{"data":{"id":"us/47-cfr-alphabetical-index-part-73","jurisdiction":"us","citation":"47 CFR Alphabetical Index, Part 73","heading":"Alphabetical Index—Part 73","body":"Rules Apply to All Services, AM, FM, and TV, Unless Indicated as Pertaining to a Specific Service\n[Policies of FCC are indicated (*)]\nA\nAcceptability of broadcast transmitters 73.1660\nAccess, Prime time (TV) 73.658\nAction on applications 73.3591-73.3605\nAdjacent channel and co-channel stations, Minimum mileage, separation between—\nFM 73.207\nNCE-FM 73.507\nAdministrative changes in authorizations—\nFM 73.212\nTV 73.615\nAdvertising—\nRefusal to sell 73.4005 (*)\nSponsorship identification 73.1212\nSee also “Commercial” listings.\nAffiliation agreements and network program practices; territorial exclusivity in non-network program arrangements (TV) 73.658\nAffiliation agreements, Networks/stations\nAM 73.132, 73.3613, 73.4154 (*)\nFM 73.232, 73.3613, 73.4154 (*)\nTV 73.658, 73.3613\nAgreement, United States-Mexico FM broadcast, Channel assignments under (NCE-FM) 73.504\nAgreements, International broadcasting 73.1650\nAlarm and monitoring points, Automatic transmission system—\nAM 73.146\nFM 73.346\nNCE-FM 73.546\nAllocation, Engineering standards of (AM) 73.182\nAllocation, Field strength measurements in; establishment of effective field at one mile (AM) 73.186\nAllotments, Table of (FM) 73.202\nAM antenna systems 73.45\nAM broadcast channels, Classes of 73.21, 73.23, 73.25, 73.26, 73.27, 73.29\nAM definitions 73.14\nAM directional antenna field measurements 73.61\nAM: Scope of subpart 73.1\nAM stereophonic broadcasting 73.128\nAM transmission system emission limitations 73.44\nAM transmission system fencing requirements 73.49\nAmendments—\nMajor/minor: Renewal, assignment, transfer 73.3578\nMatter of right 73.3522\nProcedures 73.3513\nAmmeters, antenna and common point, Remote reading (AM) 73.57\nAnnouncements required—\nDesignation of application for hearing 73.3594\nDonor 73.503, 73.621, 73.1212\nFiling of broadcast applications 73.3580\nSponsorship 73.1212\nStation I.D 73.1201\nAntenna base fences, (AM) 73.49\nAntenna, directional, Field measurements (AM) 73.61\nAntenna, directional, Field strength measurements to establish performance of (AM) 73.151\nAntenna height and Power requirements—\nFM 73.211\nNCE-FM 73.511\nTV 73.614\nAntenna heights, Minimum, or field strength requirements (AM) 73.189\nAntenna monitors (AM) 73.69\nAntenna monitors, Requirements for authorization of (AM) 73.53\nAntenna monitors, Sampling system for (AM) 73.68\nAntenna resistance and reactance; measurements (AM) 73.54\nAntenna site, Use of common—\nFM 73.239\nTV 73.635\nAntenna testing during daytime (AM) 73.157\nAntenna structure, marking and lighting 73.1213\nAntenna system tolerances, Directional (AM) 73.62\nAntenna system; Transmitter location (TV) 73.685\nAntenna systems—\nAM 73.45\nFM 73.316\nNCE-FM 73.510\nTV 73.685\nAntenna systems, Directional (AM) 73.150\nAntennas, Auxiliary 73.1675\nAntennas, Emergency 73.1680\nApplication and report forms 73.3500\nApplications—\nAcceptance 73.3564\nAgreements for Conflict removal 73.3525\nAM station processing 73.3571\nAmendment of 73.3522\nAM and FM construction permits, incomplete or defective 73.4015 (*)\nAmendments, renewal and assignment or transfer of control 73.3578\nAssign or transfer unbuilt facility 73.3535\nAssignment, Involuntary 73.3540\nAssignment, Voluntary 73.3540\nCall signs 73.3550\nConflicting 73.3518\nConflicts: other North American countries 73.3570\nCommission action required 73.3561\nCommission action not required 73.3562\nConstruction period 73.3598\nConstruction permit extension 73.3534\nConstruction permit forfeiture 73.3599\nContingent applications 73.3517\nContent 73.3514\nCopies, number of; when to file 73.3512\nDefective 73.3566\nDesignation for hearing 73.3593\nDesignation for hearing, public notice 73.3594\nDismissal 73.3568\nEmergency authorization 73.3542\nExisting station changes 73.3538\nFacilities specifications 73.3516\nFiling location; number of copies 73.3512\nFM, FM translator processing 73.3573\nFM stations, Commercial 73.4017 (*)\nForfeiture, construction permit 73.3599\nFormal; informal 73.3511\nGrant, Conditional 73.3592\nGrants without hearing 73.3591\nHearing designation 73.3593\nHearing status retention 73.3605\nInconsistent 73.3518\nInformal; Formal 73.3511\nInternational station processing 73.3574\nLicense 73.3536\nModification and simultaneous renewal of license 73.3601\nModify authorized-unbuilt facility 73.3535\nModified station license 73.3544\nMultiple 73.3520\nMutually exclusive applications for LPTV and TV translator and booster stations 73.3521\nObjections, informal, Filing of 73.3587\nOperation during repair of defective, required equipment 73.3549\nPetitions to deny 73.3584\nProgram delivery to foreign stations 73.3545\nPublic notice, Designation for hearing 73.3594\nPublic notice of filing 73.3580\nRenewal 73.3539\nRenewal and simultaneous modification of license 73.3601\nRepetitious 73.3519\nReplacement of construction permit 73.3534\nRounding of nominal power on (AM) 73.31\nSigning of 73.3513\nSpecial service authorizations 73.3543\nSpecification of facilities 73.3516\nTemporary authorization 73.3542\nTransfer and assignment procedures 73.3597\nTransfer of control, Involuntary 73.3541\nTransfer of control, Voluntary 73.3540\nTransfer or assign unbuilt facility 73.3535\nTV, LPTV, translator and TV booster processing 73.3572\nUnbuilt facilities: modify, assign or transfer 73.3535\nUse of former main antenna as auxiliary 73.3534\nWaiver procedure 73.3603\nApplications for broadcast facilities, showing required (AM) 73.37\nAssignment, FM Increasing availability of 73.4107 (*)\nAssignment of stations to channels (AM) 73.28\nAssignment policies and procedures, FM 73.4104 (*)\nAssignments, Table of—\nFM 73.202\nNCE-FM 73.501\nTV 73.606\nAssignments, Channel, under the United States-Mexico—FM Broadcast Agreement (NCE-FM) 73.504\nATS-Automatic transmission system 73.1500\nAttacks, Personal 73.1920\nAural and visual TV transmitters, Operation of 73.653\nAural baseband subcarriers, TV 73.665\nAuthorization of antenna monitors, Requirements for 73.53\nAuthorization, Administrative changes in—\nFM 73.212\nTV 73.615\nAuthorizations, Experimental 73.1510\nAuthorizations, Remote Control 73.1400\nAuthorizations, Special Field test 73.1515\nAuthorizations, Special temporary (STA) 73.1635\nAutomatic transmission system (ATS) 73.1500\nAuxiliary antennas 73.1675\nAuxiliary transmitters 73.1670\nAvailability of channels—\nFM 73.203\nTV 73.607\nAvailability to FCC of station logs and records 73.1226\nB\nBarter agreements 73.4045 (*)\nBaseband subcarriers, Aural, TV 73.665\nBlanketing interference—\nAM 73.88\nFM 73.318\nBroadcast channels and stations, Classes of (AM) 73.21, 73.22, 73.25, 73.26, 73.27, 73.29\nBroadcast day (definition) 73.1700\nBroadcast facilities authorizations; showing required (AM) 73.24\nBroadcast facilities, showing required for applications (AM) 73.37\nBroadcast of FAA communications 73.4102 (*)\nBroadcast of lottery information 73.1211\nBroadcast of taped, filmed or recorded material 73.1208\nBroadcast of telephone conversation 73.1206\nBroadcast transmitters, Acceptability of 73.1660\nBroadcasting agreements, International 73.1650\nBroadcasting emergency information 73.1250\nBroadcasting, Stereophonic—\nFM 73.297\nNCE-FM 73.596\nBroadcasts by candidates for public office 73.1940\nC\nCall letters—requests and assignments 73.3550\nCandidates for public office, Broadcast by 73.1940\nCarrier frequency departure tolerances 73.1545\nCarrier frequency measurements 73.1540\nCertification of financial qualifications 73.4099(*)\nChanges in authorizations, Administrative—\nFM 73.212\nTV 73.615\nChannel assignments under the United States-Mexico Broadcast Agreement (NCE-FM) 73.504\nChannels and stations, Classes of AM Broadcast 73.21, 73.22, 73.25, 73.26, 73.27, 73.29\nChannel 6 Protection (NCE-FM) 73.525\nChannels, Assignment of stations to (AM) 73.28\nChannels available for assignment (NCE-FM) 73.501\nChannels, Availability of—\nFM 73.203\nTV 73.607\nChannels, Classes of Educational, and stations operating thereon 73.506\nChannels, FM broadcast, Numerical designation