Upon investigation, the general assembly has determined that the rates, services and operations of radio common carriers are affected with a public interest, and it is hereby declared to be the policy of this state to provide fair regulation of such carriers in the interest of the public, to promote adequate, economical and efficient radio common carrier service to citizens and residents of this state; to provide just and reasonable rates and charges for radio common carrier services without unjust discrimination, undue preferences or advantages, or unfair or destructive competitive practices; to encourage and promote harmony between radio common carriers and their subscribers; to cooperate with other states and with the federal government in promoting and coordinating efforts to effectively regulate radio common carriers in the public interest; and to these ends, to vest authority in the Tennessee public utility commission to regulate radio common carriers generally and their rates, services and operations, in the manner and in accordance with the policies set forth in this chapter. This chapter shall not apply to operations of radio or television broadcast stations licensed and regulated by the federal communications commission.