| Pos | standard Number | publication date | Language | Description |
| 1 | ITU-R 610-1-1990 | 1990-01-01 | English | (WITHDRAWN) Protection of Allocations for Deep-Space Research - Section 2E - Space Research |
| 2 | ITU-R 658-1-1990 | 1990-01-01 | English | (WITHDRAWN) Mixed Analogue-and-Digital Transmission of Analogue Composite Television Signals over Long Distances - Section CMTT A - Television Transmission Standards and Performance Objectives |
| 3 | ITU-R 661-1-1990 | 1990-01-01 | English | (WITHDRAWN) Signals for the Alignment of International Sound-Programme Connections - Section CMTT D - Methods of Operation and Assessment of Performance of Sound-Programme Transmission Channels |
| 4 | ITU-R 677-1990 | 1990-01-01 | English | (WITHDRAWN) Radio Emission from Natural Sources at Frequencies Above 50 MHz - Section 5C - Effects of the Atmosphere (Radiometeorology) |
| 5 | ITU-R 717-1990 | 1990-01-01 | English | (WITHDRAWN) Tolerances for Transmission Time Differences Between the Vision and Sound Components of a Television Signal - Section CMTT E - Transmission of Signals with Multiplexing of Video, Sound and Data, and Signals of New Systems |
| 6 | ITU-R 718-1990 | 1990-01-01 | English | (WITHDRAWN) Digital Transmission of High-Quality Sound-Programme Signals on Distribution Circuits Using 480 kbit/s (496 kbit/s) per Audio Channel - Section CMTT C - Transmission Standards and Performance Objectives for Sound-Programme Channels |
| 7 | ITU-R 719-1990 | 1990-01-01 | English | (WITHDRAWN) Transmission of High- Quality Sound-Programme Analogue Signals over Mixed Analogue/Digital Circuits at 320 kbit/s - Section CMTT C - Transmission Standards and Performance Objectives for Sound-Programme Channels |
| 8 | ITU-R 720-1990 | 1990-01-01 | English | (WITHDRAWN) Measurement Methods and Test Procedures for Teletext Signals - Section CMTT B - Methods of Operation and Assessment of Performance of Television Transmissions |
| 9 | ITU-R 722-1990 | 1990-01-01 | English | (WITHDRAWN) Uniform Technical Standards and Uniform Operational Procedures for Satellite News Gathering (SNG) The Text of This Recommendation Is Published in Volume XII - Section 4B1 - Systems Aspects |
| 10 | ITU-R 723-1990 | 1990-01-01 | English | (WITHDRAWN) Transmission of Component-Coded Digital Television Signals for Contribution-Quality Applications at the Third Hierarchical Level of CCITT Recommendation G.702 - Section CMTT A - Television Transmission Standards and Performance Objectives |
| 11 | ITU-R 724-1990 | 1990-01-01 | English | (WITHDRAWN) Transmission of Digital Studio Quality Sound Signals over H1 Channels - Section CMTT C - Transmission Standards and Performance Objectives for Sound- Programme Channels |
| 12 | ITU-R 901-2 SPANISH-1990 | 1990-01-01 | Spanish | FREQUENCY ASSIGNMENT METHODS FOR TRUNKED MOBILE RADIO SYSTEMS |
| 13 | ITU-R 902-1 SPANISH-1990 | 1990-01-01 | Spanish | LEAKY-FEEDER SYSTEMS IN THE LAND MOBILE SERVICE |
| 14 | ITU-R 903-2 SPANISH-1990 | 1990-01-01 | Spanish | DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICE |
| 15 | ITU-R 904-2 SPANISH-1990 | 1990-01-01 | Spanish | AUTOMATIC DETERMINATION OF LOCATION AND GUIDANCE IN THE LAND MOBILE SERVICE |
| 16 | ITU-R 914-2 SPANISH-1990 | 1990-01-01 | Spanish | EFFICIENT USE OF THE RADIO SPECTRUM BY RADAR STATIONS IN THE RADIODETERMINATION SERVICE |
| 17 | ITU-R 917-2 SPANISH-1990 | 1990-01-01 | Spanish | PERMISSIBLE LEVELS OF INTERFERENCE INTO TELEPHONE CHANNELS IN THE MARITIME MOBILE-SATELLITE SERVICE |
| 18 | ITU-R 918-1 SPANISH-1990 | 1990-01-01 | Spanish | AVAILABILITY OF COMMUNICATIONS CIRCUITS IN THE MARITIME MOBILE-SATELLITE SERVICE |
| 19 | ITU-R 920-2 SPANISH-1990 | 1990-01-01 | Spanish | MARITIME SATELLITE SYSTEM PERFORMANCE AT LOW ELEVATION ANGLES |
| 20 | ITU-R 921-2 SPANISH-1990 | 1990-01-01 | Spanish | SYSTEM ASPECTS OF DIGITAL SHIP EARTH STATIONS |
| 21 | ITU-R 927-2 SPANISH-1990 | 1990-01-01 | Spanish | GENERAL CONSIDERATIONS RELATIVE TO HARMFUL INTERFERENCE FROM THE VIEWPOINT OF THE AERONAUTICAL MOBILE SERVICES AND THE AERONAUTICAL RADIONAVIGATION SERVICE |
| 22 | ITU-R BO.566-3-1990 | 1990-01-01 | English | Terminology Relating to the Use of Space Communication Techniques for Broadcasting - Section 10/11S - Terminology |
| 23 | ITU-R BO.566-3 FRENCH-1990 | 1990-01-01 | French | TERMINOLOGY RELATING TO THE USE OF SPACE COMMUNICATION TECHNIQUES FOR BROADCASTING |
| 24 | ITU-R BO.566-3 SPANISH-1990 | 1990-01-01 | Spanish | TERMINOLOGY RELATING TO THE USE OF SPACE COMMUNICATION TECHNIQUES FOR BROADCASTING |
| 25 | ITU-R RAPPORT M.902-1 FRENCH-1990 | 1990-01-01 | French | LEAKY-FEEDER SYSTEMS IN THE LAND MOBILE SERVICE |
| 26 | ITU-R RAPPORT M.901-2 FRENCH-1990 | 1990-01-01 | French | FREQUENCY ASSIGNMENT METHODS FOR TRUNKED MOBILE RADIO SYSTEMS |
| 27 | ITU-R RAPPORT M.778-2 FRENCH-1990 | 1990-01-01 | French | Wireless communication systems for persons with impaired hearing |
| 28 | ITU-R RAPPORT M.766-2 FRENCH-1990 | 1990-01-01 | French | Feasibility of frequency sharing between the GPS and other services |
| 29 | ITU-R RAPPORT M.763-3 FRENCH-1990 | 1990-01-01 | French | Signal level variation due to multipath effects and blockage by ships superstructure in maritime mobile-satellite service links |
| 30 | ITU-R RAPPORT M.741-3 FRENCH-1990 | 1990-01-01 | French | Multi-channel land mobile systems for dispatch traffic (with or without PSTN interconnection) |
| 31 | ITU-R RAPPORT M.319-7 FRENCH-1990 | 1990-01-01 | French | Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mobile services |
| 32 | ITU-R RAPPORT BT.1226 FRENCH-1990 | 1990-01-01 | French | Characteristics of a programme delivery control (PDC) system for video recording |
| 33 | ITU-R RAPPORT BT.1225 FRENCH-1990 | 1990-01-01 | French | Data broadcasting systems and services in an HDTV environment |
| 34 | ITU-R RAPPORT BT.1223 FRENCH-1990 | 1990-01-01 | French | A layered model approach for digital television |
| 35 | ITU-R REPORT M.1186-1990 | 1990-01-01 | English | Use of frequency band 4 200 MHz to 4 400 MHz by radio altimeters |
| 36 | ITU-R BR.407-4 FRENCH-1990 | 1990-01-01 | French | INTERNATIONAL EXCHANGE OF SOUND PROGRAMMES RECORDED IN ANALOGUE FORM |
| 37 | ITU-R BR.407-4 SPANISH-1990 | 1990-01-01 | Spanish | INTERNATIONAL EXCHANGE OF SOUND PROGRAMMES RECORDED IN ANALOGUE FORM |
| 38 | ITU-R REPORT M.1169-1990 | 1990-01-01 | English | Sea surface multipath effects in the aeronautical mobile-satellite service |
| 39 | ITU-R REPORT M.1163-1990 | 1990-01-01 | English | Coordination area of an earth station of the fixed-satellite service sharing the same frequency band with the radionavigation service |
