CFR /  Title 47  /  Part 73: Radio Broadcast Services

Section No.	Description
Section 73.1	AM broadcast definitions
Section 73.14	Classes of AM broadcast channels and stations
Section 73.21	AM broadcast station applications affected by international agreements
Section 73.23	Broadcast facilities; showing required
Section 73.24	Clear channels; Class A, Class B and Class D stations
Section 73.25	Regional channels; Class B and Class D stations
Section 73.26	Local channels; Class C stations
Section 73.27	Assignment of stations to channels
Section 73.28	Class C stations on regional channels
Section 73.29	Petition for authorization of an allotment in the 1605-1705 kHz band
Section 73.30	Rounding of nominal power specified on applications
Section 73.31	Antenna systems; showing required
Section 73.33	Calculation of improvement factors
Section 73.35	Applications for broadcast facilities, showing required
Section 73.37	AM transmission system emission limitations
Section 73.44	AM antenna systems
Section 73.45	AM transmission system fencing requirements
Section 73.49	Determining operating power
Section 73.51	Requirements for authorization of antenna monitors
Section 73.53	Antenna resistance and reactance measurements
Section 73.54	Remote reading antenna and common point ammeters
Section 73.57	Indicating instruments
Section 73.58	AM directional antenna field strength measurements
Section 73.61	Directional antenna system operation and tolerances
Section 73.62	Sampling systems for antenna monitors
Section 73.68	Antenna monitors
Section 73.69	Operating during the experimental period
Section 73.72	Blanketing interference
Section 73.88	Presunrise service authorization (PSRA) and postsunset service authorization (PSSA)
Section 73.99	Use of multiplex transmission
Section 73.127	AM stereophonic broadcasting
Section 73.128	Territorial exclusivity
Section 73.132	Directional antenna systems
Section 73.150	Field strength measurements to establish performance of directional antennas
Section 73.151	Modification of directional antenna data
Section 73.152	Field strength measurements in support of applications or evidence at hearings
Section 73.153	AM directional antenna partial proof of performance measurements
Section 73.154	Periodic directional antenna performance recertification
Section 73.155	Antenna testing during daytime
Section 73.157	Directional antenna monitoring points
Section 73.158	Vertical plane radiation characteristics, f([thetas])
Section 73.160	Engineering standards of allocation
Section 73.182	Groundwave signals
Section 73.183	Groundwave field strength graphs
Section 73.184	Computation of interfering signal
Section 73.185	Establishment of effective field at one kilometer
Section 73.186	Limitation on daytime radiation
Section 73.187	Minimum antenna heights or field strength requirements
Section 73.189	Engineering charts and related formulas
Section 73.190	Numerical designation of FM broadcast channels
Section 73.201	Table of Allotments
Section 73.202	Availability of channels
Section 73.203	International agreements and other restrictions on use of channels
Section 73.204	Zones
Section 73.205	Minimum distance separation between stations
Section 73.207	Reference points and distance computations
Section 73.208	Protection from interference
Section 73.209	Station classes
Section 73.210	Power and antenna height requirements
Section 73.211	Administrative changes in authorizations
Section 73.212	Grandfathered short-spaced stations
Section 73.213	Contour protection for short-spaced assignments
Section 73.215	Restrictions on use of channels
Section 73.220	Territorial exclusivity
Section 73.232	Use of common antenna site
Section 73.239	Indicating instruments
Section 73.258	Determining operating power
Section 73.267	Permissible transmissions
Section 73.277	Use of FM multiplex subcarriers
Section 73.293	FM subsidiary communications services
Section 73.295	FM stereophonic sound broadcasting
Section 73.297	FM technical definitions
Section 73.310	Field strength contours
Section 73.311	Topographic data
Section 73.312	Prediction of coverage
Section 73.313	Field strength measurements
Section 73.314	FM transmitter location
Section 73.315	FM antenna systems
Section 73.316	FM transmission system requirements
Section 73.317	FM blanketing interference
Section 73.318	FM multiplex subcarrier technical standards
Section 73.319	FM stereophonic sound transmission standards
Section 73.322	Engineering charts
Section 73.333	Scope
Section 73.401	Definitions
Section 73.402	Digital audio broadcasting service requirements
Section 73.403	Interim hybrid IBOC DAB operation
