§ 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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