[Code of Federal Regulations] [Title 47, Volume 4] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR78.111] [Page 777] TITLE 47--TELECOMMUNICATION COMMISSION (CONTINUED) PART 78_CABLE TELEVISION RELAY SERVICE--Table of Contents Subpart D_Technical Regulations Sec. 78.111 Frequency tolerance. Stations in this service shall maintain the carrier frequency of each authorized transmitter to within the following percentage of the assigned frequency. ------------------------------------------------------------------------ Frequency tolerance --------------------- Frequency band (MHz) Fixed Mobile (percent) (percent) ------------------------------------------------------------------------ 1,990 to 2,110.................................... ......... 0.005 6,425 to 6,525.................................... ......... 0.005 6,875 to 7,125.................................... ......... 0.005 12,700 to 13,250 \1\.............................. 0.005 0.005 17,700 to 18,820.................................. 0.003 ......... 18,820 to 18,920.................................. 0.001 ......... 18,920 to 19,700.................................. 0.003 ......... ------------------------------------------------------------------------ \1\ Stations that employing vestigal sideband AM transmissions shall maintain their operating frequency within 0.0005% the visual carrier, and the aural carrier shall be 4.5 MHz+- 1 kHz above the visual carrier frequency. [52 FR 7145, Mar. 9, 1987, as amended at 68 FR 12776, Mar. 17, 2003]