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Desktop Shortwave Transmitter
Desktop Shortwave Receiver
Antenna Directional Control Unit

General

HAM bands 160m  80m  40m  20m  15m  10m  80m  40m  20m  15m  10m  None 
Freq. stability ? ± 0.5 per 100 (± 0.5 kHz per MHz) -
Tuning steps ? ± 10 kHz kHz -

Receiver

RX-range - 80-10 m -
Modulations - AM   CW   -
Sensitivity ? 1 µV -
Selectivity ? ? -
Filters ? 5 xtals -
Receiver system ? Double conversion, 12 valves -
IF-freqs. ? 1st: 4.6 MHz
2nd: 467 kHz
-
Image rejection ? ≥ 70 dB -
Audio output ? 2.5 W -

Transmitter

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

Connections

Antenna - - -
Impedance ? 3.2 - 500Ω
Other - - dB-9 Serial

Electrical

Power req. Mains Mains Mains
Current RX - 90 W 3.0 A max
TX ? - ?

Physical

Manufactured Between 1949 and 1952 in USA Between 19xx and 19xx in Italy Between 19xx and 19xx in USA
Dimensions 530 × 285 × 380 mm
(20.87 × 11.22 × 14.96 in)
516 × 254 × 260 mm
(20.31 × 10.00 × 10.24 in)
?
Weight ? 12.45 kg (27.5 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 6 channels in bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features 11 tubes Noise limiter
S-meter
-
Accessories ? ? -
MPN E.F.-JOHNSON-VIKING-I GELOSO-G-000209 HY-GAIN-DCU-000001-PATHFINDER