Table of Parts
[Code of Federal Regulations]
[Title 47, Volume 4, Parts 70 to 79]
[Revised as of October 1, 1997]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR73]

[Page 5-377]
                       TITLE 47--TELECOMMUNICATION

                    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 
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 
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.
73.58  Indicating instruments.
73.61  AM directional antenna field strength measurements.
73.62  Directional antenna system 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 
73.157  Antenna testing during daytime.
73.158  Directional antenna monitoring points.
73.160  Vertical plane radiation characteristics, f(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 
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.
73.239  Use of common antenna site.
73.258  Indicating instruments.
73.267  Determining operating power.
73.277  Permissible transmissions.
73.293  Use of FM multiplex subcarriers.
73.295  FM subsidiary communications services.
73.297  FM stereophonic sound broadcasting.
73.310  FM technical definitions.
73.311  Field strength contours.
73.312  Topographic data.
73.313  Prediction of coverage.

[[Page 6]]

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--Noncommercial Educational FM Broadcast Stations

73.501  Channels available for assignment.
73.502  State-wide plans.
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 
73.525  TV Channel 6 protection.
73.558  Indicating instruments.
73.561  Operating schedule; time sharing.
73.567  Determining operating power.
73.593  Subsidiary communications services.
73.597  FM stereophonic sound broadcasting.
73.599  NCE-FM engineering charts.

                          Subpart D  [Reserved]

                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.
73.607  Availability of channels.
73.609  Zones.
73.610  Minimum distance separations between stations.
73.611  Reference points and distance computations.
73.612  Protection from interference.
73.614  Power and antenna height requirements.
73.615  Administrative changes in authorizations.
73.621  Noncommercial educational TV stations.
73.622  Digital television table of allotments.
73.623  DTV applications and changes to DTV allotments.
73.624  Digital television broadcast stations.
73.625  DTV coverage of principal community and antenna system.
73.635  Use of common antenna site.
73.641  Subscription TV definitions.
73.642  Subscription TV service.
73.643  Subscription TV operating requirements.
73.644  Subscription TV transmission systems.
73.646  Telecommunications Service on the Vertical Blanking Interval and 
          in the Visual Signal.
73.653  Operation of TV aural and visual transmitters.
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.
73.665  Use of TV aural baseband subcarriers.
73.667  TV subsidiary communications services.
73.669  TV stereophonic aural and multiplex subcarrier operation.
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  Field strength contours.
73.684  Prediction of coverage.
73.685  Transmitter location and antenna system.
73.686  Field strength measurements.
73.687  Transmission system requirements.
73.688  Indicating instruments.
73.691  Visual modulation monitoring.
73.698  Tables.
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  Transmission system requirements.
73.757  Auxiliary transmitters.
73.758  Alternate main transmitters.
73.759  Modification of transmission systems.

[[Page 7]]

73.761  Time of operation.
73.765  Determining operating power.
73.766  Modulation and bandwidth.
73.781  Logs.
73.782  Retention of logs.
73.787  Station identification.
73.788  Service; commercial or sponsored programs.

                  Subpart G--Emergency Broadcast System

73.900  Cross References.

          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 main studio location.
73.1150  Transferring a station.
73.1201  Station identification.
73.1202  Retention of letters received from the public.
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 
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 inspection by FCC.
73.1226  Availability to FCC of station logs and records.
73.1230  Posting of station license.
73.1250  Broadcasting emergency information.
73.1300  Unattended station operation.
73.1350  Transmission system operation.
73.1400  Transmission system monitoring and control.
73.1510  Experimental authorizations.
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, FM, and TV aural.
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  Broadcast station construction near or installation on an AM 
          broadcast tower.
73.1695  Changes in transmission standards.
73.1700  Broadcast day.
73.1705  Time of operation.
73.1710  Unlimited time.
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.
73.1910  Fairness Doctrine.
73.1920  Personal attacks.
73.1930  Political editorials.
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.
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.

