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HF Transmitter | 100 W
Desktop VHF Transmitter
Communications receiver

General

HAM bands 80m  40m  20m  15m  10m  80m  40m  20m  15m  10m  6m 
Freq. stability ? ? ≤ 0.5 %
Tuning steps ? ? ?

Receiver

RX-range - - 620-205 m / 1.4-3.8 / 3.7-10.6 / 10.5-30.6 MHz
Modulations - - AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? External speaker or headphones required

Transmitter

TX-range 80-10 m 80-10 m -
Modulations AM   CW   SSB   AM   CW   SSB   -
RF-output AM: 50 W, SSB/CW: 100 W SSB/CW: 90 W, AM: 35 W ?

Connections

Antenna - - Clamps / screws
Impedance ? 50Ω 70/80Ω
Other - - -

Electrical

Power req. Mains (internal PSU) Mains Mains (100-125 or 200-250 V AC)
Current RX - - 45 W
TX ? ? -

Physical

Manufactured Between 1960 and 1963 in USA Between 1956 and 1959 in USA Between 1950 and 195x in Great Britain
Dimensions 292 × 530 × 445 mm
(11.50 × 20.87 × 17.52 in)
533 × 292 × 420 mm
(20.98 × 11.50 × 16.54 in)
?
Weight 25.00 kg (55.2 lbs) 27.70 kg (61.1 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Military communication
Features VFO
Internal power supply
Final Tube(s): 2ea. 6146 parallel
SSB Method: Crystal Filter (9 MHz)
VFO BFO
S-meter socket
Accessories ? ? ?
MPN E.F.-JOHNSON-INVADER E.F.-JOHNSON-PACEMAKER EDDYSTONE-000740