Data / Federal rules / 2024-24105
Rules for FM Terrestrial Digital Audio Broadcasting Systems
The Federal Communications Commission published this final rule in the Federal Register on October 21, 2024. It took effect on November 20, 2024.
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What the agency says
In this document, the Federal Communications Commission (Commission) adopts rules to allow digital FM broadcast radio stations to operate with different power levels on the upper and lower digital sidebands, by notification to the Commission. The rule changes will facilitate greater digital FM radio coverage without interfering with adjacent-channel FM broadcast stations. The intended effect is to advance the broader adoption of digital FM broadcasting by authorizing digital FM broadcasters to implement such asymmetric sideband operation by simple notification to the Commission, rather than by requesting experimental authorization as is the current practice.
Key facts
- Document number
- 2024-24105
- Type
- Final rule
- Action
- Final rule
- Agency
- Federal Communications Commission
- Published
- October 21, 2024
- Takes effect
- November 20, 2024
- Dates
- This final rule is effective November 20, 2024, except for the amendments in instruction 4 (47 CFR 74.404) and instruction 5 (47 CFR 74.406), which are delayed indefinitely. The Commission will announce the effective date of the rule changes to 47 CFR 73.404 and 73.406 in the Federal Register.
- Docket
- MB Docket No. 22-405; FCC 24-105; FR ID 250466
- Code of Federal Regulations
- 47 CFR 73
- Topics
- Communications equipment; Radio; Reporting and recordkeeping requirements
- Pages
- 10
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Everything from the Federal Communications Commission · Rules on communications equipment · Rules on radio · Rules on reporting and recordkeeping requirements · Published in October 2024
Read from the Federal Register API, last updated 2026-10-24. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.