[[Page 8]]

73.3521  Mutually exclusive applications for low power television, 
          television translators and television booster stations.
73.3522  Amendment of applications.
73.3523  Dismissal of applications in renewal proceedings.
73.3525  Agreements for removing application conflicts.
73.3526  Local public inspection file of commercial stations.
73.3527  Local public inspection file of noncommercial educational 
73.3533  Application for construction permit or modification of 
          construction permit.
73.3534  Application for extension of construction permit or for 
          construction permit to replace expired construction permit.
73.3535  Application to modify authorized but unbuilt facilities, or to 
          assign or transfer control of an unbuilt facility.
73.3536  Application for license to cover construction permit.
73.3537  Application for license to use former main antenna as an 
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.
73.3543  Application for renewal or modification of special service 
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 authority to operate without required 
          monitors, indicating instruments, and EAS encoders and 
73.3550  Requests for new or modified call sign assignments.
73.3555  Multiple ownership.
73.3556  Duplication of programming on commonly owned or time brokered 
73.3561  Staff consideration of applications requiring Commission 
73.3562  Staff consideration of applications not requiring action by the 
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, low power TV, TV translator and TV 
          booster station 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 
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.
73.3599  Forfeiture of construction permit.
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  Filing of contracts.
73.3615  Ownership reports.
73.3999  Enforcement of 18 U.S.C. 1464 (restrictions on the transmission 
          of obscene and indecent material).
73.4000  Listing of FCC policies.
73.4005  Advertising--refusal to sell.
73.4015  Applications for AM and FM construction permits, incomplete or 
73.4017  Application processing: Commercial FM stations.
73.4045  Barter agreements.
73.4050  Children's TV programs.
73.4055  Cigarette advertising.
73.4060  Citizens agreements.
73.4075  Commercials, loud.
73.4082  Comparative broadcast hearings--specialized programming 
73.4091  Direct broadcast satellites.
73.4094  Dolby encoder.
73.4095  Drug lyrics.
73.4097  EBS (now EAS) attention signals on automated programing 
73.4099  Financial qualifications, certification of.
73.4100  Financial qualifications; new AM and FM stations.
73.4101  Financial qualifications, TV stations.
73.4102  FAA communications, broadcast of.
73.4104  FM assignment policies and procedures.
73.4107  FM broadcast assignments, increasing availability of.
73.4108  FM transmitter site map submissions.
73.4110  Format changes of stations.
73.4135  Interference to TV reception by FM stations.

[[Page 9]]

73.4140  Minority ownership; tax certificates and distress sales.
73.4154  Network/AM, FM station affiliation agreements.
73.4157  Network signals which adversely affect affiliate broadcast 
73.4163  Noncommercial nature of educational broadcast stations.
73.4165  Obscene language.
73.4170  Obscene broadcasts.
73.4180  Payment disclosure: Payola, plugola, kickbacks.
73.4185  Political broadcasting and telecasting, the law of.
73.4190  Political candidate authorization notice and sponsorship 
73.4195  Political advertising by UHF translators.
73.4210  Procedure Manual: ``The Public and Broadcasting''.
73.4215  Program matter: Supplier identification.
73.4235  Short spacing agreements: FM stations.
73.4242  Sponsorship identification rules, applicability of.
73.4246  Stereophonic pilot subcarrier use during monophonic 
73.4247  STV: Competing applications.
73.4250  Subliminal perception.
73.4255  Tax certificates: Issuance of.
73.4260  Teaser announcements.
73.4265  Telephone conversation broadcasts (network and like sources).
73.4266  Tender offer and proxy statements.
73.4267  Time brokerage.
73.4275  Tone clusters; audio attention-getting devices.
73.4280  Character evaluation of broadcast applicants.

Alphabetical Index--Part 73

    Authority:  47 U.S.C. 154, 303, 334 and 336.

                    Subpart A--AM Broadcast Stations