Harold Sowers QSL Card, San Francisco, 1936, Radio Communication

This QSL postcard, sent by Harold Sowers from San Francisco, California, is a fascinating piece of radio communication history. The front of the card prominently features the call sign 'W6AJN' in bold red letters, accompanied by a green eagle graphic. The card details a radio contact with W9FOQ on May 12, 1936, at 7 PM PST, with additional technical specifications of the transmitter and receiver used. The handwritten remark reads, 'Very happy to QSO. Will u plse QSL? 73 Hal.'

The back of the card is postmarked from San Francisco, California, on June 4, 1936, and is addressed to Carl D. Strauss in Redfield, South Dakota. It bears a 1-cent green Benjamin Franklin stamp, which is typical for the era. The card is in good condition with some minor discoloration and a small stain on the lower left corner. This postcard documents the early days of amateur radio communication, showcasing the technical details and personal connections made through this hobby. Surviving examples provide valuable insights into the social customs and technological advancements of the 1930s.