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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Desktop Shortwave receiver

General

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

Receiver

RX-range - 10/20/40/80/160 m 0.3-30 MHz
Modulations - AM   CW   AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 160-10 m - -
Modulations AM   CW   SSB   - -
RF-output AM: 200 W, SSB/CW: 275 W ? ?

Connections

Antenna - - -
Impedance 50/600Ω 50Ω 50 Ω
Other - - -

Electrical

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

Physical

Manufactured Between 1956 and 1962 in USA Between 19xx and 19xx in USA Between 1938 and 1945 in USA
Dimensions 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
? ?
Weight 33.00 kg (72.8 lbs) ? ?
Form factor Base Station Base Station Base Station

Other features

Memories None None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL and VFO ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-VALIANT NATIONAL-COMPANY-NC-000101X NATIONAL-COMPANY-NC-000100A