47 CFR Part 73
PART 73—RADIO BROADCAST SERVICES
- PART 73—RADIO BROADCAST SERVICES
- Chapter I—Federal Communications Commission › Subchapter C—Broadcast Radio Services
- Subpart A—AM Broadcast Stations
- § 73.1 Scope.
- § 73.14 AM broadcast definitions.
- § 73.21 Classes of AM broadcast channels and stations.
- § 73.23 AM broadcast station applications affected by international agreements.
- § 73.24 Broadcast facilities; showing required.
- § 73.25 Clear channels; Class A, Class B and Class D stations.
- § 73.26 Regional channels; Class B and Class D stations.
- § 73.27 Local channels; Class C stations.
- § 73.28 Assignment of stations to channels.
- § 73.29 Class C stations on regional channels.
- § 73.30 Petition for authorization of an allotment in the 1605-1705 kHz band.
- § 73.31 Rounding of nominal power specified on applications.
- § 73.33 Antenna systems; showing required.
- § 73.35 Calculation of improvement factors.
- § 73.37 Applications for broadcast facilities, showing required.
- § 73.44 AM transmission system emission limitations.
- § 73.45 AM antenna systems.
- § 73.49 AM transmission system fencing requirements.
- § 73.51 Determining operating power.
- § 73.53 Requirements for authorization of antenna monitors.
- § 73.54 Antenna resistance and reactance measurements.
- § 73.57 Remote reading antenna and common point ammeters.
- § 73.61 AM directional antenna field strength measurements.
- § 73.62 Directional antenna system operation and tolerances.
- § 73.68 Sampling systems for antenna monitors.
- § 73.69 Antenna monitors.
- § 73.72 Operating during the experimental period.
- § 73.88 Blanketing interference.
- § 73.99 Presunrise service authorization (PSRA) and postsunset service authorization (PSSA).
- § 73.127 Use of multiplex transmission.
- § 73.128 AM stereophonic broadcasting.
- § 73.132 Territorial exclusivity.
- § 73.150 Directional antenna systems.
- § 73.151 Field strength measurements to establish performance of directional antennas.
- § 73.152 Modification of directional antenna data.
- § 73.153 Field strength measurements in support of applications or evidence at hearings.
- § 73.154 AM directional antenna partial proof of performance measurements.
- § 73.155 Directional antenna performance recertification.
- § 73.157 Antenna testing during daytime.
- § 73.158 Directional antenna monitoring points.
- § 73.160 Vertical plane radiation characteristics, f(θ).
- § 73.182 Engineering standards of allocation.
- § 73.183 Groundwave signals.
- § 73.184 Groundwave field strength graphs.
- § 73.185 Computation of interfering signal.
- § 73.186 Establishment of effective field at one kilometer.
- § 73.187 Limitation on daytime radiation.
- § 73.189 Minimum antenna heights or field strength requirements.
- § 73.190 Engineering charts and related formulas.
- Subpart B—FM Broadcast Stations
- § 73.201 Numerical designation of FM broadcast channels.
- § 73.202 Table of Allotments.
- § 73.203 Availability of channels.
- § 73.204 International agreements and other restrictions on use of channels.
- § 73.205 Zones.
- § 73.207 Minimum distance separation between stations.
- § 73.208 Reference points and distance computations.
- § 73.209 Protection from interference.
- § 73.210 Station classes.
- § 73.211 Power and antenna height requirements.
- § 73.212 Administrative changes in authorizations.
- § 73.213 Grandfathered short-spaced stations.
- § 73.215 Contour protection for short-spaced assignments.
- § 73.220 Restrictions on use of channels.
- § 73.232 Territorial exclusivity.
- § 73.267 Determining operating power.
- § 73.277 Permissible transmissions.
- § 73.293 Use of FM multiplex subcarriers.
- § 73.295 FM subsidiary communications services.
- § 73.310 FM technical definitions.
- § 73.311 Field strength contours.
