47 CFR 73.816 - Antennas.

§ 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.


(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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