance 50/600Ω 50/500Ω
Other - - -

Electrical

Power req. Mains Mains Mains (120 / 240 V AC)
Current RX - ? 6.5 W
TX ? ? ?

Physical

Manufactured Between 1956 and 1962 in USA Between 1958 and 196x in USA Between 1975 and 197x in USA
Dimensions 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
500 × 750 × 840 mm
(19.69 × 29.53 × 33.07 in)
?
Weight 33.00 kg (72.8 lbs) 180.00 kg (397.1 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories None ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL and VFO ? Full six digits display
12 / 24 hour format
Backup battery
Automatic light sensor
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-VALIANT E.F.-JOHNSON-DESK-KILOWATT HEATHKIT-GC-001092D