DU7SV 1953 The Philippines
DU7SV (in 1960) with his 75A4, Central Electronics 20A SSB exciter, and Halicrafters BC610.
Volt Sotto DU7SV in 1958 runs 400 watts to a cubical quad. He is a teacher of electricity and electronics at Concord Technical Institute in Cebu City.
QSL courtesy of KB4SAD
1st Photo courtesy of John Roberts VK4TL
1958 Photo from Don Chesser W4KVX DX Bulletin #46, Sept. 30, 1958
Photo sent to Bulletin by K6ENL