| 40 | ITU-R REPORT M.1161-1990 | 1990-01-01 | English | Use of MF/HF DSC for automatic connection of calls in the maritime-mobile service MF and HF bands to the public switched network |
| 41 | ITU-R REPORT M.1159-1990 | 1990-01-01 | English | Characteristics of an automatic identification system for VHF and UHF transmitting stations in the maritime mobile service |
| 42 | ITU-R REPORT M.1158-1990 | 1990-01-01 | English | Data communication in the maritime mobile services using MF, HF and VHF frequencies |
| 43 | ITU-R REPORT M.1157-1990 | 1990-01-01 | English | Integration of public mobile radiocommunication systems |
| 44 | ITU-R BR.501-2-1990 | 1990-01-01 | English | APPRAISAL OF PROGRAMMES ON COLOUR FILM INTENDED FOR TELEVISION USE |
| 45 | ITU-R BR.501-2 FRENCH-1990 | 1990-01-01 | French | APPRAISAL OF PROGRAMMES ON COLOUR FILM INTENDED FOR TELEVISION USE |
| 46 | ITU-R BR.501-2 SPANISH-1990 | 1990-01-01 | Spanish | APPRAISAL OF PROGRAMMES ON COLOUR FILM INTENDED FOR TELEVISION USE |
| 47 | ITU-R REPORT M.1156-1990 | 1990-01-01 | English | Digital cellular public land mobile telecommunication systems (DCPLMTS) |
| 48 | ITU-R REPORT M.1155-1990 | 1990-01-01 | English | Adaptation of mobile radiocommunication technology to the needs of developing countries |
| 49 | ITU-R REPORT M.1153-1990 | 1990-01-01 | English | Future public land mobile telecommunication systems |
| 50 | ITU-R RAPPORT BT.1220 FRENCH-1990 | 1990-01-01 | French | Wider aspect ratio television systems |
| 51 | ITU-R RAPPORT BT.1219 FRENCH-1990 | 1990-01-01 | French | Synchronizing signals for the component digital studio |
| 52 | ITU-R REPORT M.1051-1-1990 | 1990-01-01 | English | Public mobile telephone service with aircraft |
| 53 | ITU-R REPORT M.1025-1-1990 | 1990-01-01 | English | Technical and operating characteristics of cordless telephones |
| 54 | ITU-R REPORT M.1023-1-1990 | 1990-01-01 | English | Frequency sharing between the land mobile service and the broadcasting service (television) below 1 GHz |
| 55 | ITU-R REPORT M.929-2-1990 | 1990-01-01 | English | Compatibility between the broadcasting service in the band of about 87-108 MHz and the aeronautical services in the band 108-136 MHz |
| 56 | ITU-R REPORT M.778-2-1990 | 1990-01-01 | English | Wireless communication systems for persons with impaired hearing |
| 57 | ITU-R REPORT M.766-2-1990 | 1990-01-01 | English | Feasibility of frequency sharing between the GPS and other services |
| 58 | ITU-R REPORT M.741-3-1990 | 1990-01-01 | English | Multi-channel land mobile systems for dispatch traffic (with or without PSTN interconnection) |
| 59 | ITU-R REPORT M.319-7-1990 | 1990-01-01 | English | Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mobile services |
| 60 | ITU-R REPORT BT.1226-1990 | 1990-01-01 | English | Characteristics of a programme delivery control (PDC) system for video recording |
| 61 | ITU-R REPORT BT.1225-1990 | 1990-01-01 | English | Data broadcasting systems and services in an HDTV environment |
| 62 | ITU-R REPORT BT.1223-1990 | 1990-01-01 | English | A layered model approach for digital television |
| 63 | ITU-R REPORT BT.1220-1990 | 1990-01-01 | English | Wider aspect ratio television systems |
| 64 | ITU-R REPORT BT.1219-1990 | 1990-01-01 | English | Synchronizing signals for the component digital studio |
| 65 | ITU-R REPORT BT.1218-1990 | 1990-01-01 | English | Measurements in HDTV |
| 66 | ITU-R REPORT BT.1217-1990 | 1990-01-01 | English | Future development of HDTV |
| 67 | ITU-R REPORT BT.1213-1990 | 1990-01-01 | English | Test pictures and sequences for subjective assessments of digital codecs |
| 68 | ITU-R REPORT BT.1212-1990 | 1990-01-01 | English | Measurements and test signals for digitally encoded colour television signals |
| 69 | ITU-R REPORT BT.1206-1990 | 1990-01-01 | English | Methods for picture quality assessment in relation to impairments from digital coding of television signals |
| 70 | ITU-R REPORT BT.1082-1-1990 | 1990-01-01 | English | Studies toward the unification of picture assessment methodology |
| 71 | ITU-R REPORT BT.1081-1-1990 | 1990-01-01 | English | The relative timing of sound and picture signals |
| 72 | ITU-R REPORT BT.1080.1-1990 | 1990-01-01 | English | International exchange of television programmes with data-encoded captions (sub-titles) |
| 73 | ITU-R REPORT BT.1077-1-1990 | 1990-01-01 | English | Enhanced 4:3 aspect ratio television systems |
| 74 | ITU-R REPORT BT.959-2-1990 | 1990-01-01 | English | Experimental results relating picture quality to objective magnitude of impairment |
| 75 | ITU-R REPORT BT.956-2-1990 | 1990-01-01 | English | Data broadcasting systems: signal and service quality field trials and theoretical studies |
| 76 | ITU-R REPORT BT.802-3-1990 | 1990-01-01 | English | Additional services using broadcasting channels |
| 77 | ITU-R REPORT BT.801-4-1990 | 1990-01-01 | English | The present state of high-definition television |
| 78 | ITU-R REPORT BT.628-4-1990 | 1990-01-01 | English | Automatic monitoring and control of television operation |
| 79 | ITU-R REPORT BT.629-4-1990 | 1990-01-01 | English | Digital coding of colour television signals |
| 80 | ITU-R REPORT BT.624-4-1990 | 1990-01-01 | English | Characteristics of television systems |
| 81 | ITU-R REPORT BS.1204-1990 | 1990-01-01 | English | Automatic synchronization of video and audio after transmission |
| 82 | ITU-R REPORT BS.1201-1990 | 1990-01-01 | English | Number of HF sound broadcasting transmitters using a single channel |
| 83 | ITU-R REPORT BS.1200-1990 | 1990-01-01 | English | The effect of delay in sound-programme operations |
| 84 | ITU-R REPORT BS.1060-1-1990 | 1990-01-01 | English | Energy saving methods in amplitude modulation broadcasting and their influence on reception quality |
| 85 | ITU-R REPORT BS.1059-1-1990 | 1990-01-01 | English | Characteristics of single-sideband systems in HF broadcasting |
| 86 | ITU-R REPORT BS.946-1-1990 | 1990-01-01 | English | Frequency-planning constraints on FM sound broadcasting in band 8 (VHF) |
| 87 | ITU-R REPORT BS.945-2-1990 | 1990-01-01 | English | Methods for the assessment of multiple interference |
| 88 | ITU-R REPORT BS.795-3-1990 | 1990-01-01 | English | Transmission of two or more sound programmes or information channels in television |
| 89 | ITU-R REPORT BS.516-4-1990 | 1990-01-01 | English | Field strength resulting from several electromagnetic fields |
| 90 | ITU-R REPORT BS.472-2-1990 | 1990-01-01 | English | Single-sideband reception for re-broadcasting applications within the Tropical Zone |
| 91 | ITU-R REPORT BS.464-5-1990 | 1990-01-01 | English | Polarization of emissions in frequency-modulation broadcasting in band 8 (VHF) |