- § 73.312 Topographic data.
- § 73.313 Prediction of coverage.
- § 73.314 Field strength measurements.
- § 73.315 FM transmitter location.
- § 73.316 FM antenna systems.
- § 73.317 FM transmission system requirements.
- § 73.318 FM blanketing interference.
- § 73.319 FM multiplex subcarrier technical standards.
- § 73.322 FM stereophonic sound transmission standards.
- § 73.333 Engineering charts.
- Subpart C—Digital Audio Broadcasting
- § 73.401 Scope.
- § 73.402 Definitions.
- § 73.403 Digital audio broadcasting service requirements.
- § 73.404 IBOC DAB operation.
- § 73.406 Notification.
- Subpart D—Noncommercial Educational FM Broadcast Stations
- § 73.501 Channels available for assignment.
- § 73.503 Licensing requirements and service.
- § 73.504 Channel assignments in the Mexican border area.
- § 73.505 Zones.
- § 73.506 Classes of noncommercial educational FM stations and channels.
- § 73.507 Minimum distance separations between stations.
- § 73.508 Standards of good engineering practice.
- § 73.509 Prohibited overlap.
- § 73.510 Antenna systems.
- § 73.511 Power and antenna height requirements.
- § 73.512 Special procedures applicable to Class D noncommercial educational stations.
- § 73.513 Noncommercial educational FM stations operating on unreserved channels.
- § 73.514 Protection from interference.
- § 73.515 NCE FM transmitter location.
- § 73.525 TV Channel 6 protection.
- § 73.561 Operating schedule; time sharing.
- § 73.567 Determining operating power.
- § 73.593 Subsidiary communications services.
- § 73.599 NCE-FM engineering charts.
- Subpart E—Television Broadcast Stations
- § 73.601 Scope of subpart.
- § 73.602 Cross reference to rules in other parts.
- § 73.603 Numerical designation of television channels.
- § 73.606 Table of allotments.
- § 73.609 Zones.
- § 73.611 Emission levels and mask filter.
- § 73.612 Protection from interference.
- § 73.613 [Reserved]
- § 73.614 Power and antenna height requirements.
- § 73.616 References to TV station interference protection methodology.
- § 73.617 Interference protection of other services.
- § 73.618 Antenna location and principal community coverage.
- § 73.619 Contours and service areas.
- § 73.620 Interference calculation and protection of TV broadcast services.
- § 73.621 Noncommercial educational TV stations.
- § 73.622 Digital television table of allotments.
- § 73.623 TV application processing.
- § 73.624 Television broadcast stations.
- § 73.625 TV antenna system.
- § 73.626 TV distributed transmission systems.
- § 73.658 Affiliation agreements and network program practices; territorial exclusivity in non-network program arrangements.
- §§ 73.659-73.663 [Reserved]
- § 73.664 Determining operating power.
- § 73.670 Commercial limits in children's programs.
- § 73.671 Educational and informational programming for children.
- § 73.672 [Reserved]
- § 73.673 Public information initiatives regarding educational and informational programming for children.
- § 73.681 Definitions.
- § 73.682 TV transmission standards.
- § 73.683 Presumptive determination of field strength at individual locations.
- § 73.686 Field strength measurements.
- § 73.687 Transmission system requirements.
- § 73.699 TV engineering charts.
- Subpart F—International Broadcast Stations
- § 73.701 Definitions.
- § 73.702 Assignment and use of frequencies.
- § 73.703 Geographical zones and areas of reception.
- § 73.712 Equipment tests.
- § 73.713 Program tests.
- § 73.731 Licensing requirements.
- § 73.732 Authorizations.
- § 73.733 Normal license period.
- § 73.751 Operating power.
- § 73.753 Antenna systems.
- § 73.754 Frequency monitors.
- § 73.755 Modulation monitors.
- § 73.756 System specifications for double-sideband (DBS) modulated emissions in the HF broadcasting service.