Section 73.404	Channels available for assignment
Section 73.501	Licensing requirements and service
Section 73.503	Channel assignments in the Mexican border area
Section 73.504	Zones
Section 73.505	Classes of noncommercial educational FM stations and channels
Section 73.506	Minimum distance separations between stations
Section 73.507	Standards of good engineering practice
Section 73.508	Prohibited overlap
Section 73.509	Antenna systems
Section 73.510	Power and antenna height requirements
Section 73.511	Special procedures applicable to Class D noncommercial educational stations
Section 73.512	Noncommercial educational FM stations operating on unreserved channels
Section 73.513	Protection from interference
Section 73.514	NCE FM transmitter location
Section 73.515	TV Channel 6 protection
Section 73.525	Indicating instruments
Section 73.558	Operating schedule; time sharing
Section 73.561	Determining operating power
Section 73.567	Subsidiary communications services
Section 73.593	FM stereophonic sound broadcasting
Section 73.597	NCE-FM engineering charts
Section 73.599	Scope of subpart
Section 73.601	Cross reference to rules in other parts
Section 73.602	Numerical designation of television channels
Section 73.603	Table of allotments
Section 73.606	Availability of channels
Section 73.607	Zones
Section 73.609	Minimum distance separations between stations
Section 73.610	Reference points and distance computations
Section 73.611	Protection from interference
Section 73.612	Protection of Class A TV stations
Section 73.613	Power and antenna height requirements
Section 73.614	Administrative changes in authorizations
Section 73.615	Post-transition DTV station interference protection
Section 73.616	Noncommercial educational TV stations
Section 73.621	Digital television table of allotments
Section 73.622	DTV applications and changes to DTV allotments
Section 73.623	Digital television broadcast stations
Section 73.624	DTV coverage of principal community and antenna system
Section 73.625	DTV distributed transmission systems
Section 73.626	Use of common antenna site
Section 73.635	Subscription TV definitions
Section 73.641	Subscription TV service
Section 73.642	Subscription TV operating requirements
Section 73.643	Subscription TV transmission systems
Section 73.644	Telecommunications Service on the Vertical Blanking Interval and in the Visual Signal
Section 73.646	Operation of TV aural and visual transmitters
Section 73.653	Affiliation agreements and network program practices; territorial exclusivity in non-network program arrangements
Section 73.658	Determining operating power
Section 73.664	Use of TV aural baseband subcarriers
Section 73.665	TV subsidiary communications services
Section 73.667	TV stereophonic aural and multiplex subcarrier operation
Section 73.669	Commercial limits in children's programs
Section 73.670	Educational and informational programming for children
Section 73.671	Public information initiatives regarding educational and informational programming for children
Section 73.673	Digital television transition notices by broadcasters
Section 73.674	Definitions
Section 73.681	TV transmission standards
Section 73.682	Field strength contours and presumptive determination of field strength at individual locations
Section 73.683	Prediction of coverage
Section 73.684	Transmitter location and antenna system
Section 73.685	Field strength measurements
Section 73.686	Transmission system requirements
Section 73.687	Indicating instruments
Section 73.688	Visual modulation monitoring
Section 73.691	Tables
Section 73.698	TV engineering charts
Section 73.699	Definitions
Section 73.701	Assignment and use of frequencies
Section 73.702	Geographical zones and areas of reception
Section 73.703	Equipment tests
Section 73.712	Program tests
Section 73.713	Licensing requirements
Section 73.731	Authorizations
Section 73.732	Normal license period
Section 73.733	Operating power
Section 73.751	Antenna systems
Section 73.753	Frequency monitors
Section 73.754	Modulation monitors
Section 73.755	System specifications for double-sideband (DBS) modulated emissions in the HF broadcasting service
Section 73.756	System specifications for single-sideband (SSB) modulated emissions in the HF broadcasting service
Section 73.757	System specifications for digitally modulated emissions in the HF broadcasting service
Section 73.758	Auxiliary transmitters
Section 73.759	Alternate main transmitters
Section 73.760	Modification of transmission systems
Section 73.761	Time of operation
Section 73.762	Determining operating power
Section 73.765	Logs
