1AW 1923 Hartford, CT.

Notice Hiram Percy Maxim's signature and hand writing!

Hiram Percy Maxim was an American radio pioneer and inventor, and co-founder of the American Radio Relay League.
He originally had the amateur call signs SNY, 1WH, 1ZM, 1AW, and later W1AW, which is now the ARRL Headquarters club station call sign.
Born: September 2, 1869, Brooklyn, NY, SK on February 17, 1936, La Junta, CO.

SWL Report to 9DCT, Harvey Schroeder

Courtesy of NI0B