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HF Receiver
Desktop HF/VHF Receiver
Desktop VHF Transceiver

General

HAM bands 160m  80m  40m  20m  10m  ? 2m 
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 0.54-38.1 MHz in five bands 0.538-34 MHz in four bands 144-146 MHz
Modulations AM   CW   AM   CW   FM   CW   SSB  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? Crystal ?
Receiver system ? 8 tubes ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - - 144-146 MHz
Modulations - - FM   CW   SSB  
RF-output ? ? 0.5-10 W

Connections

Antenna - - SO-239
Impedance ? 52/600 Ω 50 Ω
Other - - -

Electrical

Power req. Mains Mains 13.8V DC or mains
Current RX ? ? ?
TX - - ?

Physical

Manufactured Between 1938 and 19xx in USA Between 1955 and 1958 Between 1976 and 1979 in Japan
Dimensions ? 476 × 229 × 273 mm
(18.74 × 9.02 × 10.75 in)
230 × 11 × 260 mm
(9.06 × 0.43 × 10.24 in)
Weight ? 13.00 kg (28.7 lbs) 7.20 kg (15.9 lbs)
Form factor Unknown Base Station Base Station

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-SX-000099 ICOM-IC-000201