| 92 | ITU-R REPORT BS.458-5-1990 | 1990-01-01 | English | Characteristics of systems in LF, MF and HF broadcasting |
| 93 | ITU-R REPORT BS.401-6-1990 | 1990-01-01 | English | Transmitting antennas in LF and MF broadcasting |
| 94 | ITU-R REPORT BS.300-7-1990 | 1990-01-01 | English | Stereophonic or multi-dimensional sound in frequency-modulation sound broadcasting |
| 95 | ITU-R REPORT BO.1228-1990 | 1990-01-01 | English | High quality sound/data standards for the broadcasting satellite service in the 12 GHz band |
| 96 | ITU-R REPORT BO.954-2-1990 | 1990-01-01 | English | Multiplexing methods for the emission of several digital audio signals and also data signals in broadcasting |
| 97 | ITU-R REPORT BO.953-2-1990 | 1990-01-01 | English | DIGITAL CODING FOR THE EMISSION OF HIGH-QUALITY SOUND SIGNALS IN SATELLITE BROADCASTING (15 kHz NOMINAL BANDWIDTH) |
| 98 | ITU-R REPORT BO.952-2-1990 | 1990-01-01 | English | Technical characteristics of feeder links to broadcasting satellites |
| 99 | ITU-R REPORT BO.809-3-1990 | 1990-01-01 | English | Inter-regional sharing of the 11.7 to 12.75 GHz frequency band between the broadcasting-satellite service and the fixed-satellite service |
| 100 | ITU-R REPORT BO.808-3-1990 | 1990-01-01 | English | Space-segment technology |
| 101 | ITU-R REPORT BO.807-3-1990 | 1990-01-01 | English | Unwanted emissions from broadcasting-satellite space stations |
| 102 | ITU-R REPORT BO.631-4-1990 | 1990-01-01 | English | Frequency sharing between the broadcasting-satellite service (sound and television) and terrestrial services |
| 103 | ITU-R REPORT BO.634-4-1990 | 1990-01-01 | English | Measured interference protection ratios for planning television broadcasting systems |
| 104 | ITU-R REPORT BO.632-4-1990 | 1990-01-01 | English | Technically suitable methods of modulation |
| 105 | ITU-R RAPPORT BO.631-4 FRENCH-1990 | 1990-01-01 | French | Frequency sharing between the broadcasting-satellite service (sound and television) and terrestrial services |
| 106 | ITU-R REPORT BO.473-5-1990 | 1990-01-01 | English | CHARACTERISTICS OF RECEIVING EQUIPMENT FOR THE BROADCASTING-SATELLITE SERVICE |
| 107 | ITU-R REPORT BO.215-7-1990 | 1990-01-01 | English | Systems for the broadcasting satellite service (sound and television) |
| 108 | ITU-R REPORT 1237-1990 | 1990-01-01 | English | SATELLITE NEWS GATHERING |
| 109 | ITU-R REPORT 1180-1990 | 1990-01-01 | English | DESIGN OF MOBILE SATELLITE SYSTEMS PROVIDING AERONAUTICAL, LAND AND MARITIME SERVICES USING SHARED RESOURCES |
| 110 | ITU-R REPORT BT.1079-1-1990 | 1990-01-01 | English | General characteristics of a conditional-access broadcasting system |
| 111 | ITU-R REPORT 1178-1990 | 1990-01-01 | English | EFFICIENT USE OF THE BANDS 1 544 - 1 545 MHz AND 1 645.5 - 1 646.5 MHz |
| 112 | ITU-R REPORT 1176-1990 | 1990-01-01 | English | INTERWORKING BETWEEN THE MOBILE SATELLITE SYSTEMS AND THE TERRESTRIAL NETWORKS FOR DATA TRANSMISSION SERVICES |
| 113 | ITU-R REPORT 1175-1990 | 1990-01-01 | English | 406 MHz GEOSTATIONARY SATELLITE DISTRESS ALERTING EXPERIMENT |
| 114 | ITU-R REPORT 1173-1990 | 1990-01-01 | English | TECHNICAL AND OPERATIONAL CONSIDERATIONS FOR AERONAUTICAL MOBILE-SATELLITE COMMUNICATIONS |
| 115 | ITU-R REPORT 1170-1990 | 1990-01-01 | English | MOBILE-SATELLITE COMMUNICATION SYSTEMS USING HIGHLY INCLINED ELLIPTICAL ORBITS |
| 116 | ITU-R REPORT 1167-1990 | 1990-01-01 | English | STUDY ON GENERAL QUESTIONS RELATING TO THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM |
| 117 | ITU-R REPORT 1160-1990 | 1990-01-01 | English | OPERATIONAL AND TECHNICAL CHARACTERISTICS OF THE SYSTEM FOR THE PROMULGATION OF MARITIME SAFETY INFORMATION USING HF NARROW-BAND DIRECT-PRINTING SYSTEMS |
| 118 | ITU-R REPORT 1145-1990 | 1990-01-01 | English | PROPAGATION OVER IRREGULAR TERRAIN WITH AND WITHOUT VEGETATION |
| 119 | ITU-R REPORT 1074-1-1990 | 1990-01-01 | English | SATELLITE TRANSMISSION OF MULTIPLEXED ANALOGUE COMPONENT (MAC) VISION SIGNALS |
| 120 | ITU-R REPORT 1073-1-1990 | 1990-01-01 | English | TELEVISION STANDARDS FOR THE BROADCASTING-SATELLITE SERVICE |
| 121 | ITU-R REPORT 1050-1-1990 | 1990-01-01 | English | TECHNICAL AND OPERATIONAL CONSIDERATIONS FOR A RADIODETERMINATION SATELLITE SERVICE IN BANDS 9 AND 10 |
| 122 | ITU-R BS.80-3-1990 | 1990-01-01 | English | Transmitting antennas in HF broadcasting |
| 123 | ITU-R BS.80-3 FRENCH-1990 | 1990-01-01 | French | Transmitting antennas in HF broadcasting |
| 124 | ITU-R BS.80-3 SPANISH-1990 | 1990-01-01 | Spanish | Transmitting antennas in HF broadcasting |
| 125 | ITU-R BS.139-3-1990 | 1990-01-01 | English | Transmitting antennas for sound broadcasting in the Tropical Zone |
| 126 | ITU-R BS.139-3 SPANISH-1990 | 1990-01-01 | Spanish | Transmitting antennas for sound broadcasting in the Tropical Zone |
| 127 | ITU-R BS.139-3 FRENCH-1990 | 1990-01-01 | French | Transmitting antennas for sound broadcasting in the Tropical Zone |
| 128 | ITU-R BS.411-4-1990 | 1990-01-01 | English | Fading Allowances in HF Broadcasting |
| 129 | ITU-R BS.411-4 FRENCH-1990 | 1990-01-01 | French | Fading Allowances in HF Broadcasting |
| 130 | ITU-R BS.411-4 SPANISH-1990 | 1990-01-01 | Spanish | Fading Allowances in HF Broadcasting |
| 131 | ITU-R REPORT 1049-1-1990 | 1990-01-01 | English | CONTROL OF PASSIVE INTERMODULATION PRODUCTS |
| 132 | ITU-R REPORT 1048-1-1990 | 1990-01-01 | English | FADING REDUCTION TECHNIQUES APPLICABLE TO SHIP EARTH-STATION ANTENNAS |
| 133 | ITU-R REPORT 1047-1-1990 | 1990-01-01 | English | COMPACT ANTENNAS FOR MOBILE SATELLITE COMMUNICATION |
| 134 | ITU-R RAPPORT 1045-1 FRENCH-1990 | 1990-01-01 | French | SATELLITE EPIRB COORDINATED TRAILS PROGRAMME AND PRE-OPERATIONAL DEMONSTRATIONS USING THE INMARSAT GEOSTATIONARY SPACE SEGMENT OPERATING IN THE 1.6 GHz BAND |
| 135 | ITU-R REPORT 1045-1-1990 | 1990-01-01 | English | SATELLITE EPIRB COORDINATED TRAILS PROGRAMME AND PRE-OPERATIONAL DEMONSTRATIONS USING THE INMARSAT GEOSTATIONARY SPACE SEGMENT OPERATING IN THE 1.6 GHz BAND |
| 136 | ITU-R BS.498-2 FRENCH-1990 | 1990-01-01 | French | IONOSPHERIC CROSS-MODULATION IN THE LF AND MF BROADCASTING BANDS |
| 137 | ITU-R BS.498-2 SPANISH-1990 | 1990-01-01 | Spanish | IONOSPHERIC CROSS-MODULATION IN THE LF AND MF BROADCASTING BANDS |
| 138 | ITU-R BS.559-2 FRENCH-1990 | 1990-01-01 | French | OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING |
| 139 | ITU-R BS.559-2 SPANISH-1990 | 1990-01-01 | Spanish | OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING |
| 140 | ITU-R BS.562-3 FRENCH-1990 | 1990-01-01 | French | SUBJECTIVE ASSESSMENT OF SOUND QUALITY |
| 141 | ITU-R BS.562-3 SPANISH-1990 | 1990-01-01 | Spanish | SUBJECTIVE ASSESSMENT OF SOUND QUALITY |
