47 C.F.R. § 73.1700 Broadcast day.
Title 47 - Telecommunication
The term broadcast day means that period of time between the station's sign-on and its sign-off. [43 FR 45849, Oct. 4, 1978]
Title 47: Telecommunication
PART 73—RADIO BROADCAST SERVICES
Subpart H—Rules Applicable to All Broadcast Stations
§ 73.1700 Broadcast day.