KDKA

KDKA is one of the earliest commercial radio stations in the United States, based in Pittsburgh, Pennsylvania. It began broadcasting in 1920 and is renowned for its historic significance, including broadcasting the first scheduled commercial radio program. KDKA helped pioneer the use of radio to connect people with news, entertainment, and information, demonstrating radio's potential as a mass communication tool. Its call letters, KDKA, are often associated with the birth of commercial radio broadcasting, making it a key player in the development of modern broadcast media.