CTN Provides multimedia resources and programming to serve public interests and strengthen the fabric of the Ann Arbor community. Since 1973, CTN has delivered on its mission by providing free television production workshops to residents and non-profit organizations and has created local cable programming about the Ann Arbor community. CTN is one of the oldest access television operations in the country. Today, CTN’s eight staff members offer a variety of media workshops, training and local programming on Comcast cable channels 16, 17, 18 and 19, AT&T 99, live online streaming and video on demand content.