of 73.201\nChannels, Restriction on use of (FM) 73.220\nChannels, TV, Numerical designation of 73.603\nChannels, unreserved, Noncommercial educational broadcast stations, operating on (NCE-FM) 73.513\nCharacter evaluation of broadcast applicants 73.4280 (*)\nCharts, Engineering—\nAM 73.190\nFM 73.333\nTV 73.699\nCharts, Groundwave field strength (AM) 73.184\nChief operators 73.1870\nChildren's TV programs 73.4050 (*)\nCigarette advertising 73.4055 (*)\nCitizen agreements 73.4060 (*)\nClasses of AM broadcast channels and stations 73.21, 73.22, 73.25, 73.26, 73.27, 73.29\nClasses of noncommercial educational FM Stations and channels 73.506\nClasses of stations; power and antenna height requirements 73.211\nClassified ads 73.1212\nCo-channel and adjacent channel stations, Minimum separation—\nFM 73.207\nNCE-FM 73.507\nCombination advertising rates; joint sales practices 73.4065 (*)\nCommercials Loud 73.4075 (*)\nSee Also “Advertising” listings.\nCommon antenna site, use of—\nFM 73.239\nTV 73.635\nCommon point, and antenna ammeters, Remote reading (AM) 73.57\nCommunications services, Subsidiary—\nFM 73.295\nNCE-FM 73.593\nTV 73.667\nComparative broadcast hearings—specialized formats(*) 73.4082\nComputation of interfering signal (AM) 73.185\nComputations, Reference points and distance—\nFM 73.208\nTV 73.611\nConstruction Near or Installation On an AM Tower 73.1692\nConstruction period 73.3598\nConstruction permit, forfeited 73.3599\nContests, License-Conducted 73.1216\nContours, Field strength—\nFM 73.311\nTV 73.683\nContracts, Filing of 73.3613\nCoverage, Prediction of—\nFM 73.313\nTV 73.684\nCross reference to rules in other Parts 73.1010\nD\nDay, Broadcast (definition) 73.1700\nDaylight Savings time 73.1209\nDaytime (definition) 73.1720\nDaytime radiation, Limitation on (AM) 73.187\nDefinitions, Subscription TV 73.641\nDefinitions, Technical—\nAM 73.14\nFM 73.310\nTV 73.681\nDeny, Petitions to 73.3584\nDetermining operating power—\nAM 73.51\nFM 73.267\nNCE-FM 73.567\nTV 73.663\nDirect broadcast satellites 73.4091 (*)\nDirectional antenna field measurements (AM) 73.61\nDirectional antenna system tolerances (AM) 73.62\nDirectional antennas, Field strength measurements to establish performance of (AM) 73.151\nDirectional antenna data, Modification of (AM) 73.152\nDirectional antenna monitoring points (AM) 73.158\nDirectional antenna systems (AM) 73.150\nDiscontinuance of operation 73.1750\nDistance and Reference points, computations of—\nFM 73.208\nTV 73.611\nDistance separations, Minimum, between stations—\nFM 73.207\nNCE-FM 73.507\nTV 73.610\nDistress sales and tax certificates, Minority ownership 73.4140*\nDoctrine, Fairness 73.1910\nDolbey encoder 73.4094 (*)\nDonor announcements (NCE-FM) 73.503\nDouble billing 73.1205\nDrug lyrics 73.4095 (*)\nDual-language broadcasting in Puerto Rico, TV/FM 73.1210\nE\nEAS (Emergency Alert System 11.1-11.62\nEAS signal test-automated systems 73.4097(*)\nEditorials, Political 73.1930\nEducational, Noncommercial FM stations on unreserved channels (NCE-FM) 73.513\nEducational stations, Noncommercial (TV) 73.621\nEffective field at one kilometer, Establishment of (AM) 73.186\nEmergency antennas 73.1680\nEmergency Broadcast System (EBS) 73.901-73.962\nEmergency Alert System (EAS) 11.1-11.62\nEmission limitations, AM transmission system 73.44\nEmployment opportunities, Equal 73.2080\nEmployment report 73.3612\nEngineering charts—\nAM 73.190\nFM 73.333\nTV 73.699\nEngineering standards of allocation (AM) 73.182\nEngineering, Standards of good practice NCR-FM 73.508\nEqual employment opportunities 73.2080\nEquipment performance measurements 73.1590\nEquipment tests 73.1610\nEstablishment of effective field at one kilometer (AM) 73.186\nEvaluation of broadcast applicant character 73.4280 (*)\nExclusivity, Territorial (Network)—\nAM 73.132\nFM 73.232\nTV 73.658\nExperimental authorizations 73.1510\nExperimental period, Operating during the (AM) 73.72\nExtension meters 73.1550\nF\nFAA communications, Broadcast of 73.4102 (*)\nFacilities, Automatic transmission system—\nAM 73.142\nFM 73.342\nNCE-FM 73.542\nFacilities authorizations; Broadcast; showing