Goto Section: 73.1540 | 73.1560 | Table of Contents

FCC 73.1545
Revised as of December 4, 2012
Goto Year:2011 | 2013
§  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.

   return arrow Back to Top


Goto Section: 73.1540 | 73.1560

Goto Year: 2011 | 2013
CiteFind - See documents on FCC website that cite this rule

Want to support this service?
Thanks!

Report errors in this rule. Since these rules are converted to HTML by machine, it's possible errors have been made. Please help us improve these rules by clicking the Report FCC Rule Errors link to report an error.
hallikainen.com
Helping make public information public