§ 78.113   Frequency monitors and measurements.

   (a) The licensee of each CARS station shall employ a suitable procedure
   to determine that the carrier frequency of each transmitter is
   maintained within the tolerance prescribed in § 78.111 at all times. The
   determination shall be made, and the results thereof entered in the
   station records: when a transmitter is initially installed; when any
   change is made in a transmitter which may affect the carrier frequency
   or the stability thereof; or in any case at intervals not exceeding one
   year.

   (b) The choice of apparatus to measure the operating frequency is left
   to the discretion of the licensee. However, failure of the apparatus to
   detect departures of the operating frequency in excess of the
   prescribed tolerance will not be deemed an acceptable excuse for the
   violation.

   [ 37 FR 3292 , Feb. 12, 1972, as amended at  41 FR 29696 , July 19, 1976;
    50 FR 23422 , June 4, 1985]

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