# Digital Audio Broadcasting Systems and Their Impact on the Terrestrial Radio Broadcast Service
> **Federal Communications Commission** · Final rule. · Published 2002-12-23 · Effective 2003-01-22 · 67 FR 78193
## Document
- **Document number:** 02-32212
- **Category:** broadcasting
- **Federal Register citation:** 67 FR 78193
- **CFR reference:** 47 CFR 73
- **Publication date:** 2002-12-23
- **Effective date:** 2003-01-22
- **FCC docket:** MM Docket No. 99-325
## Abstract

In this proceeding the Commission selects in-band, on-channel (IBOC) as the sole digital technology for the terrestrial radio broadcast service. The Commission announces notification procedures that will allow AM and FM broadcasters to begin interim digital operations immediately using the IBOC systems developed by iBiquity Digital Corporation. Finally, the Commission concludes that adoption of a single IBOC transmission standard would be beneficial, and solicits industry assistance in the development of a formal standard.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/12/23/02-32212/digital-audio-broadcasting-systems-and-their-impact-on-the-terrestrial-radio-broadcast-service)
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