Sec.  101.119   Simultaneous use of common antenna structures.

   The simultaneous use of common antenna structures by more than one radio
   station, or by one of more domestic public radio stations and one or more
   stations of any other class or service, may be authorized: provided,
   however, that each licensee or user of any such structure is responsible for
   maintaining the structure, and for painting and illuminating the structure
   when obstruction marking is required by the Commission. (See  Sec. 101.21(a).)