EF Johnson Transmitter Model Match Box

Manufacturer: EF Johnson

Model Number: Match Box

Serial #:

Equipment Description: Transmitter

Label Write-up:
"Viking" series, 275 watts. It has a band switching antenna tuner included. 5 bands - 80. 40, 20, 15, & 10 meter (with SWR bridge for $10 more). SWR stands for Standing Wave Ratio. It measures the efficiency of the signal going to the antenna.

Dates Produced: mid to late 1950

Original Price: $50

The museum's inventory number: MRT-913

Located at Museum in: Ham Shack