Goto Section: 73.1540 | 73.1560 | Table of Contents
FCC 73.1545
Revised as of October 1, 2011
Goto Year:2010 |
2012
§ 73.1545 Carrier frequency departure tolerances.
(a) AM stations. The departure of the carrier frequency for monophonic
transmissions or center frequency for stereophonic transmissions may
not exceed +-20 Hz from the assigned frequency.
(b) FM stations. (1) The departure of the carrier or center frequency
of an FM station with an authorized transmitter output power more than
10 watts may not exceed +-2000 Hz from the assigned frequency.
(2) The departure of the carrier or center frequency of an FM station
with an authorized transmitter output power of 10 watts or less may not
exceed +-3000 Hz from the assigned frequency.
(c) TV stations. (1) The departure of the visual carrier frequency of a
TV station may not exceed +-1000 Hz from the assigned visual carrier
frequency.
(2) The departure of the aural carrier frequency of a TV station may
not exceed +-1000 Hz from the actual visual carrier frequency plus
exactly 4.5 MHz.
(d) International broadcast stations. The departure of the carrier
frequency of an International broadcast station may not exceed 0.0015%
of the assigned frequency on which the station is transmitting.
(e) Class A TV stations. The departure of the carrier frequency of
Class A TV stations may not exceed the values specified in § 74.761 of
this chapter. Provided, however, that Class A TV stations licensed to
operate with a carrier offset, including those stations licensed with a
maximum effective radiated power and/or antenna height greater than the
values specified in their initial Class A TV station authorization,
must comply with paragraph (c) of this section.
Note to paragraph (e): At a date not later than nine months after
release of the Memorandum Opinion and Order on Reconsideration in MM
Docket No. 00-10 (the proceeding that established the Class A TV
service), all licensed Class A stations must operate with a carrier
frequency offset. See Memorandum Opinion and Order on Reconsideration,
In the Matter of Establishment of a Class A Television Service, MM
Docket No. 00-10, released April 13, 2001.
[ 44 FR 58734 , Oct. 11, 1979; 44 FR 64408 , Nov. 7, 1979, as amended at
47 FR 13165 , Mar. 29, 1982; 65 FR 30004 , May 10, 2000; 67 FR 21691 , May
1, 2001]
Effective Date Note: At 66 FR 21691 , May 1, 2001, § 73.1545 was
amended by revising and adding a note to paragraph (e). This paragraph
contains information collection and recordkeeping requirements and will
not become effective until approval has been given by the Office of
Management and Budget.
Goto Section: 73.1540 | 73.1560
Goto Year: 2010 |
2012
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