Tower of W3XE In June of 1940, W3XE (later WPTZ and now known as KYW-TV) televised the entire National Convention of the Republican Party. There were a thousand delegates and an equal amount of alternates. The event was held in Philadelphia (1940 population was 1,931,334 people) and channel 3, owned by Philco, broadcast a total of 62 hours of coverage. It was the first television station in the history of the world to televise local, non-network reporting of a national political convention. For more information on the 1940 GOP Convention, click here.