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HF Receiver
Desktop HF/VHF Receiver
HF Transmitter

General

HAM bands 160m  80m  40m  20m  10m  ? 80m  40m  20m  15m  10m 
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 0.54-38.1 MHz in five bands 0.535-108 MHz -
Modulations AM   CW   AM   FM   -
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? 15 tubes ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - - 10-80 m
Modulations - - CW  
RF-output ? ? 100 W

Connections

Antenna - - -
Impedance ? ? 50 Ω
Other - - -

Electrical

Power req. Mains Mains (105-125 V AC) ?
Current RX ? 1.4 A -
TX - - ?

Physical

Manufactured Between 1938 and 19xx in USA Between 1947 and 19xx in USA Between 1979 and 19xx
Dimensions ? ? ?
Weight ? ? ?
Form factor Unknown Base Station Unknown

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-000047 HEATHKIT-HX-001681