Goto Section: 22.365 | 22.377 | Table of Contents

FCC 22.371
Revised as of October 1, 2009
Goto Year:2008 | 2010
  §  22.371   Disturbance of AM broadcast station antenna patterns.

   Public Mobile Service 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 Public Mobile Service 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 affected the AM station
   antenna pattern. The Public Mobile Service 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 Public Mobile Service 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 affected the AM station
   antenna pattern. The Public Mobile Service licensee is responsible for
   the installation and continued maintenance of any detuning apparatus
   necessary to restore proper performance of the AM station array.


Goto Section: 22.365 | 22.377

Goto Year: 2008 | 2010
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