Goto Section: 22.352 | 22.355 | Table of Contents

FCC 22.353
Revised as of September 1, 2021
Goto Year:2020 | 2022
  §  22.353   Blanketing interference.

   Licensees of Public Mobile Services stations are responsible for
   resolving cases of blanketing interference in accordance with the
   provisions of this section.

   (a) Except as provided in paragraph (c) of this section, licensees must
   resolve any cases of blanketing interference in their area of
   responsibility caused by operation of their transmitter(s) during a
   one-year period following commencement of service from new or modified
   transmitter(s). Interference must be resolved promptly at no cost to
   the complainant.

   (b) The area of responsibility is that area in the immediate vicinity
   of the transmitting antenna of stations where the field strength of the
   electromagnetic radiation from such stations equals or exceeds 115
   dBµV/m. To determine the radial distance to the boundary of this area,
   the following formula must be used:
   eCFR graphic er17no94.007.gif

   View or download PDF

   where d is the radial distance to the boundary, in kilometers

   p is the radial effective radiated power, in kilowatts

   The maximum effective radiated power in the pertinent direction,
   without consideration of the antenna's vertical radiation pattern or
   height, must be used in the formula.

   (c) Licensees are not required to resolve blanketing interference to
   mobile receivers or non-RF devices or blanketing interference occurring
   as a result of malfunctioning or mistuned receivers, improperly
   installed consumer antenna systems, or the use of high gain antennas or
   antenna booster amplifiers by consumers.

   (d) Licensees that install transmitting antennas at a location where
   there are already one or more transmitting antennas are responsible for
   resolving any new cases of blanketing interference in accordance with
   this section.

   (e) Two or more licensees that concurrently install transmitting
   antennas at the same location are jointly responsible for resolving
   blanketing interference cases, unless the FCC can readily determine
   which station is causing the interference, in which case the licensee
   of that station is held fully responsible.

   (f) After the one year period of responsibility to resolve blanketing
   interference, licensees must provide upon request technical information
   to complainants on remedies for blanketing interference.


Goto Section: 22.352 | 22.355

Goto Year: 2020 | 2022
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