| 142 | ITU-R BS.598-1 FRENCH-1990 | 1990-01-01 | French | FACTORS INFLUENCING THE LIMITS OF AMPLITUDE-MODULATION SOUND-BROADCASTING COVERAGE IN BAND 6 (MF) |
| 143 | ITU-R BS.598-1 SPANISH-1990 | 1990-01-01 | Spanish | FACTORS INFLUENCING THE LIMITS OF AMPLITUDE-MODULATION SOUND-BROADCASTING COVERAGE IN BAND 6 (MF) |
| 144 | ITU-R REPORT 1036-1-1990 | 1990-01-01 | English | FREQUENCIES FOR HOMING AND LOCATING IN THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) |
| 145 | ITU-R BS.642-1 FRENCH-1990 | 1990-01-01 | French | Limiters for High-Quality Sound-Programme Signals |
| 146 | ITU-R BS.642-1 SPANISH-1990 | 1990-01-01 | Spanish | Limiters for High-Quality Sound-Programme Signals |
| 147 | ITU-R BS.644-1 FRENCH-1990 | 1990-01-01 | French | AUDIO QUALITY PARAMETERS FOR THE PERFORMANCE OF A HIGH-QUALITY SOUND-PROGRAMME TRANSMISSION CHAIN |
| 148 | ITU-R BS.644-1 SPANISH-1990 | 1990-01-01 | Spanish | AUDIO QUALITY PARAMETERS FOR THE PERFORMANCE OF A HIGH-QUALITY SOUND-PROGRAMME TRANSMISSION CHAIN |
| 149 | ITU-R BS.703 FRENCH-1990 | 1990-01-01 | French | Characteristics of AM Sound Broadcasting Reference Receivers for Planning Purposes |
| 150 | ITU-R BS.703 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of AM Sound Broadcasting Reference Receivers for Planning Purposes |
| 151 | ITU-R BS.704 FRENCH-1990 | 1990-01-01 | French | Characteristics of FM Sound Broadcasting Reference Receivers for Planning Purposes |
| 152 | ITU-R BS.704 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of FM Sound Broadcasting Reference Receivers for Planning Purposes |
| 153 | ITU-R REPORT 1033-1-1990 | 1990-01-01 | English | VHF RADIOTELEPHONE SYSTEMS WITH AUTOMATIC FACILITIES FOR THE MARITIME MOBILE SERVICE |
| 154 | ITU-R REPORT 1032-1-1990 | 1990-01-01 | English | RADIO NOISE ENVIRONMENT ON BOARD VESSELS |
| 155 | ITU-R REPORT 1027-1-1990 | 1990-01-01 | English | ADAPTIVE CODING/DECODING METHODS FOR NARROW-BAND DIRECT-PRINTING EQUIPMENT |
| 156 | ITU-R REPORT 1026-1-1990 | 1990-01-01 | English | USE OF NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT ON A SINGLE-FREQUENCY RADIO CHANNEL |
| 157 | ITU-R BS.708 FRENCH-1990 | 1990-01-01 | French | Determination of the Electro-Acoustical Properties of Studio Monitor Headphones |
| 158 | ITU-R BS.708 SPANISH-1990 | 1990-01-01 | Spanish | Determination of the Electro-Acoustical Properties of Studio Monitor Headphones |
| 159 | ITU-R REPORT 1018-1-1990 | 1990-01-01 | English | CO-CHANNEL AND ADJACENT-CHANNEL COORDINATION CRITERIA FOR SIMULTANEOUS USE OF DIFFERENT MODULATION TECHNIQUES IN THE MOBILE SERVICE |
| 160 | ITU-R REPORT 1012-1-1990 | 1990-01-01 | English | OPERATIONAL MODELLING OF HF RADIO PROPAGATION CONDITIONS AT HIGH LATITUDES |
| 161 | ITU-R REPORT 1008-1-1990 | 1990-01-01 | English | REFLECTION FROM THE SURFACE OF THE EARTH |
| 162 | ITU-R REPORT 927-2-1990 | 1990-01-01 | English | GENERAL CONSIDERATIONS RELATIVE TO HARMFUL INTERFERENCE FROM THE VIEWPOINT OF THE AERONAUTICAL MOBILE SERVICES AND THE AERONAUTICAL RADIONAVIGATION SERVICE |
| 163 | ITU-R REPORT 921-2-1990 | 1990-01-01 | English | SYSTEM ASPECTS OF DIGITAL SHIP EARTH STATIONS |
| 164 | ITU-R REPORT 920-2-1990 | 1990-01-01 | English | MARITIME SATELLITE SYSTEM PERFORMANCE AT LOW ELEVATION ANGLES |
| 165 | ITU-R REPORT 919-2-1990 | 1990-01-01 | English | Performance of a Low-Altitude, Polar-Orbiting Satellite EPIRB System - Question 90/8 |
| 166 | ITU-R REPORT 918-1-1990 | 1990-01-01 | English | AVAILABILITY OF COMMUNICATIONS CIRCUITS IN THE MARITIME MOBILE-SATELLITE SERVICE |
| 167 | ITU-R REPORT 917-2-1990 | 1990-01-01 | English | PERMISSIBLE LEVELS OF INTERFERENCE INTO TELEPHONE CHANNELS IN THE MARITIME MOBILE-SATELLITE SERVICE |
| 168 | ITU-R REPORT 914-2-1990 | 1990-01-01 | English | EFFICIENT USE OF THE RADIO SPECTRUM BY RADAR STATIONS IN THE RADIODETERMINATION SERVICE |
| 169 | ITU-R REPORT 904-2-1990 | 1990-01-01 | English | AUTOMATIC DETERMINATION OF LOCATION AND GUIDANCE IN THE LAND MOBILE SERVICE |
| 170 | ITU-R REPORT 903-2-1990 | 1990-01-01 | English | DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICE |
| 171 | ITU-R REPORT 902-1-1990 | 1990-01-01 | English | LEAKY-FEEDER SYSTEMS IN THE LAND MOBILE SERVICE |
| 172 | ITU-R REPORT 901-2-1990 | 1990-01-01 | English | FREQUENCY ASSIGNMENT METHODS FOR TRUNKED MOBILE RADIO SYSTEMS |
| 173 | ITU-R REPORT 900-2-1990 | 1990-01-01 | English | RADIO-PAGING SYSTEMS Standardization of code and format |
| 174 | ITU-R REPORT 899-1-1990 | 1990-01-01 | English | SYSTEMS OF MODULATION WITH HIGH SPECTRUM EFFICIENCY FOR THE LAND MOBILE SERVICE |
| 175 | ITU-R REPORT 895-2-1990 | 1990-01-01 | English | RADIO PROPAGATION AND CIRCUIT PERFORMANCE AT FREQUENCIES BELOW ABOUT 30 kHz |
| 176 | ITU-R REPORT 889-2-1990 | 1990-01-01 | English | REAL-TIME CHANNEL EVALUATION OF HF IONOSPHERIC RADIO CIRCUITS |
| 177 | ITU-R REPORT 888-2-1990 | 1990-01-01 | English | SHORT-TERM FORECASTING OF CRITICAL FREQUENCIES, OPERATIONAL MAXIMUM USABLE FREQUENCIES AND TOTAL ELECTRON CONTENT |
| 178 | ITU-R REPORT 880-2-1990 | 1990-01-01 | English | SHORT DISTANCE RADIO-WAVE PROPAGATION IN SPECIAL ENVIRONMENTS Buildings, tunnels, mines, etc. |
| 179 | ITU-R REPORT 809-3-1990 | 1990-01-01 | English | INTER-REGIONAL SHARING OF THE 11.7 TO 12.75 GHz FREQUENCY BAND BETWEEN THE BROADCASTING-SATELLITE SERVICE AND THE FIXED-SATELLITE SERVICE |
| 180 | ITU-R REPORT 761-3-1990 | 1990-01-01 | English | TECHNICAL AND OPERATING CHARACTERISTICS OF DISTRESS SYSTEMS IN THE MOBILE-SATELLITE SERVICE |
| 181 | ITU-R REPORT 727-3-1990 | 1990-01-01 | English | SHORT-TERM PREDICTION OF SOLAR-INDUCED VARIATIONS OF OPERATIONAL PARAMETERS FOR IONOSPHERIC PROPAGATION |
| 182 | ITU-R REPORT 716-3-1990 | 1990-01-01 | English | THE PHASE OF THE GROUND WAVE |
| 183 | ITU-R REPORT 714-2-1990 | 1990-01-01 | English | GROUND-WAVE PROPAGATION IN AN EXPONENTIAL ATMOSPHERE |
| 184 | ITU-R REPORT 585-4-1990 | 1990-01-01 | English | INTRODUCTION OF DIRECT-PRINTING TELEGRAPH EQUIPMENT IN THE MARITIME MOBILE SERVICE |
| 185 | ITU-R REPORT 562-4-1990 | 1990-01-01 | English | PROPAGATION DATA REQUIRED FOR TERRESTRIAL BROADCASTING AND POINT-TO-MULTIPOINT COMMUNICATION SYSTEMS IN THE FREQUENCY BANDS ABOVE 10 GHz |
| 186 | ITU-R REPORT 509-5-1990 | 1990-01-01 | English | MODULATION AND CODING TECHNIQUE FOR MOBILE SATELLITE SERVICE |
| 187 | ITU-R REPORT 501-5-1990 | 1990-01-01 | English | DIGITAL SELECTIVE-CALLING SYSTEM FOR FUTURE OPERATIONAL REQUIREMENTS OF THE MARITIME MOBILE SERVICE |
| 188 | ITU-R REPORT 499-5-1990 | 1990-01-01 | English | RADIO-PAGING SYSTEMS |
| 189 | ITU-R REPORT 463-5-1990 | 1990-01-01 | English | TRANSMISSION OF SEVERAL SOUND PROGRAMMES OR OTHER SIGNALS WITH A SINGLE TRANSMITTER IN FREQUENCY-MODULATION SOUND BROADCASING |
