Sec.  73.816   Antennas.

   (a)  Permittees  and licensees may employ nondirectional antennas with
   horizontal  only  polarization,  vertical  only polarization, circular
   polarization or elliptical polarization.

   (b) Directional antennas will not be authorized and may not be utilized in
   the LPFM service, except as provided in paragraph (c) of this section.

   (c) Public safety and transportation permittees and licensees, eligible
   pursuant to  Sec. 73.853(a)(ii), may utilize directional antennas in connection
   with the operation of a Travelers' Information Service (TIS) provided each
   LPFM  TIS station utilizes only a single antenna with standard pattern
   characteristics that are predetermined by the manufacturer. In no event may
   composite antennas ( i.e. , antennas that consist of multiple stacked and/or
   phased discrete transmitting antennas) and/or transmitters be employed.

   (d) LPFM TIS stations will be authorized as nondirectional stations. The use
   of a directional antenna as provided for in paragraph (c) of this section
   will  not  be  considered  in the determination of compliance with any
   requirements of this part.

   [ 65 FR 67303 , Nov. 9, 2000]