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E.F.Johnson Challenger

Type: Amateur HF/VHF transmitter
Frequency Range: 10-80 m/6 m
Mode: AM/CW
RF Power output: AM: 40 W
CW: 70 W
Voltage: Mains
Current Drain: ?
Aerial Input: ? ohms
Dimensions (W*H*D): ? mm
Weight: ? Kg
Manufactured: USA, 196x-196x
Other: XTAL or external VFO
New price 1961: $154.75
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