required (AM) 73.24\nFairness Doctrine 73.1910\nFCC Policies 73.4000 (*)\nFCC, Station inspections by 73.1225\nFencing requirements, AM transmission system 73.49\nFencing requirements, AM stations 73.49\nField measurements, AM directional antenna 73.61\nField strength charts, Groundwave (AM) 73.184\nField strength contours—\nFM 73.311\nTV 73.683\nField strength measurements: establishment of effective field 73.186\nField strength measurements—\nFM 73.314\nTV 73.686\nField strength measurements in support of applications or evidence at hearing (AM) 73.153\nField strength measurements to establish performance of directional antennas (AM) 73.151\nField strength requirements or, Minimum antenna heights (AM) 73.189\nField test authorizations, Special 73.1515\nFile, Political 73.1940\nFile, Public 73.3526-73.3527\nFiling of applications 73.3511-73.3550\nFiling of contracts 73.3613\nFilmed, taped, or recorded material; Broadcast of 73.1208\nFinancial qualifications—\nAM and FM 73.4100 (*)\nTV 73.4101 (*)\nFinancial qualifications, Certification of 73.4099(*)\nFM assignments, increasing availability 73.4107 (*)\nForeign broadcast stations—Permits to furnish programs 73.3545\nForfeitures 1.80\nFormat changes of stations 73.4110 (*)\nForms, Application and report 73.3500\nFM and AM programming, Duplication of 73.242\nFM assignment policies and procedures 73.4104 (*)\nFM broadcast channels, Numerical designation of 73.201\nFM multiplex subcarriers, Use of 73.293\nFM multiplex subcarriers transmission technical standards 73.319\nFM subsidiary communications services 73.295\nCommunication services 73.295\nFM transmitter site map submissions 73.4108\nFM/TV dual-language broadcasting in Puerto Rico 73.1210\nFrequency measurement, Carrier 73.1540\nFrequency departure tolerances, Carrier 73.1545\nG\nGeneral operating requirements (Subscription TV) 73.643\nGeneral requirements for type approval of modulation monitors (TV) 73.692\nGeneral requirements relating to logs 73.1800\nGrants—\nConditional 73.3592\nWithout hearing 73.3591\nGroundwave field strength charts (AM) 73.184\nGroundwave signals (AM) 73.183\nH\nHard Look Deficiencies and Amendments (as modified) (FM) 73.3522(a)(6)\nHearings, Designation of applications for 73.3593\nHours, Specified 73.1730\nI\nIdentification, Sponsorship; list retention, related requirements 73.1212\nIdentification, Station 73.1201\nIndicating instruments (requirements for)—\nAM 73.58\nFM 73.258\nNCE-FM 73.558\nTV 73.688\nIndicating instruments—specifications (meters) 73.1215\nInformation available on the Internet 73.3617\nInformation, Broadcasting emergency 73.1250\nInput power, Antenna; how determined (AM) 73.51\nInspection of program logs, Public 73.1850\nInspections, Station, by FCC 73.1225\nInspections, Transmission system 73.1580\nInstallation On or Construction Near an AM Tower 73.1692\nInstruments, Indicating (requirements for)—\nAM 73.58\nFM 73.258\nNCE-FM 73.558\nTV 73.688\nInstruments, indicating—specifications (meters) 73.1215\nInterference, Blanketing—\nAM 73.88\nFM 73.318\nInterference, Protection from—\nFM 73.209\nNCE-FM 73.509\nTV 73.612\nInterference to Astronomy, Research and Receiving installations, Notifications concerning 73.1030\nInterfering signal, Computation of (AM) 73.185\nInternational Broadcast stations 73.701-73.793\nDefinitions 73.701\nAssignment and use of frequencies 73.702\nGeographical zones and areas of reception 73.703\nNotification of filing of applications 73.1030\nEquipment tests 73.712\nProgram tests 73.713\nLicensing requirements 73.731\nAuthorizations 73.732\nNormal license period 73.733\nOperating power 73.751\nAntenna systems 73.753\nFrequency monitors 73.754\nModulation monitors 73.755\nTransmission system requirements 73.756\nAuxiliary transmitters 73.757\nAlternate main transmitters 73.758\nModification of transmission systems 73.759\nTime of operation 73.761\nStation inspection 73.1225\nStation license and seasonal schedules, posting of 73.1230\nInternational broadcast station operator requirements 73.764\nDetermining operating power 73.765\nModulation and bandwidth 73.766\nFrequency