N.H. Rev. Stat. Ann. § 507-A:3

If any defamatory statement or matter is published or uttered in or as a part of a broadcast over the facilities of a network of visual or sound radio broadcasting stations, the owner, licensee or operator of any such station or network of stations, and the agents or employees thereof, other than the owner, licensee or operator of the station or network of stations originating such broadcasts, and the agents or employees thereof, shall in no event be liable for any damages for any such defamatory statement or matter.