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HF Receiver
Desktop HF/VHF Transmitter
Desktop Shortwave Transmitter

General

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

Receiver

RX-range 0.54-20 MHz - -
Modulations AM   CW   - -
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - 10-80m / 6m / 2m 80-10 m
160 m optional
Modulations - CW   AM   CW   SSB  
RF-output ? 50 W (input) 60 W

Connections

Antenna Clamps / screws Clamps / screws -
Impedance 100 Ω 50/500 Ω 50Ω
Other - - -

Electrical

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

Physical

Manufactured Between 1939 and 1945 in USA Between 194x and 194x in USA Between 1965 and 1968
Dimensions ? 203 × 305 × 203 mm
(7.99 × 12.01 × 7.99 in)
?
Weight 33.00 kg (72.8 lbs) 8.20 kg (18.1 lbs) ?
Form factor Unknown Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HAMMARLUND-SPR-000220-X HARVEY-WELLS-TBS-000050B-(BANDMASTER-JUNIOR) HAMMARLUND-HX-000050A