- § 73.757 System specifications for single-sideband (SSB) modulated emissions in the HF broadcasting service.
- § 73.758 System specifications for digitally modulated emissions in the HF broadcasting service.
- § 73.759 Auxiliary transmitters.
- § 73.761 Modification of transmission systems.
- § 73.762 Time of operation.
- § 73.766 [Reserved]
- § 73.781 Logs.
- § 73.782 Retention of logs.
- § 73.787 Station identification.
- § 73.788 Service; commercial or sponsored programs.
- Subpart G—Low Power FM Broadcast Stations (LPFM)
- § 73.801 Broadcast regulations applicable to LPFM stations.
- § 73.805 Availability of channels.
- § 73.807 Minimum distance separation between stations.
- § 73.808 Distance computations.
- § 73.809 Interference protection to full service FM stations.
- § 73.810 Third adjacent channel interference.
- § 73.811 LPFM power and antenna height requirements.
- § 73.812 Rounding of power and antenna heights.
- § 73.813 Determination of antenna height above average terrain (HAAT).
- § 73.816 Antennas.
- § 73.825 Protection to reception of TV channel 6.
- § 73.827 Interference to the input signals of FM translator or FM booster stations.
- § 73.840 Operating power and mode tolerances.
- § 73.845 Transmission system operation.
- § 73.850 Operating schedule.
- § 73.853 Licensing requirements and service.
- § 73.854 Unlicensed radio operations.
- § 73.855 Ownership limits.
- § 73.858 Attribution of LPFM station interests.
- § 73.860 Cross-ownership.
- § 73.865 Assignment and transfer of LPFM permits and licenses.
- § 73.870 Processing of LPFM broadcast station applications.
- § 73.871 Amendment of LPFM broadcast station applications.
- § 73.872 Selection procedure for mutually exclusive LPFM applications.
- § 73.873 LPFM license period.
- § 73.875 Modification of transmission systems.
- § 73.877 Station logs for LPFM stations.
- § 73.878 Station inspections by FCC; availability to FCC of station logs and records.
- § 73.879 Signal retransmission.
- § 73.881 Equal employment opportunities.
- Subpart H—Rules Applicable to All Broadcast Stations
- § 73.1001 Scope.
- § 73.1010 Cross reference to rules in other parts.
- § 73.1015 Truthful written statements and responses to Commission inquiries and correspondence.
- § 73.1020 Station license period.
- § 73.1030 Notifications concerning interference to radio astronomy, research and receiving installations.
- § 73.1120 Station location.
- § 73.1125 Station telephone number.
- § 73.1150 Transferring a station.
- § 73.1201 Station identification.
- § 73.1202 [Reserved]
- § 73.1206 Broadcast of telephone conversations.
- § 73.1207 Rebroadcasts.
- § 73.1208 Broadcast of taped, filmed, or recorded material.
- § 73.1209 References to time.
- § 73.1210 TV/FM dual-language broadcasting in Puerto Rico.
- § 73.1211 Broadcast of lottery information.
- § 73.1212 Sponsorship identification; list retention; related requirements.
- § 73.1213 Antenna structure, marking and lighting.
- § 73.1215 Specifications for indicating instruments.
- § 73.1216 Licensee-conducted contests.
- § 73.1217 Broadcast hoaxes.
- § 73.1225 Station inspections by FCC.
- § 73.1226 Availability to FCC of station logs and records.
- § 73.1250 Broadcasting emergency information.
- § 73.1300 Unattended station operation.
- § 73.1350 Transmission system operation.
- § 73.1400 Transmission system monitoring and control.
- § 73.1515 Special field test authorizations.
- § 73.1520 Operation for tests and maintenance.
- § 73.1530 Portable test stations [Definition].
- § 73.1540 Carrier frequency measurements.
- § 73.1545 Carrier frequency departure tolerances.
- § 73.1560 Operating power and mode tolerances.
