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Desktop Shortwave Transmitter
Desktop HF/VHF Receiver
Desktop HF/VHF Receiver

General

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

Receiver

RX-range - 0.55-43 MHz in four bands 0.5-35 MHz
Modulations - AM   CW   AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? 7 tubes ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 160-10 m - -
Modulations AM   CW   - -
RF-output CW: 115 W, AM: 100 W ? ?

Connections

Antenna - - -
Impedance ? ? 50/75 Ω
Other - - -

Electrical

Power req. Mains Mains Mains
Current RX - ? ?
TX ? - -

Physical

Manufactured Between 1949 and 1952 in USA Between 1948 and 19xx in USA Between 1948 and 1950 in USA
Dimensions 530 × 285 × 380 mm
(20.87 × 11.22 × 14.96 in)
470 × 241 × 216 mm
(18.50 × 9.49 × 8.50 in)
?
Weight ? ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features 11 tubes ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-I HALLICRAFTERS-S-000052 NATIONAL-COMPANY-NC-000033