Hallicrafters S-20 Sky Champion

Desktop HF/VHF Receiver

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The S-20 was introduced in 1938 and replaced by the much more common Hallicrafters S-20R Sky Champion in 1939. During the single year of production only a limited number where manufactured, making this a rare receiver these days. The S-20 features mechanical bandspread using the center dial as bandspread scale. Frequency range covers 540-1800 kHz / 1.7-5.75 / 5.62-18.4 and 17-44 MHz. Original price in 1938: USD 49.50.

Frequency range

RX-range
540 kHz - 44 MHz in 4 bands.
TX-range
-
HAM bands
?
Stability
?
Tuning steps
?
Filters
?

Receiver

Modulations
AM   CW  
Sensitivity
?
Selectivity
?
Receiver system
Single conversion, 8 tubes
IF-frequencies
455 kHz
Image rejection
?
Audio output
?

Transmitter

Modulations
-
RF-Output
?

Connections

Antenna
-
Impedance
?

Electrical

Power requirements
Mains
Current drain RX
?
TX
-

Physical

Dimensions (w×h×d)
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Weight
?
Form factor
Base Station
Manufactured
Between 1938 and 1939 in USA
MPN
HALLICRAFTERS-S-000020-SKY-CHAMPION

Other features

Memories
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Usage
Amateur / Ham radio operators
Features + options
?
Accessories
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Manuals, diagrams and brochures

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