- § 73.1570 Modulation levels: AM and FM.
- § 73.1580 Transmission system inspections.
- § 73.1590 Equipment performance measurements.
- § 73.1610 Equipment tests.
- § 73.1615 Operation during modification of facilities.
- § 73.1620 Program tests.
- § 73.1635 Special temporary authorizations (STA).
- § 73.1650 International agreements.
- § 73.1660 Acceptability of broadcast transmitters.
- § 73.1665 Main transmitters.
- § 73.1670 Auxiliary transmitters.
- § 73.1675 Auxiliary antennas.
- § 73.1680 Emergency antennas.
- § 73.1690 Modification of transmission systems.
- § 73.1692 [Reserved]
- § 73.1700 Broadcast day.
- § 73.1705 Time of operation.
- § 73.1715 Share time.
- § 73.1720 Daytime.
- § 73.1725 Limited time.
- § 73.1730 Specified hours.
- § 73.1735 AM station operation pre-sunrise and post-sunset.
- § 73.1740 Minimum operating schedule.
- § 73.1745 Unauthorized operation.
- § 73.1750 Discontinuance of operation.
- § 73.1800 General requirements related to the station log.
- § 73.1820 Station log.
- § 73.1835 Special technical records.
- § 73.1840 Retention of logs.
- § 73.1870 Chief operators.
- § 73.1940 Legally qualified candidates for public office.
- § 73.1941 Equal opportunities.
- § 73.1942 Candidate rates.
- § 73.1943 Political file.
- § 73.1944 Reasonable access.
- § 73.2080 Equal employment opportunities (EEO).
- § 73.2090 Ban on discrimination in broadcast transactions.
- § 73.3500 Application and report forms.
- § 73.3511 Applications required.
- § 73.3512 Where to file; number of copies.
- § 73.3513 Signing of applications.
- § 73.3514 Content of applications.
- § 73.3516 Specification of facilities.
- § 73.3517 Contingent applications.
- § 73.3518 Inconsistent or conflicting applications.
- § 73.3519 Repetitious applications.
- § 73.3520 Multiple applications.
- § 73.3521 Mutually exclusive applications for low power television and television translator stations.
- § 73.3522 Amendment of applications.
- § 73.3525 Agreements for removing application conflicts.
- § 73.3526 Online public inspection file of commercial stations.
- § 73.3527 Online public inspection file of noncommercial educational stations.
- § 73.3533 Application for construction permit or modification of construction permit.
- § 73.3534 [Reserved]
- § 73.3536 Application for license to cover construction permit.
- § 73.3537 Application for license to use former main antenna as an auxiliary.
- § 73.3538 Application to make changes in an existing station.
- § 73.3539 Application for renewal of license.
- § 73.3540 Application for voluntary assignment or transfer of control.
- § 73.3541 Application for involuntary assignment of license or transfer of control.
- § 73.3542 Application for emergency authorization.
- § 73.3544 Application to obtain a modified station license.
- § 73.3545 Application for permit to deliver programs to foreign stations.
- § 73.3549 Requests for extension of time to operate without required monitors, indicating instruments, and EAS encoders and decoders.
- § 73.3550 Requests for new or modified call sign assignments.
- § 73.3555 Multiple ownership.
- § 73.3556 Sponsorship identification; list retention; related requirements.
- § 73.3561 Staff consideration of applications requiring Commission action.
- § 73.3562 Staff consideration of applications not requiring action by the Commission.
- § 73.3564 Acceptance of applications.
- § 73.3566 Defective applications.
- § 73.3568 Dismissal of applications.
- § 73.3571 Processing of AM broadcast station applications.
- § 73.3572 Processing of TV broadcast, Class A TV broadcast, low power TV, and TV translators applications.
- § 73.3573 Processing FM broadcast station applications.
- § 73.3574 Processing of international broadcast station applications.
- § 73.3578 Amendments to applications for renewal, assignment or transfer of control.
