47 CFR 74.761 - Frequency tolerance.

§ 74.761 Frequency tolerance.

The licensee of a low power TV, TV translator, or TV booster station shall maintain the transmitter output frequencies as set forth below. The frequency tolerance of stations using direct frequency conversion of a received signal and not engaging in offset carrier operation as set forth in paragraph (d) of this section will be referenced to the authorized plus or minus 10 kHz offset, if any, of the primary station.

(a) The visual carrier shall be maintained to within 0.02 percent of the assigned visual carrier frequency for transmitters rated at not more than 100 watts peak visual power.

(b) The visual carrier shall be maintained to within 0.002 percent of the assigned visual carrier frequency for transmitters rated at more than 100 watts peak visual power.

(c) The aural carrier of stations employing modulating equipment shall be maintained at 4.5 MHz ±1 kHz above the visual carrier frequency.

(d) The visual carrier shall be maintained to within 1 kHz of the assigned channel carrier frequency if the low power TV, TV translator, or TV booster station is authorized with a specified offset designation in order to provide protection under the provisions of § 74.705 or § 74.707.

[ 43 FR 1952, Jan. 13, 1978, as amended at 52 FR 31405, Aug. 20, 1987]

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United States Code

Title 47 published on 09-May-2017 04:29

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 47 CFR Part 74 after this date.

  • 2017-04-20; vol. 82 # 75 - Thursday, April 20, 2017
    1. 82 FR 18580 - Review of Foreign Ownership Policies for Broadcast, Common Carrier and Aeronautical Radio Licensees
      GPO FDSys XML | Text
      FEDERAL COMMUNICATIONS COMMISSION
      Final rule; announcement of effective date.
      This final rule is effective on April 20, 2017. The amendments to 47 CFR 1.5000 through 1.5004, 25.105, 73.1010 and 74.5, published at 81 FR 86586, December 1, 2016, are effective on April 20, 2017.
      47 CFR Parts 1, 25, 73, and 74