[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: 47CFR24.235] [Page 238] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 24_PERSONAL COMMUNICATIONS SERVICES--Table of Contents Subpart E_Broadband PCS Sec. 24.235 Frequency stability. The frequency stability shall be sufficient to ensure that the fundamental emission stays within the authorized frequency block.