| 190 | ITU-R REPORT 266-7-1990 | 1990-01-01 | English | IONOSPHERIC PROPAGATION AND NOISE CHARACTERISTICS PERTINENT TO TERRESTRIAL RADIOCOMMUNICATION SYSTEMS DESIGN AND SERVICE PLANNING (Fading) |
| 191 | ITU-R REPORT 262-7-1990 | 1990-01-01 | English | ELF, VLF AND LF PROPAGATION IN AND THROUGH THE IONOSPHERE |
| 192 | ITU-R REPORT 259-7-1990 | 1990-01-01 | English | VHF IONOSPHERIC PROPAGATION |
| 193 | ITU-R REPORT 249-7-1990 | 1990-01-01 | English | THE USE OF OBLIQUE SOUNDING FOR PROPAGATION ANALYSIS AND OPTIMIZATION |
| 194 | ITU-R REPORT 239-7-1990 | 1990-01-01 | English | PROPAGATION STATISTICS REQUIRED FOR BROADCASTING SERVICES USING THE FREQUENCY RANGE 30 TO 1000 MHz |
| 195 | ITU-R REPORT 229-6-1990 | 1990-01-01 | English | ELECTRICAL CHARACTERISTICS OF THE SURFACE OF THE EARTH |
| 196 | ITU-R RAPPORT BO.807-3 FRENCH-1990 | 1990-01-01 | French | Unwanted emissions from broadcasting-satellite space stations |
| 197 | ITU-R RAPPORT BO.634-4 FRENCH-1990 | 1990-01-01 | French | Measured interference protection ratios for planning television broadcasting systems |
| 198 | ITU-R RAPPORT BO.632-4 FRENCH-1990 | 1990-01-01 | French | Technically suitable methods of modulation |
| 199 | ITU-R RAPPORT BO.473-5 FRENCH-1990 | 1990-01-01 | French | Characteristics of receiving equipment for the broadcasting-satellite service |
| 200 | ITU-R RAPPORT 1237 FRENCH-1990 | 1990-01-01 | French | SATELLITE NEWS GATHERING |
| 201 | ITU-R RAPPORT 1184 FRENCH-1990 | 1990-01-01 | French | DEMONSTRATIONS PREOPERATIONNELLES DE RLS PAR SATELLITE UTILISANT LE SECTEUR SPATIAL GEOSTATIONNAIRE D'INMARSAT DANS LA BANDE DES 1,6 GHz |
| 202 | ITU-R RAPPORT 1178 FRENCH-1990 | 1990-01-01 | French | EFFICIENT USE OF THE BANDS 1 544 - 1 545 MHz AND 1 645.5 - 1 646.5 MHz |
| 203 | ITU-R RAPPORT 1176 FRENCH-1990 | 1990-01-01 | French | INTERWORKING BETWEEN THE MOBILE SATELLITE SYSTEMS AND THE TERRESTRIAL NETWORKS FOR DATA TRANSMISSION SERVICES |
| 204 | ITU-R RAPPORT 1175 FRENCH-1990 | 1990-01-01 | French | 406 MHz GEOSTATIONARY SATELLITE DISTRESS ALERTING EXPERIMENT |
| 205 | ITU-R RAPPORT 1173 FRENCH-1990 | 1990-01-01 | French | TECHNICAL AND OPERATIONAL CONSIDERATIONS FOR AERONAUTICAL MOBILE-SATELLITE COMMUNICATIONS |
| 206 | ITU-R RAPPORT 1172 FRENCH-1990 | 1990-01-01 | French | PARTAGE ET REUTILISATION DES FREQUENCES ENTRE SYSTEMES DANS LES SERVICES MOBILES PAR SATELLITE FONCTIONNANT AUX FREQUENCES MOYENNES ET ELEVEES DE LA BANDE 9 |
| 207 | ITU-R RAPPORT 1170 FRENCH-1990 | 1990-01-01 | French | MOBILE-SATELLITE COMMUNICATION SYSTEMS USING HIGHLY INCLINED ELLIPTICAL ORBITS |
| 208 | ITU-R RAPPORT 1167 FRENCH-1990 | 1990-01-01 | French | STUDY ON GENERAL QUESTIONS RELATING TO THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM |
| 209 | ITU-R RAPPORT 1160 FRENCH-1990 | 1990-01-01 | French | OPERATIONAL AND TECHNICAL CHARACTERISTICS OF THE SYSTEM FOR THE PROMULGATION OF MARITIME SAFETY INFORMATION USING HF NARROW-BAND DIRECT-PRINTING SYSTEMS |
| 210 | ITU-R RAPPORT 1145 FRENCH-1990 | 1990-01-01 | French | PROPAGATION OVER IRREGULAR TERRAIN WITH AND WITHOUT VEGETATION |
| 211 | ITU-R RAPPORT 1074-1 FRENCH-1990 | 1990-01-01 | French | SATELLITE TRANSMISSION OF MULTIPLEXED ANALOGUE COMPONENT (MAC) VISION SIGNALS |
| 212 | ITU-R RAPPORT 1073-1 FRENCH-1990 | 1990-01-01 | French | TELEVISION STANDARDS FOR THE BROADCASTING-SATELLITE SERVICE |
| 213 | ITU-R RAPPORT 1050-1 FRENCH-1990 | 1990-01-01 | French | TECHNICAL AND OPERATIONAL CONSIDERATIONS FOR A RADIODETERMINATION SATELLITE SERVICE IN BANDS 9 AND 10 |
| 214 | ITU-R RAPPORT 1049-1 FRENCH-1990 | 1990-01-01 | French | CONTROL OF PASSIVE INTERMODULATION PRODUCTS |
| 215 | ITU-R INFORME 1049-1 SPANISH-1990 | 1990-01-01 | Spanish | CONTROL OF PASSIVE INTERMODULATION PRODUCTS |
| 216 | ITU-R RAPPORT 1048-1 FRENCH-1990 | 1990-01-01 | French | FADING REDUCTION TECHNIQUES APPLICABLE TO SHIP EARTH-STATION ANTENNAS |
| 217 | ITU-R RAPPORT 1047-1 FRENCH-1990 | 1990-01-01 | French | COMPACT ANTENNAS FOR MOBILE SATELLITE COMMUNICATION |
| 218 | ITU-R RAPPORT 1036-1 FRENCH-1990 | 1990-01-01 | French | FREQUENCIES FOR HOMING AND LOCATING IN THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) |
| 219 | ITU-R RAPPORT 1033-1 FRENCH-1990 | 1990-01-01 | French | VHF RADIOTELEPHONE SYSTEMS WITH AUTOMATIC FACILITIES FOR THE MARITIME MOBILE SERVICE |
| 220 | ITU-R RAPPORT 1032-1 FRENCH-1990 | 1990-01-01 | French | RADIO NOISE ENVIRONMENT ON BOARD VESSELS |
| 221 | ITU-R RAPPORT 1027-1 FRENCH-1990 | 1990-01-01 | French | ADAPTIVE CODING/DECODING METHODS FOR NARROW-BAND DIRECT-PRINTING EQUIPMENT |
| 222 | ITU-R RAPPORT 1026-1 FRENCH-1990 | 1990-01-01 | French | USE OF NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT ON A SINGLE-FREQUENCY RADIO CHANNEL |
| 223 | ITU-R RAPPORT 1018-1 FRENCH-1990 | 1990-01-01 | French | CO-CHANNEL AND ADJACENT-CHANNEL COORDINATION CRITERIA FOR SIMULTANEOUS USE OF DIFFERENT MODULATION TECHNIQUES IN THE MOBILE SERVICE |
| 224 | ITU-R RAPPORT 1012-1 FRENCH-1990 | 1990-01-01 | French | OPERATIONAL MODELLING OF HF RADIO PROPAGATION CONDITIONS AT HIGH LATITUDES |
| 225 | ITU-R RAPPORT 1008-1 FRENCH-1990 | 1990-01-01 | French | REFLECTION FROM THE SURFACE OF THE EARTH |
| 226 | ITU-R RAPPORT 921-2 FRENCH-1990 | 1990-01-01 | French | SYSTEM ASPECTS OF DIGITAL SHIP EARTH STATIONS |
| 227 | ITU-R RAPPORT 900-2 FRENCH-1990 | 1990-01-01 | French | RADIO-PAGING SYSTEMS Standardization of code and format |
| 228 | ITU-R RAPPORT 899-1 FRENCH-1990 | 1990-01-01 | French | SYSTEMS OF MODULATION WITH HIGH SPECTRUM EFFICIENCY FOR THE LAND MOBILE SERVICE |
| 229 | ITU-R RAPPORT 895-2 FRENCH-1990 | 1990-01-01 | French | RADIO PROPAGATION AND CIRCUIT PERFORMANCE AT FREQUENCIES BELOW ABOUT 30 kHz |
| 230 | ITU-R RAPPORT 889-2 FRENCH-1990 | 1990-01-01 | French | REAL-TIME CHANNEL EVALUATION OF HF IONOSPHERIC RADIO CIRCUITS |
| 231 | ITU-R RAPPORT 888-2 FRENCH-1990 | 1990-01-01 | French | SHORT-TERM FORECASTING OF CRITICAL FREQUENCIES, OPERATIONAL MAXIMUM USABLE FREQUENCIES AND TOTAL ELECTRON CONTENT |
| 232 | ITU-R RAPPORT 880-2 FRENCH-1990 | 1990-01-01 | French | SHORT DISTANCE RADIO-WAVE PROPAGATION IN SPECIAL ENVIRONMENTS Buildings, tunnels, mines, etc. |
| 233 | ITU-R RAPPORT 809-3 FRENCH-1990 | 1990-01-01 | French | INTER-REGIONAL SHARING OF THE 11.7 TO 12.75 GHz FREQUENCY BAND BETWEEN THE BROADCASTING-SATELLITE SERVICE AND THE FIXED-SATELLITE SERVICE |
| 234 | ITU-R RAPPORT 761-3 FRENCH-1990 | 1990-01-01 | French | TECHNICAL AND OPERATING CHARACTERISTICS OF DISTRESS SYSTEMS IN THE MOBILE-SATELLITE SERVICE |
