Code of Federal Regulations (alpha)

CFR /  Title 47  /  Part 74  /  Sec. 74.661 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

Frequency band (MHz) tolerance

(%)------------------------------------------------------------------------2,025 to 2,110............................................. \1\ 0.0052,450 to 2,483.5........................................... \2\ 0.0016,425 to 6,525............................................. 0.0056,875 to 7,125............................................. \1\ 0.00512,700 to 13,250........................................... \1\ 0.00517,700 to 18,820........................................... 0.00318,920 to 19,700........................................... 0.003------------------------------------------------------------------------\1\ Television translator relay stations shall maintain a frequency

tolerance of 0.002%.\2\ Stations licensed pursuant to an application filed before March 17,

2005, for tolerance values exceeding those specified above, may

continue to operate indefinitely in accordance with the terms of their

current authorizations, subject to periodic renewal. Existing

equipment and equipment of product lines in production before April

16, 2003, authorized via certification or verification before March

17, 2005, for tolerance values exceeding those specified above, may

continue to be manufactured and/or marketed, but may not be authorized

for use under station license except at stations licensed pursuant to

an application filed before March 17, 2005. Any non-conforming

equipment authorized under a station license, and replaced on or after

March 17, 2005, must be replaced by conforming equipment. [52 FR 7143, Mar. 9, 1987, as amended at 68 FR 12772, Mar. 17, 2003]