tolerance 73.1545\nAntenna structure marking and lighting 73.1213\nDiscontinuance of operation 73.1750\nLogs 73.781\nRetention of logs 73.782\nLogs, by whom kept 73.1800\nLog form 73.1800\nLog corrections 73.1800\nStation identification 73.787\nService; Commercial or sponsored programs 73.788\nSponsorship identification 73.1212\nRebroadcasts 73.1207\nEqual employment opportunities 73.2080\nInternational broadcasting agreements 73.1650\nL\nLetters received from the public, Retention of 73.1202\nLicense period, Station 73.1020\nLicensee-conducted contests 73.1216\nLicenses, station and operator, Posting of 73.1250\nLicensing, Acceptability of broadcast transmitters for (TV) 73.640\nLicensing by lottery or random selection 1.1601-1.1623, 73.3572, 73.3584, 73.3597\nLicensing policies (Subscription TV) 73.642\nLicensing requirements and service (NCE-FM) 73.503\nLighting and marking, Antenna structure 73.1213\nLimitation on daytime radiation (AM) 73.187\nLimited time 73.1725\nLists retention; Sponsorship identification; related requirements 73.1212\nLocation of transmitter—\nFM 73.315\nTV 73.685\nLocation, Station 73.1120\nLocation, Transmitter and antenna system (TV) 73.685\nLogs—\nGeneral requirements related to the station 73.1800\nStation 73.1820\nProgram 73.1810\nProgram, Public inspection of 73.1850\nRetention of 73.1840\nLogs and records, Availability to FCC 73.1226\nLottery or random selection licensing 1.1601-1.1623, 73.3572, 73.3584, 73.3597\nLottery information, Broadcast of 73.1211\nM\nMain transmitters 73.1665\nMaintenance and tests, Operation for 73.1520\nMarking and Lighting, Antenna structure 73.1213\nMeasurements, Antenna resistance and reactance (AM) 73.54\nMeasurements, Carrier frequency 73.1540\nMeasurements, Equipment performance 73.1590\nMeasurements, Field strength, for establishment of effective field at one mile. (AM) 73.186\nMeasurements, Field strength in support of applications or evidence at hearings (AM) 73.153\nMeasurements, Field strength—\nFM 73.314\nTV 73.686\nMeasurements, Field strength, to establish performance of directional antennas (AM) 73.151\nMeasurements, Equipment performance 73.1590\nMeters, Extension 73.1550\nMeters—specifications 73.1215\nMexican/U.S. Agreement 73.3570\nMexico—U.S. FM Broadcast Agreement, Channel Assignment under (NCE-FM) 73.504\nMinimum antenna heights or field strength requirements (AM) 73.189\nMinimum filing requirement (FM) 73.3564(a)\nMinimum operating schedule 73.1740\nMinimum separations between stations—\nFM 73.207\nNCE-FM 73.507\nTV 73.610\nMinimum separation, Stations at spacings below (FM) 73.213\nMinority ownership; tax certificates and distress sales 73.4140 (*)\nMisrepresentation in advertising bill- ings 73.1205\nMode and Operating power tolerances 73.1560\nModification of directional antenna data (AM) 73.152\nModification of facilities, Operation during 73.1615\nModification of transmission systems 73.1690\nModulation levels, AM, FM, and TV aural 73.1570\nModulation monitoring equipment, Visual 73.691\nMonitoring and alarm points, Automatic transmission system—\nAM 73.146\nFM 73.346\nNCE-FM 73.546\nMonitoring equipment, Visual modulation 73.691\nMonitoring point locations 73.158\nMonitors, Antenna (AM) 73.69\nMonitors, antenna, Requirements for authorization of (AM) 73.53\nMonitors, antenna, Sampling system for (AM) 73.68\nMultiple ownership 73.3555\nMultiplex subcarrier transmission technical standards, FM 73.319\nMultiplex subscribers, Use of—\nFM 73.293\nTV 73.665\nMultiplex subsidiary, Use of 73.667\nMultiplex transmission, Use of (AM) 73.127\nN\nNARBA (North American Regional Broadcasting Agreement) 73.3570\nNetwork, Affiliation agreements and program practices; territorial exclusivity in non-network program arrangements (TV) 73.658\nNetwork/AM and FM station affiliation agreements 73.4154 (*)\nNetwork signals—adversely affecting affiliate service 73.4157 (*)\nNetwork/station affiliation agreements—\nAM 73.132, 73.3613, 73.4154 (*)\nFM 73.232, 73.3613, 73.4154 (*)\nTV 73.658, 73.3613\nNetwork syndication 73.658\n(Network), Territorial exclusivity—\nAM 73.132\nFM 73.232\nTV 73.658\nNighttime