| 235 | ITU-R BT.472-3 FRENCH-1990 | 1990-01-01 | French | Video-Frequency Characteristics of a Television System to Be Used for the International Exchange of Programmes between Countries That Have Adopted 625-Line Colour or Monochrome Systems |
| 236 | ITU-R BT.472-3 SPANISH-1990 | 1990-01-01 | Spanish | Video-Frequency Characteristics of a Television System to Be Used for the International Exchange of Programmes between Countries That Have Adopted 625-Line Colour or Monochrome Systems |
| 237 | ITU-R RAPPORT 727-3 FRENCH-1990 | 1990-01-01 | French | SHORT-TERM PREDICTION OF SOLAR-INDUCED VARIATIONS OF OPERATIONAL PARAMETERS FOR IONOSPHERIC PROPAGATION |
| 238 | ITU-R RAPPORT 716-3 FRENCH-1990 | 1990-01-01 | French | THE PHASE OF THE GROUND WAVE |
| 239 | ITU-R RAPPORT 714-2 FRENCH-1990 | 1990-01-01 | French | GROUND-WAVE PROPAGATION IN AN EXPONENTIAL ATMOSPHERE |
| 240 | ITU-R RAPPORT 585-4 FRENCH-1990 | 1990-01-01 | French | INTRODUCTION OF DIRECT-PRINTING TELEGRAPH EQUIPMENT IN THE MARITIME MOBILE SERVICE |
| 241 | ITU-R RAPPORT 562-4 FRENCH-1990 | 1990-01-01 | French | PROPAGATION DATA REQUIRED FOR TERRESTRIAL BROADCASTING AND POINT-TO-MULTIPOINT COMMUNICATION SYSTEMS IN THE FREQUENCY BANDS ABOVE 10 GHz |
| 242 | ITU-R RAPPORT 509-5 FRENCH-1990 | 1990-01-01 | French | MODULATION AND CODING TECHNIQUE FOR MOBILE SATELLITE SERVICE |
| 243 | ITU-R RAPPORT 501-5 FRENCH-1990 | 1990-01-01 | French | DIGITAL SELECTIVE-CALLING SYSTEM FOR FUTURE OPERATIONAL REQUIREMENTS OF THE MARITIME MOBILE SERVICE |
| 244 | ITU-R RAPPORT 499-5 FRENCH-1990 | 1990-01-01 | French | RADIO-PAGING SYSTEMS |
| 245 | ITU-R RAPPORT 463-5 FRENCH-1990 | 1990-01-01 | French | TRANSMISSION OF SEVERAL SOUND PROGRAMMES OR OTHER SIGNALS WITH A SINGLE TRANSMITTER IN FREQUENCY-MODULATION SOUND BROADCASING |
| 246 | ITU-R RAPPORT 266-7 FRENCH-1990 | 1990-01-01 | French | IONOSPHERIC PROPAGATION AND NOISE CHARACTERISTICS PERTINENT TO TERRESTRIAL RADIOCOMMUNICATION SYSTEMS DESIGN AND SERVICE PLANNING (Fading) |
| 247 | ITU-R RAPPORT 262-7 FRENCH-1990 | 1990-01-01 | French | ELF, VLF AND LF PROPAGATION IN AND THROUGH THE IONOSPHERE |
| 248 | ITU-R RAPPORT 259-7 FRENCH-1990 | 1990-01-01 | French | VHF IONOSPHERIC PROPAGATION |
| 249 | ITU-R RAPPORT 249-7 FRENCH-1990 | 1990-01-01 | French | THE USE OF OBLIQUE SOUNDING FOR PROPAGATION ANALYSIS AND OPTIMIZATION |
| 250 | ITU-R RAPPORT 239-7 FRENCH-1990 | 1990-01-01 | French | PROPAGATION STATISTICS REQUIRED FOR BROADCASTING SERVICES USING THE FREQUENCY RANGE 30 TO 1000 MHz |
| 251 | ITU-R RAPPORT 229-6 FRENCH-1990 | 1990-01-01 | French | ELECTRICAL CHARACTERISTICS OF THE SURFACE OF THE EARTH |
| 252 | ITU-R QUESTION 98/5-1990 | 1990-01-01 | English | Transmission of digital data for the updating of electronic chart display systems |
| 253 | ITU-R QUESTION 91-1/4-1990 | 1990-01-01 | English | Technical and operating characteristics of the radiodetermination-satellite service |
| 254 | ITU-R QUESTION 88-1/4-1990 | 1990-01-01 | English | Propagation and mobile earth station antenna characteristics for mobile-satellite services |
| 255 | ITU-R QUESTION 62-2/5-1990 | 1990-01-01 | English | Interference to the aeronautical mobile and aeronautical radionavigation services |
| 256 | ITU-R RAPPORT BT.1218 FRENCH-1990 | 1990-01-01 | French | Measurements in HDTV |
| 257 | ITU-R RAPPORT BT.1217 FRENCH-1990 | 1990-01-01 | French | Future development of HDTV |
| 258 | ITU-R RAPPORT BT.1213 FRENCH-1990 | 1990-01-01 | French | Test pictures and sequences for subjective assessments of digital codecs |
| 259 | ITU-R RAPPORT BT.1212 FRENCH-1990 | 1990-01-01 | French | Measurements and test signals for digitally encoded colour television signals |
| 260 | ITU-R RAPPORT BT.1210 FRENCH-1990 | 1990-01-01 | French | Error-protection strategies for data broadcasting services |
| 261 | ITU-R RAPPORT BT.1209 FRENCH-1990 | 1990-01-01 | French | Measures for the avoidance of possible interference generated by digital television studio equipment |
| 262 | ITU-R RAPPORT BT.1208 FRENCH-1990 | 1990-01-01 | French | Telesoftware Services |
| 263 | ITU-R RAPPORT BT.1207 FRENCH-1990 | 1990-01-01 | French | Reference model for data broadcasting |
| 264 | ITU-R RAPPORT BT.1206 FRENCH-1990 | 1990-01-01 | French | Methods for picture quality assessment in relation to impairments from digital coding of television signals |
| 265 | ITU-R RAPPORT BT.1082-1 FRENCH-1990 | 1990-01-01 | French | STUDIES TOWARD THE UNIFICATION OF PICTURE ASSESSMENT METHODOLOGY |
| 266 | ITU-R RAPPORT BT.1081-1 FRENCH-1990 | 1990-01-01 | French | The relative timing of sound and picture signals |
| 267 | ITU-R RAPPORT BT.1080-1 FRENCH-1990 | 1990-01-01 | French | International exchange of television programmes with data-encoded captions (sub-titles) |
| 268 | ITU-R PLAN-1990 | 1990-01-01 | English | (WITHDRAWN) Plan of Volumes I to XV, XVIIth Plenary Assembly of the CCIR |
| 269 | ITU-R PI.684-1990 | 1990-01-01 | English | Prediction of Field Strength at Frequencies Below About 500 khz - Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz |
| 270 | ITU-R PI.683 SPANISH-1990 | 1990-01-01 | Spanish | SKY-WAVE FIELD STRENGTH PREDICTION METHOD FOR PROPAGATION TO AIRCRAFT AT ABOUT 500 kHz |
| 271 | ITU-R PI.683 FRENCH-1990 | 1990-01-01 | French | SKY-WAVE FIELD STRENGTH PREDICTION METHOD FOR PROPAGATION TO AIRCRAFT AT ABOUT 500 IrHz |
| 272 | ITU-R PI.683-1990 | 1990-01-01 | English | Sky-Wave Field Strength Prediction Method for Propagation to Aircraft at About 500 kHz - Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz |
| 273 | ITU-R PI.372-5-1990 | 1990-01-01 | English | Use of Data on Radio Noise - Section 6B - Radio Noise |
| 274 | ITU-R P.581-2 SPANISH-1990 | 1990-01-01 | Spanish | |
| 275 | ITU-R P.581-2 FRENCH-1990 | 1990-01-01 | French | |
| 276 | ITU-R P.581-2-1990 | 1990-01-01 | English | |
| 277 | ITU-R OPINION 90-1990 | 1990-01-01 | English | Equipment Interconnection in Professional Programme Production Installations |
| 278 | ITU-R OPINION 83-1-1990 | 1990-01-01 | English | Data Broadcasting Services |
| 279 | ITU-R OPINION 75-1-1990 | 1990-01-01 | English | Systems for Signal Interface Connection between Television Receivers and Associated Equipment |
| 280 | ITU-R OPINION 74-1-1990 | 1990-01-01 | English | Systems for Signal Interface Connection between Sound-Broadcasting Receivers and Associated Equipment |
| 281 | ITU-R OPINION 2-2-1990 | 1990-01-01 | English | Cooperation with the International Special Committee on Radio Interface - Question 4/1, 10/1, 35/1, 46/1, 57/1 and 81/1 |
| 282 | ITU-R F.283-5-1990 | 1990-01-01 | English | Radio-frequency channel arrangements for low and medium capacity analogue or digital fixed wireless systems operating in the 2 GHz band |
