47 CFR 73.1540 - Carrier frequency measurements.

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§ 73.1540 Carrier frequency measurements.
(a) The carrier frequency of each AM and FM station and the visual carrier frequency and the difference between the visual carrier and the aural carrier or center frequency of each TV and Class A TV station shall be measured or determined as often as necessary to ensure that they are maintained within the prescribed tolerances.
(b) In measuring the carrier frequency, the licensee may use any method or procedure that has sufficient precision to establish that the carrier frequency is within the prescribed departure limits.
(c) The primary standard of frequency for radio frequency measurements is the standard frequency maintained by the National Bureau of Standards or the standard signals of Stations WWV, WWVB, and WWVH of the National Bureau of Standards.
[43 FR 32783, July 28, 1978, as amended at 48 FR 44805, Sept. 30, 1983; 65 FR 30004, May 10, 2000]

Title 47 published on 2013-10-01

The following are only the Rules published in the Federal Register after the published date of Title 47.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-11-20; vol. 79 # 224 - Thursday, November 20, 2014
    1. 79 FR 69057 - Radio Broadcasting Services; Altamont, Oregon
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      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective November 20, 2014, and applicable November 11, 2013.
      47 CFR Part 73

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United States Code

Title 47 published on 2013-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 47 CFR 73 after this date.

  • 2014-11-20; vol. 79 # 224 - Thursday, November 20, 2014
    1. 79 FR 69057 - Radio Broadcasting Services; Altamont, Oregon
      GPO FDSys XML | Text
      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective November 20, 2014, and applicable November 11, 2013.
      47 CFR Part 73