- § 73.3580 Local public notice of filing of broadcast applications.
- § 73.3584 Procedure for filing petitions to deny.
- § 73.3587 Procedure for filing informal objections.
- § 73.3588 Dismissal of petitions to deny or withdrawal of informal objections.
- § 73.3589 Threats to file petitions to deny or informal objections.
- § 73.3591 Grants without hearing.
- § 73.3592 Conditional grant.
- § 73.3593 Designation for hearing.
- § 73.3594 Local public notice of designation for hearing.
- § 73.3597 Procedures on transfer and assignment applications.
- § 73.3598 Period of construction.
- § 73.3601 Simultaneous modification and renewal of license.
- § 73.3603 Special waiver procedure relative to applications.
- § 73.3605 Retention of applications in hearing status after designation for hearing.
- § 73.3612 Annual employment report.
- § 73.3613 Availability to FCC of station contracts.
- § 73.3615 Ownership reports.
- § 73.3617 Information available on the internet.
- § 73.3700 Post-incentive auction licensing and operation.
- § 73.3701 Reimbursement under the Reimbursement Expansion Act.
- § 73.3800 Full power television channel sharing outside the incentive auction.
- § 73.3801 Full power television simulcasting during the ATSC 3.0 (Next Gen TV) transition.
- § 73.3999 Enforcement of 18 U.S.C. 1464 (restrictions on the transmission of obscene and indecent material).
- Subpart I—Procedures for Competitive Bidding and for Applications for Noncommercial Educational Broadcast Stations on Non-Reserved Channels
- § 73.5000 Services subject to competitive bidding.
- § 73.5001 [Reserved]
- § 73.5002 Application and certification procedures; return of mutually exclusive applications not subject to competitive bidding procedures; prohibition of collusion.
- § 73.5003 Submission of full payments.
- § 73.5004 [Reserved]
- § 73.5005 Filing of long-form applications.
- § 73.5006 Filing of petitions to deny against long-form applications.
- § 73.5007 Designated entity provisions.
- § 73.5008 Definitions applicable for designated entity provisions.
- § 73.5009 Assignment or transfer of control.
- Subpart J—Class A Television Broadcast Stations
- § 73.6000 Definitions.
- § 73.6001 Eligibility and service requirements.
- § 73.6002 Licensing requirements.
- §§ 73.6003-73.6005 [Reserved]
- § 73.6006 Channel assignments.
- § 73.6007 Power limitations.
- § 73.6008 Distance computations.
- § 73.6010 Class A TV station protected contour.
- § 73.6017 Class A TV station protection of Class A TV stations.
- § 73.6018 Class A TV station protection of TV stations.
- § 73.6019 Class A TV station protection of low power TV and TV translator stations.
- § 73.6020 Protection of stations in the land mobile radio service.
- § 73.6022 Negotiated interference and relocation agreements.
- § 73.6023 Distributed transmission systems.
- § 73.6024 Transmission standards and system requirements.
- § 73.6025 Antenna system and station location.
- § 73.6026 Broadcast regulations applicable to Class A television stations.
- § 73.6028 Class A television channel sharing outside the incentive auction.
- § 73.6029 Class A television simulcasting during the ATSC 3.0 (Next Gen TV) transition.
- § 73.6030 Low Power Protection Act.
- Subpart K—Application and Selection Procedures for Reserved Noncommercial Educational Channels, and for Certain Applications for Noncommercial Educational Stations on Non-Reserved Channels
- § 73.7000 Definition of terms (as used in subpart K only).
- § 73.7001 Services subject to evaluation by point system.
- § 73.7002 Fair distribution of service on reserved band FM channels.
- § 73.7003 Point system selection procedures.
- § 73.7004 Petitions to deny tentative selectee(s).
- § 73.7005 Maintenance of comparative qualifications.
- Subpart L—Incorporated Standards
- § 73.8000 Incorporation by reference.
- Alphabetical Index—Part 73
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