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Last modified 2010-11-04

Hallicrafters S-20R "Sky Champion"


This particular S-20R was used by the swedish spy Stig Wennerström
to receive instructions from his Soviet employers.

Type:HF/VHF receiver
Frequency range:0.55-44 MHz
Mode:AM/CW
Receiver system:Single conversion superheterodyne
IF: 455 KHz
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:Mains 110-120 VAC (110-250 VAC option)
Current drain:? A
Impedance:450 ohms?
Dimensions (W*H*D):470*216*238 mm
Weight:14.5 Kg
Manufactured:USA, 1939-1945 (Discontinued)
Other:9 tubes
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