| 283 | ITU-R F.283-5 FRENCH-1990 | 1990-01-01 | French | RADIO-FREQUENCY CHANNEL ARRANGEMENTS FOR LOW AND MEDIUM CAPACITY ANALOGUE OR DIGITAL RADIO-RELAY SYSTEMS OPERATING IN THE 2 GHz BAND |
| 284 | ITU-R F.283-5 SPANISH-1990 | 1990-01-01 | Spanish | Radio-frequency channel arrangements for low and medium capacity analogue or digital fixed wireless systems operating in the 2 GHz band |
| 285 | ITU-R RAPPORT BT.1079-1 FRENCH-1990 | 1990-01-01 | French | General characteristics of a conditional-access broadcasting system |
| 286 | ITU-R RAPPORT BT.962-2 FRENCH-1990 | 1990-01-01 | French | THE FILTERING, SAMPLING AND MULTIPLEXING FOR DIGITAL ENCODING OF COLOUR TELEVISION SIGNALS |
| 287 | ITU-R F.348-4 FRENCH-1990 | 1990-01-01 | French | ARRANGEMENT OF CHANNELS IN MULTI-CHANNEL SINGLE-SIDEBAND AND INDEPENDENT-SIDEBAND TRANSMITTERS FOR LONG-RANGE CIRCUITS OPERATING AT FREQUENCIES BELOW ABOUT 30 MHz |
| 288 | ITU-R F.348-4 SPANISH-1990 | 1990-01-01 | Spanish | ARRANGEMENT OF CHANNELS IN MULTI-CHANNEL SINGLE-SIDEBAND AND INDEPENDENT-SIDEBAND TRANSMITTERS FOR LONG-RANGE CIRCUITS OPERATING AT FREQUENCIES BELOW ABOUT 30 MHz |
| 289 | ITU-R RAPPORT BT.959-2 FRENCH-1990 | 1990-01-01 | French | Experimental results relating picture quality to objective magnitude of impairment |
| 290 | ITU-R RAPPORT BT.956-2 FRENCH-1990 | 1990-01-01 | French | Data broadcasting systems: signal and service quality field trials and theoretical studies |
| 291 | ITU-R RAPPORT BT.802-3 FRENCH-1990 | 1990-01-01 | French | ADDITIONAL SERVICES USING CHANNEL BROADCASTING |
| 292 | ITU-R RAPPORT BT.801-4 FRENCH-1990 | 1990-01-01 | French | The present state of high-definition television |
| 293 | ITU-R RAPPORT BT.629-4 FRENCH-1990 | 1990-01-01 | French | Digital coding of colour television signals |
| 294 | ITU-R RAPPORT BT.628-4 FRENCH-1990 | 1990-01-01 | French | Automatic monitoring and control of television operation |
| 295 | ITU-R RAPPORT BT.624-4 FRENCH-1990 | 1990-01-01 | French | Characteristics of television systems |
| 296 | ITU-R F.695 FRENCH-1990 | 1990-01-01 | French | AVAILABILITY OBJECTIVES FOR REAL DIGITAL RADIO-RELAY LINKS FORMING PART OF A HIGH-GRADE CIRCUIT WITHIN AN INTEGRATED SERVICES DIGITAL NETWORK |
| 297 | ITU-R F.695 SPANISH-1990 | 1990-01-01 | Spanish | AVAILABILITY OBJECTIVES FOR REAL DIGITAL RADIO-RELAY LINKS FORMING PART OF A HIGH-GRADE CIRCUIT WITHIN AN INTEGRATED SERVICES DIGITAL NETWORK |
| 298 | ITU-R RAPPORT BS.1204 FRENCH-1990 | 1990-01-01 | French | AUTOMATIC SYNCHRONIZATION OF VIDEO AND AUDIO AFTER TRANSMISSION |
| 299 | ITU-R RAPPORT BS.1201 FRENCH-1990 | 1990-01-01 | French | NUMBER OF HF SOUND BROADCASTING TRANSMITTERS USING A SINGLE CHANNEL |
| 300 | ITU-R RAPPORT BS.1200 FRENCH-1990 | 1990-01-01 | French | THE EFFECT OF DELAY IN SOUND-PROGRAMME OPERATIONS |
| 301 | ITU-R RAPPORT BS.1060-1 FRENCH-1990 | 1990-01-01 | French | ENERGY SAVING METHODS IN AMPLITUDE MODULATION BROADCASTING AND THEIR INFLUENCE ON RECEPTION QUALITY |
| 302 | ITU-R RAPPORT BS.1059-1 FRENCH-1990 | 1990-01-01 | French | Characteristics of single-sideband systems in HF broadcasting |
| 303 | ITU-R RAPPORT BS.946-1 FRENCH-1990 | 1990-01-01 | French | FREQUENCY-PLANNING CONSTRAINTS OF FM SOUND BROADCASTING IN BAND 8 (VHF) |
| 304 | ITU-R RAPPORT BS.945-2 FRENCH-1990 | 1990-01-01 | French | Methods for the assessment of multiple interference |
| 305 | ITU-R RAPPORT BS.472-2 FRENCH-1990 | 1990-01-01 | French | Single-sideband reception for re-broadcasting applications within the Tropical Zone |
| 306 | ITU-R RAPPORT BS.464-5 FRENCH-1990 | 1990-01-01 | French | Polarization of emissions in frequency-modulation broadcasting in band 8 (VHF) |
| 307 | ITU-R RAPPORT BS.458-5 FRENCH-1990 | 1990-01-01 | French | Characteristics of systems in LF, MF and HF broadcasting |
| 308 | ITU-R RAPPORT BS.401-6 FRENCH-1990 | 1990-01-01 | French | Transmitting antennas in LF and MF broadcasting |
| 309 | ITU-R RAPPORT BS.304-3 FRENCH-1990 | 1990-01-01 | French | Fading characteristics for sound broadcasting in the Tropical Zone |
| 310 | ITU-R RAPPORT BS.300-7 FRENCH-1990 | 1990-01-01 | French | Stereophonic or multi-dimensional sound in frequency-modulation sound broadcasting |
| 311 | ITU-R RAPPORT BO.1228 FRENCH-1990 | 1990-01-01 | French | High quality sound/data standards for the broadcasting satellite service in the 12 GHz band |
| 312 | ITU-R RAPPORT BO.954-2 FRENCH-1990 | 1990-01-01 | French | Multiplexing methods for the emission of several digital audio signals and also data signals in broadcasting |
| 313 | ITU-R RAPPORT BO.953-2 FRENCH-1990 | 1990-01-01 | French | DIGITAL CODING FOR THE EMISSION OF HIGH-QUALITY SOUND SIGNALS IN SATELLITE BROADCASTING (15 kHz NOMINAL BANDWIDTH) |
| 314 | ITU-R RAPPORT BO.952-2 FRENCH-1990 | 1990-01-01 | French | Technical characteristics of feeder links to broadcasting satellites |
| 315 | ITU-R RAPPORT BO.808-3 FRENCH-1990 | 1990-01-01 | French | Space-segment technology |
| 316 | ITU-R RAPPORT BO.215-7 FRENCH-1990 | 1990-01-01 | French | Systems for the broadcasting satellite service (sound and television) |
| 317 | ITU-R RAPPORT BS.516-4 FRENCH-1990 | 1990-01-01 | French | Field strength resulting from several electromagnetic fields |
| 318 | ITU-R INFORME M.1186 SPANISH-1990 | 1990-01-01 | Spanish | Use of frequency band 4 200 MHz to 4 400 MHz by radio altimeters |
| 319 | ITU-R INFORME BT.1220 SPANISH-1990 | 1990-01-01 | Spanish | Wider aspect ratio television systems |
| 320 | ITU-R INFORME BT.1219 SPANISH-1990 | 1990-01-01 | Spanish | Synchronizing signals for the component digital studio |
| 321 | ITU-R INFORME BS.1060-1 SPANISH-1990 | 1990-01-01 | Spanish | ENERGY SAVING METHODS IN AMPLITUDE MODULATION BROADCASTING AND THEIR INFLUENCE ON RECEPTION QUALITY |
| 322 | ITU-R INFORME BS.1059-1 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of single-sideband systems in HF broadcasting |
| 323 | ITU-R INFORME BS.946-1 SPANISH-1990 | 1990-01-01 | Spanish | FREQUENCY-PLANNING CONSTRAINTS OF FM SOUND BROADCASTING IN BAND 8 (VHF) |
| 324 | ITU-R HDBK CBS-1990 | 1990-01-01 | English | Compatibility between the Broadcasting Service in the Band of About 87-108 MHz and the Aeronautical Services in the Band 108-137 MHz - Recommendation 591 (SG 8); Report 929 (SG 8); Report 1198 (SG 10); Decision 71 (SG 8 and 10) |
| 325 | ITU-R INFORME 229-6 SPANISH-1990 | 1990-01-01 | Spanish | ELECTRICAL CHARACTERISTICS OF THE SURFACE OF THE EARTH |
| 326 | ITU-R INFORME 239-7 SPANISH-1990 | 1990-01-01 | Spanish | PROPAGATION STATISTICS REQUIRED FOR BROADCASTING SERVICES USING THE FREQUENCY RANGE 30 TO 1000 MHz |
