The Code of Federal Regulations of the United States of America

appropriately reflected in the next application for renewal of license of the television auxiliary broadcast station filled by the licensee.

(c) Multiplexing equipment may be installed on any licensed television broadcast STL or intercity relay station without further authority of the Commission, provided that the Engineer in Charge of the radio district in which the station is located and the Commission in Washington, D.C., are promptly notified in writing of such addition and the use which will be made of the additional aural circuits, and that the changes are shown in the next application for renewal of license for the station.

TECHNICAL OPERATION AND OPERATORS § 74.661 Frequency tolerance.

(a) The licensee of a television auxiliary broadcast station shall maintain the operating frequency of its station so that the normal sideband energy shall fall within the assigned channel. If transmission is by asymmetrical sideband operation, suitable filters or other devices shall be employed to insure a minimum of radiated energy outside the assigned channel.

(b) Television STL stations operating on frequencies shown in § 74.603(b) shall maintain their operating frequency within 0.005 percent of the assigned frequency.

(c) Television translator relay stations shall maintain their operating frequency within 0.002 percent of the assigned frequencies.

[28 F.R. 13718, Dec. 14, 1963, as amended at 31 F.R. 15314, Dec. 7, 1966]

§ 74.662 Frequency monitors and meas

urements.

The licensee of a television auxiliary broadcast station shall provide means for measuring the operating frequency in order to insure that the emissions are confined to the authorized channel. The date and time of each frequency check, the frequency as measured and a description or identification of the method employed shall be entered in the station log.

§ 74.663 Station inspection.

The licensee of each television auxiliary broadcast station shall make the station available for inspection by representatives of the Commission at any reasonable hour.

§ 74.664 Station and operator licenses; posting of.

(a) The station license and any other instrument of authorization or individual order concerning the construction of the equipment or manner of operation of the station shall be posted so that all terms thereof are visible in a conspicuous place in the room in which the transmitter is located: Provided:

(1) If the transmitter operator is located at a distance from the transmitter pursuant to § 74.634, the station license shall be posted in the above-described manner at the operating position.

(2) If the station is licensed for mobile operation, the station license or a photo copy thereof shall be affixed to the equipment or kept in the possession of the operators on duty at the transmitter. If a photo copy is used, the original license shall be available for inspection by an authorized government representative.

(3) In cases where the transmitter is operated unattended pursuant to the provisions of § 74.635 the call sign of the unattended station and the name of the licensee, together with the call sign and location of the TV broadcast station (s) with which it operates as an auxiliary, shall be displayed at the transmitter site on the structure supporting the transmitting antenna so as to be visible to a person standing on the ground or other easily accessible point. The display shall be prepared so as to withstand normal weathering over a reasonable period of time and shall be maintained in a legible condition at all times. The station license and other documents referred to in this paragraph, shall be kept in the files of the television broadcast station with which it is licensed as an auxiliary.

(b) The original license of each station operator shall be posted at the place where he is on duty: Provided, however, That if the original license of a station operator is posted at another radio transmitting station in accordance with the rules governing that class of station and is there available for inspection by an authorized Commission representative, a duly issued verified statement (Form 759) may be posted at the television auxiliary broadcast station in lieu of such original license: And provided further, That if the television auxiliary broadcast station is licensed for mobile operation, a duly issued verification card

ation shall be performed by or under the immediate supervision and responsibility of a licensed operator as provided in § 74.665.

(b) The Commission may notify the licensee not to commence unattended operation, or to cancel, suspend, or change the date of the beginning of such operation as and when such action may appear to be in the public interest, convenience, and necessity.

[28 F.R. 13718, Dec. 14, 1963, as amended at 31 F.R. 15314, Dec. 7, 1966]

§ 74.636 Power limitations.

Television auxiliary broadcast stations will be licensed with a power output not in excess of that necessary to render satisfactory service. The license for these stations will specify the maximum authorized power. The operating power shall not be greater than necessary to carry on the service and in no event more than 10 percent above the maximum power specified. Engineering standards have not been established for these stations. The efficiency factor for the last radio stage of transmitters employed will be subject to individual determination but shall be in general agreement with values normally employed for similar equipment operated within the frequency range authorized. § 74.637 Emission and bandwidth.

(a) Television broadcast auxiliary stations operating on frequencies above 1000 Mc/s may be authorized to employ any type of emission suitable for the transmission of the visual and such accompanying aural signals as may be permitted under the rules of this subpart. Television translator relay stations will be authorized to use only amplitude modulation (A5) for the visual signal and frequency modulation (F3) for the aural signal, obtained by simple heterodyne frequency conversion of the signals of a television broadcast station. The electrical characteristics of the incoming signal shall not be significantly altered except as to frequency and amplitude.