service areas, Class II and III AM Stations; computation 73.4160 (*)\nNominal Power, Rounding of (AM) 73.31\nNoncommercial educational channel assignments under the United States-Mexico FM Broadcast Agreement 73.504\nNoncommercial educational FM stations and channels 73.506\nNoncommercial educational FM stations operating on unreserved channels 73.513\nNoncommercial educational stations (TV) 73.621\nNoncommercial nature—educational broadcast stations 73.4163 (*)\nNotifications concerning interference to Radio Astronomy, Research and Receiving installations 73.1030\nNumerical designation of FM broadcast channels 73.201\nNumerical designation of TV channels 73.603\nO\nObjections (informal) to applications 73.3587\nObscene language 73.4165 (*)\nObscene lyrics 73.4170 (*)\nOperating during the experimental period (AM) 73.72\nOperating on unreserved channels, Noncommercial educational broadcast stations (NCE-FM) 73.513\nOperating power, Determining—\nAM 73.51\nFM 73.267\nNCE-FM 73.567\nTV 73.663\nOperating power and mode tolerances 73.1560\nOperating requirements, General (Subscription TV operations) 73.643\nOperating schedule, Minimum 73.1740\nOperating schedule; time sharing (NCE-FM) 73.561\nOperation, Discontinuance of 73.1750\nOperation during modification of facilities 73.1615\nOperation for tests and maintenance 73.1520\nOperation of TV aural and visual transmitters 73.653\nOperation, Remote Control 73.1410\nOperation, Time of 73.1705\nOperation, Unauthorized 73.1745\nOperator and station licenses, Posting of 73.1230\nOperators, Chief 73.1870\nOperators, Transmitter duty 73.1860\nOverlap, Prohibited 73.509\nOwnership, Multiple 73.3555\nOwnership report 73.3615\nP\nPayment disclosure: Payola, plugola, kickbacks 73.4180 (*)\nPerformance measurements, Equipment 73.1590\nPerformance of directional antennas, Field strength measurements to establish (AM) 73.151\nPerformance requirements, AM transmission systems 73.40\nPermissible transmissions (FM) 73.277\nPersonal attacks 73.1920\nPetitions to deny 73.3584\nPlans, State-wide (NCE-FM) 73.502\nPoints, Reference, and distance computations (TV) 73.611\nPoint-to-point emergency messages 73.1250\nPolicies, Licensing (TV) 73.642\nPolicies of FCC 73.4000 (*)\nPolitical advertising by UHF translators 73.4195 (*)\nPolitical advertising—sponsorship identification 73.1212\nPolitical broadcasting and telecasting, The law of 73.4185 (*)\nPolitical candidate authorization notice and sponsorship identification 73.4190 (*)\nPolitical editorials 73.1930\nPolitical file 73.1940\nPortable test stations 73.1530\nPosting of station and operator licenses 73.1230\nPower and antenna height requirements—\nFM 73.211\nNCE-FM 73.511\nTV 73.614\nPower and mode tolerances, Operating 73.1560\nPower, nominal, Rounding of (AM) 73.31\nPower, operating, determining—\nAM 73.51\nFM 73.267\nNCE-FM 73.567\nTV 73.663\nPrediction of coverage—\nFM 73.313\nTV 73.684\nPresunrise service authorization (PSRA) and Post sunset service authorization (PSSA) 73.99\nPrime time access (TV) 73.658\nProcedure Manual: “The Public and Broadcasting” 73.4210 (*)\nProcessing of applications 73.3561-73.3587\nProgram logs 73.1810\nProgram logs, Public inspection of 73.1850\nProgram matter: Supplier identification 73.4215 (*)\nPrgoram practices, network, and Affiliation agreements; territorial exclusivity in non-network program arrangements (TV) 73.658\nProgram tests 73.1620\nProhibited overlap 73.509\nProofs of performance, partial and skeleton, Field strength measurements (AM) 73.154\nProtection from interference—\nFM 73.209\nNCE-FM 73.509\nTV 73.612\nProxy statements and tender offers 73.4266(*)\nPublic inspection file 73.3526-73.3527\nPublic inspection of program logs 73.1850\nPublic office, Broadcasts by candidates for 73.1940\nPuerto Rico TV/FM, dual-language broadcasting in 73.1210\nQ\nQuiet zone 73.1030\nR\nRadiation characteristics, Vertical plane 73.160\nRadiation, daytime, Limitation on (AM) 73.187\nRandom selection or lottery licensing 1.1601-1.1623, 73.23572, 73.3584, 73.3597\nRebroadcasts 73.1207\nRecorded, taped or filmed material; Broadcast of 