[Code of Federal Regulations] [Title 47, Volume 2] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR74.183] [Page 426] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 74_EXPERIMENTAL RADIO, AUXILIARY, SPECIAL BROADCAST AND OTHER PROGRAM Subpart A_Experimental Broadcast Stations Sec. 74.183 Station identification. Each experimental broadcast station shall make aural or visual announcements of its call letters and location at the beginning and end of each period of operation, and at least once every hour during operation. (Secs. 4, 303, 48 Stat., as amended, 1066, 1032; 47 U.S.C. 158, 303) [49 FR 32584, Aug. 15, 1984]