In today’s Boston.com: Postcards From The Edge: “Long before the Internet, ham radio operators built a buzzing web of communication around the world. Artist Cindy Bernard’s grandfather, Bill Adams, got his license to operate a ham radio in 1923 and kept in touch with operators in distant countries until his death in 1999. Each contact was confirmed with a postcard, called a QSL card – QSL is ham lingo for ‘I hear you.'”
[See also: Ham Radio And The Arts: “Silent Key”]