Section 73.781	Retention of logs
Section 73.782	Station identification
Section 73.787	Service; commercial or sponsored programs
Section 73.788	Broadcast regulations applicable to LPFM stations
Section 73.801	Availability of channels
Section 73.805	Minimum distance separation between stations
Section 73.807	Distance computations
Section 73.808	Interference protection to full service FM stations
Section 73.809	Third adjacent channel interference
Section 73.810	LPFM power and antenna height requirements
Section 73.811	Rounding of power and antenna heights
Section 73.812	Determination of antenna height above average terrain (HAAT)
Section 73.813	Antennas
Section 73.816	Protection to reception of TV channel 6
Section 73.825	Interference to the input signals of FM translator or FM booster stations
Section 73.827	Operating power and mode tolerances
Section 73.840	Transmission system operation
Section 73.845	Operating schedule
Section 73.850	Licensing requirements and service
Section 73.853	Unlicensed operations
Section 73.854	Ownership limits
Section 73.855	Attribution of LPFM station interests
Section 73.858	Cross-ownership
Section 73.860	Assignment and transfer of LPFM licenses
Section 73.865	Processing of LPFM broadcast station applications
Section 73.870	Amendment of LPFM broadcast station applications
Section 73.871	Selection procedure for mutually exclusive LPFM applications
Section 73.872	LPFM license period
Section 73.873	Modification of transmission systems
Section 73.875	Station logs for LPFM stations
Section 73.877	Station inspections by FCC; availability to FCC of station logs and records
Section 73.878	Signal retransmission
Section 73.879	Equal employment opportunities
Section 73.881	Scope
Section 73.1001	Cross reference to rules in other parts
Section 73.1010	Truthful written statements and responses to Commission inquiries and correspondence
Section 73.1015	Station license period
Section 73.1020	Notifications concerning interference to radio astronomy, research and receiving installations
Section 73.1030	Station location
Section 73.1120	Station main studio location
Section 73.1125	Transferring a station
Section 73.1150	Station identification
Section 73.1201	Retention of letters received from the public
Section 73.1202	Broadcast of telephone conversations
Section 73.1206	Rebroadcasts
Section 73.1207	Broadcast of taped, filmed, or recorded material
Section 73.1208	References to time
Section 73.1209	TV/FM dual-language broadcasting in Puerto Rico
Section 73.1210	Broadcast of lottery information
Section 73.1211	Sponsorship identification; list retention; related requirements
Section 73.1212	Antenna structure, marking and lighting
Section 73.1213	Specifications for indicating instruments
Section 73.1215	Licensee-conducted contests
Section 73.1216	Broadcast hoaxes
Section 73.1217	Station inspections by FCC
Section 73.1225	Availability to FCC of station logs and records
Section 73.1226	Posting of station license
Section 73.1230	Broadcasting emergency information
Section 73.1250	Unattended station operation
Section 73.1300	Transmission system operation
Section 73.1350	Transmission system monitoring and control
Section 73.1400	Special field test authorizations
Section 73.1515	Operation for tests and maintenance
Section 73.1520	Portable test stations [Definition]
Section 73.1530	Carrier frequency measurements
Section 73.1540	Carrier frequency departure tolerances
Section 73.1545	Operating power and mode tolerances
Section 73.1560	Modulation levels: AM, FM, TV and Class A TV aural
Section 73.1570	Transmission system inspections
Section 73.1580	Equipment performance measurements
Section 73.1590	Equipment tests
Section 73.1610	Operation during modification of facilities
Section 73.1615	Program tests
Section 73.1620	Special temporary authorizations (STA)
Section 73.1635	International agreements
Section 73.1650	Acceptability of broadcast transmitters
Section 73.1660	Main transmitters
Section 73.1665	Auxiliary transmitters
Section 73.1670	Auxiliary antennas
Section 73.1675	Emergency antennas
Section 73.1680	Modification of transmission systems
Section 73.1690	Changes in transmission standards
Section 73.1695	Broadcast day
Section 73.1700	Time of operation
Section 73.1705	Unlimited time
Section 73.1710	Share time
Section 73.1715	Daytime
Section 73.1720	Limited time
Section 73.1725	Specified hours
Section 73.1730	AM station operation pre-sunrise and post-sunset
Section 73.1735	Minimum operating schedule
Section 73.1740	Unauthorized operation
Section 73.1745	Discontinuance of operation
Section 73.1750	General requirements related to the station log
