47 CFR 73.1545 - Carrier frequency departure tolerances.

Status message

There are 19 Updates appearing in the Federal Register for 47 CFR 73. View below or at eCFR (GPOAccess)
§ 73.1545 Carrier frequency departure tolerances.
(a) AM stations. The departure of the carrier frequency for monophonic transmissions or center frequency for stereophonic transmissions may not exceed ±20 Hz from the assigned frequency.
(b) FM stations.
(1) The departure of the carrier or center frequency of an FM station with an authorized transmitter output power more than 10 watts may not exceed ±2000 Hz from the assigned frequency.
(2) The departure of the carrier or center frequency of an FM station with an authorized transmitter output power of 10 watts or less may not exceed ±3000 Hz from the assigned frequency.
(c) TV stations.
(1) The departure of the visual carrier frequency of a TV station may not exceed ±1000 Hz from the assigned visual carrier frequency.
(2) The departure of the aural carrier frequency of a TV station may not exceed ±1000 Hz from the actual visual carrier frequency plus exactly 4.5 MHz.
(d) International broadcast stations. The departure of the carrier frequency of an International broadcast station may not exceed 0.0015% of the assigned frequency on which the station is transmitting.
(e) Class A TV stations. The departure of the carrier frequency of Class A TV stations may not exceed the values specified in § 74.761 of this chapter. Provided, however, that Class A TV stations licensed to operate with a carrier offset, including those stations licensed with a maximum effective radiated power and/or antenna height greater than the values specified in their initial Class A TV station authorization, must comply with paragraph (c) of this section.
Note to paragraph (e):
At a date not later than nine months after release of the Memorandum Opinion and Order on Reconsideration in MM Docket No. 00-10 (the proceeding that established the Class A TV service), all licensed Class A stations must operate with a carrier frequency offset. See Memorandum Opinion and Order on Reconsideration, In the Matter of Establishment of a Class A Television Service, MM Docket No. 00-10, released April 13, 2001.
[44 FR 58734, Oct. 11, 1979; 44 FR 64408, Nov. 7, 1979, as amended at 47 FR 13165, Mar. 29, 1982; 65 FR 30004, May 10, 2000; 67 FR 21691, May 1, 2001]
Effective Date Note:
At 66 FR 21691, May 1, 2001, § 73.1545 was amended by revising and adding a note to paragraph (e). This paragraph contains information collection and recordkeeping requirements and will not become effective until approval has been given by the Office of Management and Budget.

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.

  • 2014-06-10; vol. 79 # 111 - Tuesday, June 10, 2014
    1. 79 FR 33118 - Radio Broadcasting Services; Various Locations
      GPO FDSys XML | Text
      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective June 10, 2014.
      47 CFR Part 73

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


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.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37705 - Incentive Auction Task Force Seeks Comment on Staff Analysis Regarding Pairwise Approach To Preserving Population Served
      GPO FDSys XML | Text
      FEDERAL COMMUNICATIONS COMMISSION
      Proposed rule; request for comments.
      Comments must be filed on or before July 2, 2014 and reply comments must be filed on or before July 22, 2014.
      47 CFR Parts 1, 27, and 73