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]

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United States Code

Title 47 published on 2015-10-01

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

  • 2015-12-02; vol. 80 # 231 - Wednesday, December 2, 2015
    1. 80 FR 75431 - Expanding the Economic and Innovation Opportunities of Spectrum Through Incentive Auctions
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      Final rule; announcement of effective date.
      47 CFR 1.2204(a), (c), (d)(3), and (d)(5) and 73.3700(h)(4) and (6) and FCC Form 177, Application to Participate in a Reverse Incentive Auction, published at 79 FR 48442, August 15, 2014, are effective on December 2, 2015.
      47 CFR Parts 1 and 73