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

General

HAM bands 80m  40m  20m  15m  6m  10m  ? ?
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range - 1.25-40 MHz 0.54-30 MHz
Modulations - AM   CW   AM   CW   SSB  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 + 6 m - -
Modulations AM   CW   - -
RF-output AM: 40 W, CW: 70 W ? ?

Connections

Antenna - Clamps / screws SO-239 + Clamps / screws
Impedance ? 100 Ω 50 Ω
Other - - -

Electrical

Power req. Mains Separate PSU Mains
Current RX - ? 120W
TX ? - -

Physical

Manufactured Between 196x and 196x in USA Between 1939 and 1945 in USA Between 1963 and 1972 in USA
Dimensions ? ? 483 × 267 × 330 mm
(19.02 × 10.51 × 12.99 in)
Weight ? 33.00 kg (72.8 lbs) 17.25 kg (38.1 lbs)
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 XTAL or external VFO ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-CHALLENGER HAMMARLUND-SP-000220-SX HAMMARLUND-HQ-000180AX