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

   (c)(1) Public safety and transportation permittees and licensees,
   eligible pursuant to § 73.853(a)(2), 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. Public safety and transportation permittees and licensees
   may not use composite antennas (i.e., antennas that consist of multiple
   stacked and/or phased discrete transmitting antennas).

   (2) LPFM permittees and licensees proposing a waiver of the
   second-adjacent channel spacing requirements of § 73.807 may utilize
   directional antennas for the sole purpose of justifying such a waiver.

   (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, as amended at  78 FR 2106 , Jan. 9, 2013]

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