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Erratum - Digital Audio Broadcasting Systems and their Impact on the Terrestrial Radio Broadcast Service

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Released: February 2, 2010

Federal Communications Commission

Before the

Federal Communications Commission

Washington, D.C. 20554

In the Matter of

Digital Audio Broadcasting Systems
MM Docket No. 99-325
And Their Impact on the Terrestrial
Radio Broadcast Service


Released: February 2, 2010

By the Chief, Media Bureau:
On January 29, 2010, the Media Bureau released an Order, DA 10-208, in the above-captioned
proceeding. This Erratum corrects § 73.404(a) located in the Final Rule Changes of Appendix C to read
as follows:
§ 73.404 Interim Hybrid IBOC DAB Operation.
(a) The licensee of an AM or FM station, or the permittee of a new AM or FM station which has
commenced program test operation pursuant to § 73.1620, may commence interim hybrid IBOC
DAB operation with digital facilities which conform to the technical specifications specified for
hybrid DAB operation in the First Report and Order in MM Docket No. 99-325, as revised in the
Media Bureau’s subsequent Order
in MM Docket No. 99-325.

FM stations are permitted to
operate with hybrid digital effective radiated power equal to one percent (-20 decibels below
carrier (dBc)) of authorized analog effective radiated power and may operate with up to ten
percent (-10 dBc) of authorized analog effective radiated power in accordance with the
procedures set forth in the Media Bureau’s Order

in MM Docket No 99-325.


AM or FM
station may transmit IBOC signals during all hours for which the station is licensed to broadcast.
William T. Lake, Chief
Media Bureau

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