Pittsburgh is home to the first commercial radio station in the United States, KDKA 1020AM, the first community-sponsored television station in the United States, WQED 13, the first "networked" television station and the first station in the country to broadcast 24 hours a day, 7 days a week, KDKA 2, and the first newspaper published west of the Allegheny Mountains, the Pittsburgh Post-Gazette. Wikipedia