47 C.F.R. § 23.16 Frequency tolerances.
Title 47 - Telecommunication
(a) The frequency tolerance for stations in the International Fixed Public Radiocommunications Services shall be maintained as prescribed in the following table: (b) Until September 19, 1975, the frequency tolerance of transmitters installed at stations in these services before September 19, 1973, and operating within the frequency bands set forth below, shall be maintained within the following limits: [38 FR 27386, Oct. 3, 1973]
Title 47: Telecommunication
PART 23—INTERNATIONAL FIXED PUBLIC RADIOCOMMUNICATION SERVICES
Fixed Public Services
§ 23.16 Frequency tolerances.
------------------------------------------------------------------------ Tolerances applicable to new transmitters installed after September 19, 1973, and to all Frequency range transmitters after September 19, 1975 ----------------------- Parts per Percent million------------------------------------------------------------------------10 to 50 kHz.................................... .1 100050 to 535 kHz................................... .02 2001605 to 30,000 kHz.............................. .0015 1530 to 50 MHz.................................... .002 2050 to 000 MHz................................... .0005 51000 to 1850 MHz................................ .001 101850 to 1990 MHz................................ .02 2001990 to 2500 MHz................................ .001 102500 to 10,500 MHz.............................. .03 30010,500 to 40,000 MHz............................ .05 500------------------------------------------------------------------------
------------------------------------------------------------------------ Tolerance Frequency range (percent)------------------------------------------------------------------------10 to 50 kHz................................................ 0.150 to 535 kHz............................................... 0.021605 to 30000 kHz........................................... 0.003Above 30 MHz................................................ (\1\)------------------------------------------------------------------------\1\ As set forth in the radio station license.