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Last modified 2023-02-10

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E.F.Johnson Viking Challenger

A picture of E.F.Johnson Viking Challenger

SPECIFICATIONS

GENERAL
Type:Amateur HF transmitter
Frequency range:10-80 m / 6 m
Tuning steps:Continuous (With external VFO option)
Frequency stability:? ppm
Mode:AM / CW
Channels / memory management:XTAL controlled
Power supply:Mains
Current drain / power consumption:Max ? VA
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




TRANSMITTER SECTION
RF output power:

Max pwr
AM:40 W
CW:70 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 1959-1965 (Discontinued)
Additional info:New price 1961 in the US: $154.75
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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