47 CFR 73.297 - FM stereophonic sound broadcasting.

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(a) An FM broadcast station may, without specific authority from the FCC, transmit stereophonic (biphonic, quadraphonic, etc.) sound programs upon installation of stereophonic sound transmitting equipment under the provisions of §§ 2.1001, 73.322, and 73.1590 of the Rules. Prior to commencement of stereophonic sound broadcasting, equipment performance measurements must be made to ensure that the transmitted signal complies with all applicable rules and standards.

(b) Each licensee or permittee engaging in multichannel broadcasting must measure the pilot subcarrier frequency as often as necessary to ensure that it is kept at all times within 2 Hz of the authorized frequency.

[48 FR 28454, June 22, 1983, and 48 FR 38479, Aug. 24, 1983]

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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
      GPO FDSys XML | Text
      FEDERAL COMMUNICATIONS COMMISSION
      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