Complex sentence: He moved to WABC (AM) in September, 1965, known for his "Hello Luv... this is Ron Lundy from the Greatest City in the World," and remained at WABC up until its switch to Talkradio in May, 1982.
Split into simpler sentences: He moved to WABC (AM) in September, 1965. Ron remained at WABC up until its switch to Talkradio in May, 1982.