[Code of Federal Regulations] [Title 47, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR23.19] [Page 211] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 23_INTERNATIONAL FIXED PUBLIC RADIOCOMMUNICATION SERVICES--Table of Contents Sec. 23.19 Use of directional antennas. Insofar as is practicable, directional antennas, of type consistent with the current state of art, shall be used on all circuits for both transmitting and receiving. [38 FR 22480, Aug. 21, 1973]