§  97.121   Restricted operation.

   (a) If the operation of an amateur station causes general interference
   to the reception of transmissions from stations operating in the
   domestic broadcast service when receivers of good engineering design,
   including adequate selectivity characteristics, are used to receive
   such transmissions, and this fact is made known to the amateur station
   licensee, the amateur station shall not be operated during the hours
   from 8 p.m. to 10:30 p.m., local time, and on Sunday for the additional
   period from 10:30 a.m. until 1 p.m., local time, upon the frequency or
   frequencies used when the interference is created.

   (b) In general, such steps as may be necessary to minimize interference
   to stations operating in other services may be required after
   investigation by the FCC.

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Subpart C—Special Operations

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