47 C.F.R. § 73.4275 Tone clusters; audio attention-getting devices.
Title 47 - Telecommunication
See Public Notice, FCC 76–610, dated July 2, 1976. 60 FCC 2d 920; 41 FR 28582, July 12, 1976. [44 FR 36389, June 22, 1979]
Title 47: Telecommunication
PART 73—RADIO BROADCAST SERVICES
Subpart H—Rules Applicable to All Broadcast Stations
§ 73.4275 Tone clusters; audio attention-getting devices.
