QSL Cards : The earliest reference seems to be a card sent in 1916 from 8VX in Buffalo, New York to 3TQ in Philadelphia, Pennsylvania. Now the standardized card with callsign, frequency, date, etc. may have been developed in
Answer B… The standardized card with call sign, frequency, date, etc. may have been developed in 1919 by C.D. Hoffman, 8UX, in Akron, Ohio. In Europe, W.E.F. “Bill” Corsham, 2UV, first used a QSL when operating from Harlesden, England in 1922.
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