The group's principal activity is to own and operate tv stations across several geographic markets. six of the stations are affiliated with american broadcasting companies, inc. (abc), three are affiliated with cbs inc., one is affiliated with national broadcasting company, inc. and two are independent stations. each of the company's stations is owned and operated by a direct or indirect subsidiary. local television accounted for 60% of 2001 revenues; National television, 33%; Network compensation, 4%; Political advertising, 1% and production and other revenues,