(b) The channels assigned to television broadcast auxiliary stations are designated by upper and lower frequency limits. Emissions outside of these frequency limits shall be attenuated as follows:

(1) Any emission appearing on a frequency above the upper channel limit or below the lower channel limit by be

tween zero and 50 percent of the assigned channel width shall be attenuated at least 25 decibels below the level of the unmodulated carrier. Compliance with this specification will be deemed to show that the occupied bandwidth is no greater than the assigned channel width.

(2) Any emission appearing on a frequency above the upper channel limit or below the lower channel limit by between 50 percent and 150 percent of the assigned channel width shall be attenuated at least 35 decibels below the level of the unmodulated carrier.

(3) Any emission appearing on a frequency above the upper channel limit or below the lower channel limit by more than 150 percent of the assigned channel width shall be attenuated at least 43+10 log 10 (power, in watts) decibels below the level of the unmodulated carrier.

[28 F.R. 13718, Dec. 14, 1963, as amended at 31 F.R. 15314, Dec. 7, 1966]

(a) Commission authority, upon appropriate formal application (FCC Form 313) therefor, is required for any of the following equipment changes:

(1) A change of the transmitter as a whole (except replacement with an identical transmitter), or a change in the power output.

(2) A change of frequency assignment. (3) A change in the location of a television STL or television intercity relay station (except relocation of the equipment within the same building) or a change in the area of operation of a television pickup station.

(4) Any change in the antenna system of a television STL or television intercity relay station which will result in a change of more than 20 feet in the height above ground of the antenna and supporting structure, or that will result in a change of the direction of the main radiation lobe.

(b) Other equipment changes not specifically referred to above may be made at the discretion of the licensee provided that the Engineer in Charge of the radio district in which the station is located, and the Commission at Washington office, are notified in w upon the completion and provided tha

appropriately reflected in the next application for renewal of license of the television auxiliary broadcast station filed by the licensee.

(c) Multiplexing equipment may be installed on any licensed television broadcast STL or intercity relay station without further authority of the Commission, provided that the Engineer in Charge of the radio district in which the station is located and the Commission in Washington, D.C., are promptly notifiled in writing of such addition and the use which will be made of the additional aural circuits, and that the changes are shown in the next application for renewal of license for the station.

TECHNICAL OPERATION AND OPERATORS § 74.661 Frequency tolerance.

(b) Television STL stations operating on frequencies shown in § 74.603(b) shall maintain their operating frequency within 0.005 percent of the assigned. frequency.

(c) Television translator relay stations shall maintain their operating irequency within 0.002 percent of the assigned frequencies.

[28 F.R. 13718, Dec. 14, 1963, as amendes: 31 F.R. 15314, Dec. 7, 1966]

§ 74.662 Frequency monitors and me...

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(Form 758-F) attesting to the existence of such original license may be carried on the person of the operator in lieu of the posting of such license or verified statement.

NOTE: The term mobile as here used is intended to include any type of mobile operation.

[28 F.R. 13718, Dec. 14, 1963, as amended at 33 F.R. 415, Jan. 11, 1968; 33 FR.. 574, Jan. 17, 19681

§ 74.665

Operator requirements.

(a) One or more radio operators holding valid radiotelephone first-class or radiotelephone second-class operator licenses shall be on duty at the place where the transmitting apparatus of any television auxiliary broadcast station is located and in actual charge of its operation: Provided, however, That if a station is operated by remote control as provided in § 74.634, such operator or operators must be on duty at the control point in lieu of the transmitting location: And provided further, That, in case a station is operated unattended as provided in § 74.635 such an operator shall be on duty at the receiving end of the circuit and shall be responsible for the required observations and the proper operation of the station within the terms of its license.

(b) The licensed operator on duty and in charge of a television auxiliary broadcast station may, at the discretion of the licensee, be employed for other duties or for the operation of another station or stations in accordance with the class of operator license which he holds and the regulations governing such stations; however, such duties shall in nowise interfere with the operation of the television auxiliary broadcast station. (Sec. 318, 48 Stat. 1089, as amended; 47 U.S.C. 318) § 74.666

Painting and lighting of an

tenna structures.

The painting and lighting of antenna structures employed by the stations licensed under this subpart, where required, will be specified in the authorization issued by the Commission. Part 17 of this chapter set forth the conditions under which painting and lighting will be required and the responsibility of the licensee with regard thereto.

[33 F.R. 19821, Dec. 27, 1968]
§ 74.667 Additional orders.

In case the rules contained in this part do not cover all phases of operation or

(b) Entries required by § 17.49 of this chapter concerning daily observations of tower lights and quarterly inspections of the condition of the tower lights and associated control equipment and an entry when towers are cleaned or repainted as required by § 17.50 of this chapter.

