sentences:  A national radio network may have local studios or affiliates who opt-out at various times to present local programs and content.In the late-1950s, many of the early Australian television series such as "Melbourne Magazine" (1957), Sydney Tonight (1956-1959), and "TV Talent Scout" (1957-1958) were broadcast in only a single city.In Canada, historically local television stations produced a significant volume of local programming, including newscasts, locally or regionally oriented talk shows, and variety entertainment programs such as "Tiny Talent Time" or "Homegrown Cafe"; a few stations, most notably CHCH-TV in Hamilton, Ontario, also distributed some of their local programming more widely through television syndication.