73.1208\nRecording telephone conversations 73.1206\nRecords and logs, Availability to FCC 73.1226\nRecords, special technical 73.1835\nReference, Cross, to rules in other Parts 73.1010\nReference points and distance computations—\nFM 73.208\nTV 73.611\nReference to time 73.1209\nRemote control authorizations 73.1400\nRemote control operation 73.1410\nRemote reading antenna and common point ammeters (AM) 73.57\nRenewal period 73.1020\nReport and application forms 73.3500\nRequirements, Equipment and technical system performance (TV) 73.644\nRequirements for authorization of antenna monitors (AM) 73.53\nRequirements, Subscription TV, operating 73.643\nRequirements, Power and antenna height—\nAM 73.189\nFM 73.211\nNCE-FM 73.511\nTV 73.614\nRequirements, relating to logs, General 73.1800\nRequirements, Transmission system\nFM 73.317\nTV 73.687\nRequirements, Transmission system performance (AM) 73.40\nResponses and statements to Commission inquiries 73.1015\nRestrictions on use of channels (FM) 73.220\nRetention of letters received from the public 73.1202\nRetention of logs 73.1840\nRounding of nominal power (AM) 73.31\n(Rules common to all broadcast stations), Scope 73.1001\nRules in other Parts, Cross reference to 73.1010\nS\nSampling systems for antenna monitors (AM) 73.68\nSatellites, Direct broadcast 73.4091 (*)\nSCA—\nFM 73.293\nNCE-FM 73.593\nSchedule, Minimum operating 73.1740\nSchedule; Operating, time sharing (NCE-FM) 73.561\nSchool closings 73.1250\nScope of Subpart A (AM) 73.1\nScope of Subpart E (TV) 73.601\nScope of Subpart H (rules common to all broadcast stations) 73.1001\nSeparations (channel) (TV) 73.610\nSeparations, Minimum mileage, between co-channel and adjacent channel stations—\nFM 73.217\nNCE-FM 73.507\nSeparations, Stations at spacings below minimum (FM) 73.213\nService and licensing requirements (NCE-FM) 73.503\nShare time 73.1715\nSharing time, Operating schedule (NCE-FM) 73.561\nShort-spacing agreements: FM stations 73.4235 (*)\nShowing required; Applications for broadcast facilities (AM) 73.37\nSignal, Computation of interfering (AM) 73.185\nSignal, Groundwave (AM) 73.183\nSite, common antenna, Use of—\nFM 73.239\nTV 73.635\nSpacings, Stations below the minimum separations (FM) 73.213\nSpecial antenna test authorizations (AM) 73.157\nSpecial field test authorization 73.1515\nSpecial technical records 73.1835\nSpecial temporary authorizations (STA's) 73.1635\nSpecifications—Indicating instruments (meters) 73.1215\nSpecified hours 73.1730\nSponsorship identification list retention; related requirements 73.1212\nSponsorship identification rules, Applicability of 73.4242 (*)\nSTA's (Special temporary authorizations) 73.1635\nStandard time 73.1209\nStandards, FM multiplex subcarrier, technical 73.319\nStandards of allocation, Engineering (AM) 73.182\nStandards of good engineering practice—NCE-FM 73.508\nStandards, Stereophonic transmission (FM) 73.322\nStandards, Transmission 73.682\nState-wide plans (NCE-FM) 74.502\nStatements and responses to Commission inquiries 73.1015\nStation and operator licenses, Posting of 74.1230\nStation identification 73.1201\nStation inspections by FCC 73.1225\nStation license period 73.1020\nStation location 73.1120\nStation log 73.1820\nStation transferring 73.1150\nStations, Assignment of, to channels (AM) 73.28\nStations at spacings below the minimum separation (FM) 73.213\nStations, Noncommercial educational (TV) 73.621\nStations, Noncommercial educational FM, operating on unreserved channels 73.513\nStereophonic sound broadcasting—\nAM 73.128\nFM 73.297\nNCE-FM 73.597\nTV 73.669\nStereophonic pilot subcarriers—monophonic programming 73.4246 (*)\nStereophonic sound transmission standards—\nAM 73.128\nFM 73.322\nTV 73.682\nSubcarrier multiplex, transmission standards—\nFM 73.319\nSubcarrier, multiplex, Use of—\nFM 73.293\nTV 73.665\nSubliminal perception 73.4250 (*)\nSubpart A, Scope of (AM) 73.1\nSubpart E, Scope of (TV) 73.601\nSubpart H, Scope of (rules common to all broadcast stations) 73.1001\n(Subscription TV operations), Definitions 73.641\nSubsidiary Communications services—\nFM 73.295\nNCE-FM 73.595\nTV 