EF Johnson Transmitter Model Challenger

Manufacturer: EF Johnson

Model Number: Challenger

Serial #:

Equipment Description: Transmitter

Label Write-up:
"Viking" series. 6 bands - 80, 40, 20, 15, 10, 6 meters. 70 watts AM, 120 watts CW (morse code). Crystal or external VFO control. Kit was $125 and Factory-built was $170. VFO is Variable Frequency Oscillator which sets the tuning frequency.

Dates Produced: mid 1960's

Original Price: $170

The museum's inventory number: MRT-914

Located at Museum in: Ham Shack