E.F. Johnson Viking Mobile

Desktop Shortwave Transmitter

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The Viking Mobile is crystal controlled, and was sold as a an under-dash mobile transmitter in the 1950s. It uses seven vacuum tubes with an 807 final amplifier, modulated by a pair of push-pull 807s. It uses an external dynamotor power supply, and yes, the rare companion dynamotor is included with this transmitter. It supplies 400V and 800V DC for the transmitter. This unit is either factory wired, or it was done as a kit by an expert.
New price 1952 in the US: $99.50

Frequency range

RX-range
-
TX-range
80/20/10 m
HAM bands
?
Stability
?
Tuning steps
?
Filters
?

Receiver

Modulations
-
Sensitivity
?
Selectivity
?
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

Modulations
AM  
RF-Output
30-60 W

Connections

Antenna
-
Impedance
?

Electrical

Power requirements
Mains
Current drain RX
-
TX
?

Physical

Dimensions (w×h×d)
165 × 178 × 260 mm (6.50 × 7.01 × 10.24 in)
Weight
6.80 kg (15.0 lbs)
Form factor
Base Station
Manufactured
Between 1952 and 19xx in USA
MPN
E.F.-JOHNSON-VIKING-MOBILE

Other features

Memories
?
Usage
Amateur / Ham radio operators
Features + options
4 × XTAL selector (VFO option), 807 final.
Accessories
?

Manuals, diagrams and brochures

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