[Code of Federal Regulations]

[Title 47, Volume 2]

[Revised as of October 1, 2004]

From the U.S. Government Printing Office via GPO Access

[CITE: 47CFR27.63]



[Page 391-392]

 

                       TITLE 47--TELECOMMUNICATION

 

                    CHAPTER I--FEDERAL COMMUNICATIONS

                         COMMISSION (CONTINUED)

 

PART 27_MISCELLANEOUS WIRELESS COMMUNICATIONS SERVICES--Table of Contents

 

                      Subpart C_Technical Standards

 

Sec. 27.63  Disturbance of AM broadcast station antenna patterns.



    AWS and WCS licensees that construct or modify towers in the 

immediate vicinity of AM broadcast stations are responsible for measures 

necessary to correct disturbance of the AM station antenna pattern which 

causes operation outside of the radiation parameters specified by the 

FCC for the AM station, if the disturbance occurred as a result of such 

construction or modification.

    (a) Non-directional AM stations. If tower construction or 

modification is planned within 1 kilometer (0.6 mile) of a non-

directional AM broadcast station tower, the AWS or WCS licensee must 

notify the licensee of the AM broadcast



[[Page 392]]



station in advance of the planned construction or modification. 

Measurements must be made to determine whether the construction or 

modification would affect the AM station antenna pattern. The AWS or WCS 

licensee is responsible for the installation and continued maintenance 

of any detuning apparatus necessary to restore proper non-directional 

performance of the AM station tower.

    (b) Directional AM stations. If tower construction or modification 

is planned within 3 kilometers (1.9 miles) of a directional AM broadcast 

station array, the AWS or WCS licensee must notify the licensee of the 

AM broadcast station in advance of the planned construction or 

modification. Measurements must be made to determine whether the 

construction or modification would affect the AM station antenna 

pattern. The AWS or WCS licensee is responsible for the installation and 

continued maintenance of any detuning apparatus necessary to restore 

proper performance of the AM station array.



[69 FR 5715, Feb. 6, 2004]