73.667\nSubscription TV—\nCompeting applications 73.4247 (*)\nDefinitions 73.641\nLicensing policies 73.642\nOperating requirements 73.643\nTransmission systems 73.644\nSyndication, network 73.658\nT\nTable of assignments—\nFM 73.202\nTV 73.606\nTables (Distance-degree conversions and separations) (TV) 73.698\nTaped, filmed, or recorded material; Broadcast of 73.1208\nTax certificates and distress sales; Minority sales 73.4140(*)\nTax certificates: Issuance of 73.4255 (*)\nTeaser announcements 73.4260 (*)\nTechnical definitions—\nAM 73.14\nFM 73.310\nTV 73.681\nTechnical records, Special 73.1835\n(Technical standards), Definitions (TV) 73.681\nTelecommunications service on vertical blanking interval 73.646\nTelephone conversations, Broadcast of 73.1206\nTelephone conversation broadcasts (network and like sources) 73.4625 (*)\nTelevision channels, Numerical designation of 73.603\nTemporary authorizations, Special (STA's) 73.1635\nTender offers and proxy statements 73.4266(*)\nTerritorial exclusivily in non-network program arrangements; Affiliation agreements and network program practices (TV) 73.658\nTerritorial exclusivity, (Network)—\nAM 73.132\nFM 73.232\nTV 73.658\nTest authorization, Special field 73.1515\nTest stations, Portable 73.1530\nTesting antenna during daytime (AM) 73.157\nTests and maintenance, Operation for 73.1520\nTests of equipment 73.1610\nTests, Program 73.1620\nTime brokerage 73.4627 (*)\nTime of operation 73.1705\nTime, Limited 73.1725\nTime, Reference to 73.1209\nTime, Share 73.1715\nTime Sharing, Operating schedule (NCE-FM) 73.561\nTime, Unlimited 73.1710\nTolerances, Carrier frequency departure 73.1545\nTolerances, Directional antenna system (AM) 73.62\nTolerances, Operating power and mode 73.1560\nTone clusters: Audio attention-getting devices 73.4275 (*)\nTopographic data (FM) 73.3120\nTower lighting and painting 73.1213\nTransferring a station 73.1150\nTransmission standards, Changes in 73.1695\nTransmission standards (TV) 73.682\nTransmission system, Automatic (ATS) 73.1500\nTransmission system emission limitations, (AM) 73.44\nTransmission system inspections 73.1580\nTransmission system installation and safety requirements, AM 73.49\nTransmission system performance requirements (AM) 73.40\nTransmission system requirements—\nFM 73.317\nTV 73.687\nTransmission systems, Modification of 73.1690\nTransmission systems, subscription TV 73.644\nTransmissions, Permissible (FM) 73.277\nTransmitter duty operators 73.1860\nTransmitter, Location—\nFM 73.315\nTV 73.685\nTransmitter location and antenna system (TV) 73.685\nTransmitters, Auxiliary 73.1670\nTransmitters, broadcast, Acceptability of 73.1660\nTransmitters, Main 73.1665\nTransmitters, TV, aural and visual, Operation of 73.653\nTV Channel 6 protection (NCE-FM) 73.525\nTV colorburst during black/white programming 73.4272 (*)\nTV/FM dual-language broadcasting in Puerto Rico 73.1210\nType approval of modulation monitors, General requirements (TV) 73.692\nU\nUnauthorized operation 73.1745\nU.S./Mexican Agreement 73.3570\nUSA-Mexico FM Broadcast Agreement, Channel assignments under (NCE-FM) 73.504\nUnlimited time 73.1710\nUnreserved channels, Noncommercial educational broadcast stations operating on (NCE-FM) 73.513\nUse of channels, Restrictions on (FM) 73.220\nUse of common antenna site—\nFM 73.239\nTV 73.635\nUse of multiplex subcarriers—\nFM 73.293\nTV 73.665\nUse of multiplex transmissions (AM) 73.127\nV\nVertical blanking interval, Telecommunication service on 73.646\nVertical plane radiation characteristics 73.160\nVisual and aural TV transmitters, Operation of 73.653\nVisual modulation monitoring equipment 73.691\nW\nWant ads 73.1212\nZ\nZone, Quiet 73.1030\nZones—\nFM 73.205\nNCE-FM 73.505\nTV 73.609","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER C—BROADCAST RADIO SERVICES","PART 73—RADIO BROADCAST SERVICES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"14be07932001cad6049551ab3b91c98861d6816db45ff8fee76e254bdc09e71c","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-73.8000","next":"us/47-cfr-74.1"},"notice":"GroundRules: Original legal text. Not legal advice."}