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Desktop Shortwave Linear Amplifier
Desktop Shortwave Antenna tuner
Dual VHF Power Meter

General

HAM bands ? ? 6m  2m  4m 
Freq. stability ? ? ?
Tuning steps ? N/A N/A

Receiver

RX-range ? ? 50-175 MHz
Modulations - - All mode  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 3.5-30 MHz ? 50-175 MHz
Modulations AM   CW   SSB   - All mode  
RF-output SSB/CW: 1000 W, AM: 800 W (both input) ? ?

Connections

Antenna - SO-239 SO-239
Impedance 50/500Ω 50Ω 50Ω
Other - - -

Electrical

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

Physical

Manufactured Between 1958 and 196x in USA Between 19xx and 19xx in Brazil Between 1979 and 1983 in USA
Dimensions 500 × 750 × 840 mm
(19.69 × 29.53 × 33.07 in)
? 191 × 108 × 165 mm
(7.52 × 4.25 × 6.50 in)
Weight 57.00 kg (125.8 lbs) ? 1.40 kg (3.1 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 ? ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-THUNDERBOLT DELTA-000510 HEATHKIT-HM-002141