Mo. Rev. Stat. § 185.205

As used in sections 185.200 to 185.230, the term "public television station" means a television broadcasting station operating as of January 1, 1980, under authority of Section 73.621 of the Federal Communications Commission rules and regulations as a noncommercial educational or public television station, owned and operated by a political subdivision of this state, an educational institution of this state, or by a not-for-profit corporation, accepting or broadcasting no commercial messages, and receiving all or part of its operating revenues from public funds, federal funds, donations or grants, or public subscriptions.