K6OJI 1939 Hawaii

Operator: Malcolm Bruce "Mage" Magers
Silent Key (1898-1996)

His calls: K6OJI, W0OJI, WA7ONW, 9DLT (post WW I); first on the air in 1910 with the call  letters "KS."
He manufactured crystals during World War I and was later president of Vesto Towers.

QSL from the estate of W7FXX
Info courtesy of W5KNE