scope:

The limits in this publication are designed to provide protection for frequency modulation, amplitude modulation and television broadcast receivers used in buildings. As a result, broadcast receivers used out-of doors and receivers of other radio services may not be protected by the limits specified. This publication applies to the radiation of electromagnetic energy which may cause interference to radio reception and which is emitted from: a) vehicles propelled by an internal combustion engine, electrical means or both; b) motor boats propelled by an internal combustion engine, electrical means or both; c) devices equipped with spark-ignited internal combustion engines. This publication does not apply to aircraft, railway traction systems, or to incomplete vehicles.