Section 73.1800	Station log
Section 73.1820	Special technical records
Section 73.1835	Retention of logs
Section 73.1840	Chief operators
Section 73.1870	Legally qualified candidates for public office
Section 73.1940	Equal opportunities
Section 73.1941	Candidate rates
Section 73.1942	Political file
Section 73.1943	Reasonable access
Section 73.1944	Equal employment opportunities (EEO)
Section 73.2080	Ban on discrimination in broadcast transactions
Section 73.2090	Application and report forms
Section 73.3500	Applications required
Section 73.3511	Where to file; number of copies
Section 73.3512	Signing of applications
Section 73.3513	Content of applications
Section 73.3514	Specification of facilities
Section 73.3516	Contingent applications
Section 73.3517	Inconsistent or conflicting applications
Section 73.3518	Repetitious applications
Section 73.3519	Multiple applications
Section 73.3520	Mutually exclusive applications for low power television, television translators and television booster stations
Section 73.3521	Amendment of applications
Section 73.3522	Dismissal of applications in renewal proceedings
Section 73.3523	Agreements for removing application conflicts
Section 73.3525	Local public inspection file of commercial stations
Section 73.3526	Local public inspection file of noncommercial educational stations
Section 73.3527	Application for construction permit or modification of construction permit
Section 73.3533	Application for license to cover construction permit
Section 73.3536	Application for license to use former main antenna as an auxiliary
Section 73.3537	Application to make changes in an existing station
Section 73.3538	Application for renewal of license
Section 73.3539	Application for voluntary assignment or transfer of control
Section 73.3540	Application for involuntary assignment of license or transfer of control
Section 73.3541	Application for emergency authorization
Section 73.3542	Application for renewal or modification of special service authorization
Section 73.3543	Application to obtain a modified station license
Section 73.3544	Application for permit to deliver programs to foreign stations
Section 73.3545	Requests for extension of time to operate without required monitors, indicating instruments, and EAS encoders and decoders
Section 73.3549	Requests for new or modified call sign assignments
Section 73.3550	Multiple ownership
Section 73.3555	Duplication of programming on commonly owned or time brokered stations
Section 73.3556	Staff consideration of applications requiring Commission action
Section 73.3561	Staff consideration of applications not requiring action by the Commission
Section 73.3562	Acceptance of applications
Section 73.3564	Defective applications
Section 73.3566	Dismissal of applications
Section 73.3568	Processing of AM broadcast station applications
Section 73.3571	Processing of TV broadcast, Class A TV broadcast, low power TV, TV translators, and TV booster applications
Section 73.3572	Processing FM broadcast station applications
Section 73.3573	Processing of international broadcast station applications
Section 73.3574	Amendments to applications for renewal, assignment or transfer of control
Section 73.3578	Local public notice of filing of broadcast applications
Section 73.3580	Procedure for filing petitions to deny
Section 73.3584	Procedure for filing informal objections
Section 73.3587	Dismissal of petitions to deny or withdrawal of informal objections
Section 73.3588	Threats to file petitions to deny or informal objections
Section 73.3589	Grants without hearing
Section 73.3591	Conditional grant
Section 73.3592	Designation for hearing
Section 73.3593	Local public notice of designation for hearing
Section 73.3594	Procedures on transfer and assignment applications
Section 73.3597	Period of construction
Section 73.3598	Simultaneous modification and renewal of license
Section 73.3601	Special waiver procedure relative to applications
Section 73.3603	Retention of applications in hearing status after designation for hearing
Section 73.3605	Annual employment report
Section 73.3612	Filing of contracts
Section 73.3613	Ownership reports
Section 73.3615	Information available on the Internet
Section 73.3617	Post-incentive auction licensing and operation
Section 73.3700	Enforcement of 18 U
Section 73.3999	Listing of FCC policies
Section 73.4000	Advertising--refusal to sell
Section 73.4005	Applications for AM and FM construction permits, incomplete or defective
Section 73.4015	Application processing: Commercial FM stations
Section 73.4017	Barter agreements