[28 F.R. 13718, Dec. 14, 1963, as amended at 33 F.R. 19821, Dec. 27, 1968]

§ 74.682 Station identification.

(a) Each television broadcast auxiliary station shall transmit station identification at the beginning and end of each period of operation and at intervals of no more than 1 hour during operation, by one of the following means:

(1) Transmission of its own call sign by visual or aural means or by automatic transmission in international Morse telegraphy.

(2) Visual or aural transmission of the call sign of the TV broadcast station with which it is licensed as an auxiliary.

(3) Visual or aural transmission of the call sign of the TV broadcast station whose signals are being relayed or, where programs are obtained directly from network lines and relayed, the network identification.

(b) Identification transmissions during operation need not be made when to make such transmission would interrupt a single consecutive speech, play, religious service, symphony concert, or any type of production. In such cases, the identification transmission shall be made at the first interruption of the entertainment continuity and at the conclusion thereof.

tion it may transmit the network identification in lieu of its own or associated TV station call sign during the actual program pickup. However, if it is providing the network feed through its own associated TV broadcast station it shall perform the station identification required by paragraph (a) of this section at the beginning and end of each period of operation.

(d) A period of operation is defined as a single uninterrupted transmission or a series of intermittent transmissions from a single location or continuous or intermittent transmission from a television pickup station covering a single event from various locations, within a single broadcast day.

(e) Regardless of the method used for station identification it shall be performed in a manner conducive to prompt association of the signal source with the responsible licensee. In exercising the discretion provided by this rule, licensees are expected to act in a responsible manner to assure that result.

(f) Television translator relay stations are exempt from the requirements of this section. However, they shall transmit the call sign of the television broadcast station, the signals of which they are retransmitting.

[31 F.R. 15488, Dec. 8, 1966; 31 F.R. 452, Jan. 17, 1967]

EDITORIAL NOTE: Paragraph (f) added at 31 F.R. 15314, Dec. 7, 1966, and corrected at 31 F.R. 16151, Dec. 16, 1966, was inadvertently omitted from revised § 74.682, and is included here to complete text of the section. Subpart G-Television Broadcast Translator Stations

SOURCE: The provisions of this Subpart G appear at 28 F.R. 13722, Dec. 14, 1963, unless otherwise noted.

DEFINITIONS AND ALLOCATION OF
FREQUENCIES

§ 74.701 Definitions.

(a) Television broadcast translator station. A station in the broadcasting service operated for the purpose of retransmitting the signals of a television broadcast station, another television broadcast translator station, or a television translator relay station, by means of direct frequency conversion and amplification of the incoming signals without significantly altering any characteristic of the incoming signal other than its frequency and amplitude, for the purpose of providing television reception to the general public.

(b) Primary station. The television broadcasting station radiating the signals which are retransmitted by a television broadcast translator station.

(c) VHF translator. A television broadcast translator station operating on a VHF television broadcast channel. (d) UHF translator. A television broadcast translator station operating on a UHF television broadcast channel.

(e) UHF translator signal booster. A station in the broadcasting service operated for the sole purpose of retransmitting the signals of a UHF translator station by amplifying and reradiating such signals which have been received directly through space, without significantly altering any characteristic of the incoming signal other than its amplitude.

[28 F.R. 13722, Dec. 14, 1963, as amended at 31 F.R. 15315, Dec. 7, 1966]

§ 74.702

Frequency assignment.

(a) An applicant for a new television broadcast translator station or for changes in the facilities of an authorized station shall endeavor to select a channel on which its operation is not likely to cause interference to the reception of other stations. The application must be specific with regard to the frequency requested. Only one channel will be assigned to each station.

(b) (1) Any one of the 12 standard VHF channels (2-13 inclusive) may be assigned to a VHF translator on condition that no interference is caused to the direct reception by the public of the signals of any television broadcast station operating on the same or any adjacent channel. Channels 5 and 6 are allocated for nonbroadcast use in Alaska and Hawaii and will not be assigned to a VHF translator in those States.

(2) A VHF translator will also be authorized on any VHF assignment in the television Table of Assignments (§ 73.606(b) of this chapter) provided it has not been assigned to a television broadcast station and provided a transmitter power of 100 watts peak visual power is used in the listed city. Section 73.607(b) of this chapter will not be applicable to such assignments.

(c) (1) Any one of the 15 UHF channels from 55-69, inclusive, may be assigned to a UHF translator of up to and including 100 watts peak visual transmitter output power.

(2) The transmitter site of a UHF translator operating on a channel not listed in the television Table of Assign

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