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HF Receiver
Desktop HF/VHF Receiver
Mobile HF/VHF Receiver

General

HAM bands 160m  80m  40m  20m  10m  ? ?
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 0.54-38.1 MHz in five bands 0.54-32 MHz in four bands 0.15-0.4 / 0.525-1.61 / 3.2-30 / 88-108 MHz
Modulations AM   CW   AM   CW   AM   W-FM   CW   SSB  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? 5 tubes ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna - - Built-in sweep
Impedance ? ? ?
Other - - -

Electrical

Power req. Mains Mains (AC or DC) Mains or 9V DC (6LR20 / D)
Current RX ? ? ?
TX - - -

Physical

Manufactured Between 1938 and 19xx in USA Between 1949 and 195x in USA Between 1978 and 1979 in Japan
Dimensions ? 330 × 178 × 184 mm
(12.99 × 7.01 × 7.24 in)
381 × 246 × 120 mm
(15.00 × 9.69 × 4.72 in)
Weight ? ? 3.90 kg (8.6 lbs)
Form factor Unknown Base Station Mobile

Other features

Memories None ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Separate speaker. S-meter option ? ?
Accessories ? ? ?
MPN HALLICRAFTERS-S-000018-SKY-CHALLENGER-II HALLICRAFTERS-S-000038A NATIONAL-/-PANASONIC-DR-000029