47 CFR 73.403
§ 73.403 Digital audio broadcasting service requirements.
United States · 47 CFR — Telecommunication · Status: effective
Cite this
- Citation
- 47 CFR 73.403, § 73.403 Digital audio broadcasting service requirements, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/236575
- Permanent ID
ys:prov:236575@1- SHA-256
37c75c2a9da05175bd47ab8501c9758dd2acdfe03297787fc043600de4df456d
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Broadcast radio stations using IBOC must transmit at least one over-the-air digital audio programming stream at no direct charge to listeners. In addition, a hybrid broadcast radio station must simulcast its analog audio programming on one of its digital audio programming streams. The DAB audio programming stream that is provided pursuant to this paragraph (a) must be at least comparable in sound quality with a standard analog broadcast.
(b) Emergency information. The emergency information requirements found in § 73.1250 shall apply to all free DAB programming streams.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.