Section 73.4045	Children's TV programs
Section 73.4050	Cigarette advertising
Section 73.4055	Citizens agreements
Section 73.4060	Commercials, loud
Section 73.4075	Comparative broadcast hearings--specialized programming formats
Section 73.4082	Direct broadcast satellites
Section 73.4091	Dolby encoder
Section 73.4094	Drug lyrics
Section 73.4095	EBS (now EAS) attention signals on automated programing systems
Section 73.4097	Financial qualifications, certification of
Section 73.4099	Financial qualifications; new AM and FM stations
Section 73.4100	Financial qualifications, TV stations
Section 73.4101	FAA communications, broadcast of
Section 73.4102	FM assignment policies and procedures
Section 73.4104	FM broadcast assignments, increasing availability of
Section 73.4107	FM transmitter site map submissions
Section 73.4108	Format changes of stations
Section 73.4110	Interference to TV reception by FM stations
Section 73.4135	Minority ownership; tax certificates and distress sales
Section 73.4140	Network/AM, FM station affiliation agreements
Section 73.4154	Network signals which adversely affect affiliate broadcast service
Section 73.4157	Noncommercial nature of educational broadcast stations
Section 73.4163	Obscene language
Section 73.4165	Obscene broadcasts
Section 73.4170	Payment disclosure: Payola, plugola, kickbacks
Section 73.4180	Political broadcasting and telecasting, the law of
Section 73.4185	Political candidate authorization notice and sponsorship identification
Section 73.4190	Political advertising by UHF translators
Section 73.4195	Procedure Manual: ``The Public and Broadcasting''
Section 73.4210	Program matter: Supplier identification
Section 73.4215	Sponsorship identification rules, applicability of
Section 73.4242	Stereophonic pilot subcarrier use during monophonic programming
Section 73.4246	STV: Competing applications
Section 73.4247	Subliminal perception
Section 73.4250	Tax certificates: Issuance of
Section 73.4255	Teaser announcements
Section 73.4260	Telephone conversation broadcasts (network and like sources)
Section 73.4265	Tender offer and proxy statements
Section 73.4266	Time brokerage
Section 73.4267	Tone clusters; audio attention-getting devices
Section 73.4275	Character evaluation of broadcast applicants
Section 73.4280	Services subject to competitive bidding
Section 73.5000	Application and certification procedures; return of mutually exclusive applications not subject to competitive bidding
Section 73.5002	Submission of full payments
Section 73.5003	Filing of long-form applications
Section 73.5005	Filing of petitions to deny against long-form applications
Section 73.5006	Designated entity provisions
Section 73.5007	Definitions applicable for designated entity provisions
Section 73.5008	Assignment or transfer of control
Section 73.5009	Definitions
Section 73.6000	Eligibility and service requirements
Section 73.6001	Licensing requirements
Section 73.6002	Channel assignments
Section 73.6006	Power limitations
Section 73.6007	Distance computations
Section 73.6008	Class A TV station protected contour
Section 73.6010	Protection of TV broadcast stations
Section 73.6011	Protection of Class A TV, low power TV and TV translator stations
Section 73.6012	Protection of DTV stations
Section 73.6013	Protection of digital Class A TV stations
Section 73.6014	Digital Class A TV station protection of TV broadcast stations
Section 73.6016	Digital Class A TV station protection of Class A TV and digital Class A TV stations
Section 73.6017	Digital Class A TV station protection of DTV stations
Section 73.6018	Digital Class A TV station protection of low power TV, TV translator, digital low power TV and digital TV translator stations
Section 73.6019	Protection of stations in the land mobile radio service
Section 73.6020	Negotiated interference and relocation agreements
Section 73.6022	Distributed transmission systems
Section 73.6023	Transmission standards and system requirements
Section 73.6024	Antenna system and station location
Section 73.6025	Broadcast regulations applicable to Class A television stations
Section 73.6026	Class A TV notifications concerning interference to radio astronomy, research and receiving installations
Section 73.6027	Definition of terms (as used in subpart K only)
Section 73.7000	Services subject to evaluation by point system
Section 73.7001	Fair distribution of service on reserved band FM channels
Section 73.7002	Point system selection procedures
Section 73.7003	Petitions to deny tentative selectee(s)
Section 73.7004	Holding period
Section 73.7005	Incorporation by reference
Section 73.8000	Scope