| 327 | ITU-R INFORME 249-7 SPANISH-1990 | 1990-01-01 | Spanish | THE USE OF OBLIQUE SOUNDING FOR PROPAGATION ANALYSIS AND OPTIMIZATION |
| 328 | ITU-R INFORME 259-7 SPANISH-1990 | 1990-01-01 | Spanish | VHF IONOSPHERIC PROPAGATION |
| 329 | ITU-R INFORME 262-7 SPANISH-1990 | 1990-01-01 | Spanish | ELF, VLF AND LF PROPAGATION IN AND THROUGH THE IONOSPHERE |
| 330 | ITU-R INFORME 266-7 SPANISH-1990 | 1990-01-01 | Spanish | IONOSPHERIC PROPAGATION AND NOISE CHARACTERISTICS PERTINENT TO TERRESTRIAL RADIOCOMMUNICATION SYSTEMS DESIGN AND SERVICE PLANNING (Fading) |
| 331 | ITU-R INFORME 473-5 SPANISH-1990 | 1990-01-01 | Spanish | CHARACTERISTICS OF RECEIVING EQUIPMENT FOR THE BROADCASTING-SATELLITE SERVICE |
| 332 | ITU-R INFORME 499-5 SPANISH-1990 | 1990-01-01 | Spanish | RADIO-PAGING SYSTEMS |
| 333 | ITU-R INFORME 501-5 SPANISH-1990 | 1990-01-01 | Spanish | DIGITAL SELECTIVE-CALLING SYSTEM FOR FUTURE OPERATIONAL REQUIREMENTS OF THE MARITIME MOBILE SERVICE |
| 334 | ITU-R INFORME 509-5 SPANISH-1990 | 1990-01-01 | Spanish | MODULATION AND CODING TECHNIQUE FOR MOBILE SATELLITE SERVICE |
| 335 | ITU-R INFORME 562-4 SPANISH-1990 | 1990-01-01 | Spanish | PROPAGATION DATA REQUIRED FOR TERRESTRIAL BROADCASTING AND POINT-TO-MULTIPOINT COMMUNICATION SYSTEMS IN THE FREQUENCY BANDS ABOVE 10 GHz |
| 336 | ITU-R INFORME 585-4 SPANISH-1990 | 1990-01-01 | Spanish | INTRODUCTION OF DIRECT-PRINTING TELEGRAPH EQUIPMENT IN THE MARITIME MOBILE SERVICE |
| 337 | ITU-R INFORME 714-2 SPANISH-1990 | 1990-01-01 | Spanish | GROUND-WAVE PROPAGATION IN AN EXPONENTIAL ATMOSPHERE |
| 338 | ITU-R INFORME 716-3 SPANISH-1990 | 1990-01-01 | Spanish | THE PHASE OF THE GROUND WAVE |
| 339 | ITU-R INFORME 727-3 SPANISH-1990 | 1990-01-01 | Spanish | SHORT-TERM PREDICTION OF SOLAR-INDUCED VARIATIONS OF OPERATIONAL PARAMETERS FOR IONOSPHERIC PROPAGATION |
| 340 | ITU-R INFORME 761-3 SPANISH-1990 | 1990-01-01 | Spanish | TECHNICAL AND OPERATING CHARACTERISTICS OF DISTRESS SYSTEMS IN THE MOBILE-SATELLITE SERVICE |
| 341 | ITU-R INFORME 809-3 SPANISH-1990 | 1990-01-01 | Spanish | INTER-REGIONAL SHARING OF THE 11.7 TO 12.75 GHz FREQUENCY BAND BETWEEN THE BROADCASTING-SATELLITE SERVICE AND THE FIXED-SATELLITE SERVICE |
| 342 | ITU-R INFORME 880-2 SPANISH-1990 | 1990-01-01 | Spanish | SHORT DISTANCE RADIO-WAVE PROPAGATION IN SPECIAL ENVIRONMENTS Buildings, tunnels, mines, etc. |
| 343 | ITU-R INFORME 888-2 SPANISH-1990 | 1990-01-01 | Spanish | SHORT-TERM FORECASTING OF CRITICAL FREQUENCIES, OPERATIONAL MAXIMUM USABLE FREQUENCIES AND TOTAL ELECTRON CONTENT |
| 344 | ITU-R INFORME 889-2 SPANISH-1990 | 1990-01-01 | Spanish | REAL-TIME CHANNEL EVALUATION OF HF IONOSPHERIC RADIO CIRCUITS |
| 345 | ITU-R INFORME 895-2 SPANISH-1990 | 1990-01-01 | Spanish | RADIO PROPAGATION AND CIRCUIT PERFORMANCE AT FREQUENCIES BELOW ABOUT 30 kHz |
| 346 | ITU-R INFORME 899-1 SPANISH-1990 | 1990-01-01 | Spanish | SYSTEMS OF MODULATION WITH HIGH SPECTRUM EFFICIENCY FOR THE LAND MOBILE SERVICE |
| 347 | ITU-R INFORME 900-2 SPANISH-1990 | 1990-01-01 | Spanish | RADIO-PAGING SYSTEMS Standardization of code and format |
| 348 | ITU-R INFORME 1008-1 SPANISH-1990 | 1990-01-01 | Spanish | REFLECTION FROM THE SURFACE OF THE EARTH |
| 349 | ITU-R INFORME 1012-1 SPANISH-1990 | 1990-01-01 | Spanish | OPERATIONAL MODELLING OF HF RADIO PROPAGATION CONDITIONS AT HIGH LATITUDES |
| 350 | ITU-R INFORME 1018-1 SPANISH-1990 | 1990-01-01 | Spanish | CO-CHANNEL AND ADJACENT-CHANNEL COORDINATION CRITERIA FOR SIMULTANEOUS USE OF DIFFERENT MODULATION TECHNIQUES IN THE MOBILE SERVICE |
| 351 | ITU-R INFORME 1026-1 SPANISH-1990 | 1990-01-01 | Spanish | USE OF NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT ON A SINGLE-FREQUENCY RADIO CHANNEL |
| 352 | ITU-R INFORME 1032-1 SPANISH-1990 | 1990-01-01 | Spanish | RADIO NOISE ENVIRONMENT ON BOARD VESSELS |
| 353 | ITU-R INFORME 1033-1 SPANISH-1990 | 1990-01-01 | Spanish | VHF RADIOTELEPHONE SYSTEMS WITH AUTOMATIC FACILITIES FOR THE MARITIME MOBILE SERVICE |
| 354 | ITU-R INFORME 1036-1 SPANISH-1990 | 1990-01-01 | Spanish | FREQUENCIES FOR HOMING AND LOCATING IN THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) |
| 355 | ITU-R INFORME 1047-1 SPANISH-1990 | 1990-01-01 | Spanish | COMPACT ANTENNAS FOR MOBILE SATELLITE COMMUNICATION |
| 356 | ITU-R INFORME 1048-1 SPANISH-1990 | 1990-01-01 | Spanish | FADING REDUCTION TECHNIQUES APPLICABLE TO SHIP EARTH-STATION ANTENNAS |
| 357 | ITU-R INFORME 1073-1 SPANISH-1990 | 1990-01-01 | Spanish | TELEVISION STANDARDS FOR THE BROADCASTING-SATELLITE SERVICE |
| 358 | ITU-R INFORME 1074-1 SPANISH-1990 | 1990-01-01 | Spanish | SATELLITE TRANSMISSION OF MULTIPLEXED ANALOGUE COMPONENT (MAC) VISION SIGNALS |
| 359 | ITU-R INFORME 1145 SPANISH-1990 | 1990-01-01 | Spanish | PROPAGATION OVER IRREGULAR TERRAIN WITH AND WITHOUT VEGETATION |
| 360 | ITU-R INFORME 1160 SPANISH-1990 | 1990-01-01 | Spanish | OPERATIONAL AND TECHNICAL CHARACTERISTICS OF THE SYSTEM FOR THE PROMULGATION OF MARITIME SAFETY INFORMATION USING HF NARROW-BAND DIRECT-PRINTING SYSTEMS |
| 361 | ITU-R INFORME 1167 SPANISH-1990 | 1990-01-01 | Spanish | STUDY ON GENERAL QUESTIONS RELATING TO THE GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM |
| 362 | ITU-R INFORME 1170 SPANISH-1990 | 1990-01-01 | Spanish | MOBILE-SATELLITE COMMUNICATION SYSTEMS USING HIGHLY INCLINED ELLIPTICAL ORBITS |
| 363 | ITU-R INFORME 1172 SPANISH-1990 | 1990-01-01 | Spanish | COMPARTICI脫N Y REUTILIZACI脫N DE FRECUENCIAS ENTRE SISTEMAS EN LOS SERVICIOS M脫VILES POR SAT脡LITE QUE FUNCIONAN EN LOS TRAMOS MEDIO A ELEVADO DE LA BANDA 9 |
| 364 | ITU-R INFORME 1173 SPANISH-1990 | 1990-01-01 | Spanish | TECHNICAL AND OPERATIONAL CONSIDERATIONS FOR AERONAUTICAL MOBILE-SATELLITE COMMUNICATIONS |
| 365 | ITU-R INFORME 1175 SPANISH-1990 | 1990-01-01 | Spanish | 406 MHz GEOSTATIONARY SATELLITE DISTRESS ALERTING EXPERIMENT |
| 366 | ITU-R INFORME 1176 SPANISH-1990 | 1990-01-01 | Spanish | INTERWORKING BETWEEN THE MOBILE SATELLITE SYSTEMS AND THE TERRESTRIAL NETWORKS FOR DATA TRANSMISSION SERVICES |
| 367 | ITU-R INFORME 1178 SPANISH-1990 | 1990-01-01 | Spanish | EFFICIENT USE OF THE BANDS 1 544 - 1 545 MHz AND 1 645.5 - 1 646.5 MHz |
| 368 | ITU-R INFORME 1184 SPANISH-1990 | 1990-01-01 | Spanish | DESMOSTRACIONES PREOPERACIONALES DEL SISTEMA DE RADIOBALIZAS DE LOCALIZACI脫N DE SINIESTROS POR SAT脡LITE EN 1,6 GHz QUE UILIZAN EL SEGMENTO ESPACIAL GEOESTACIONARIO DE INMARSAT |
| 369 | ITU-R INFORME 1237 SPANISH-1990 | 1990-01-01 | Spanish | SATELLITE NEWS GATHERING |
| 370 | ITU-R M.218-2-1990 | 1990-01-01 | English | PREVENTION OF INTERFERENCE TO RADIO RECEPTION ON BOARD SHIPS |
| 371 | ITU-R M.218-2 FRENCH-1990 | 1990-01-01 | French | PREVENTION OF INTERFERENCE TO RADIO RECEPTION ON BOARD SHIPS |
| 372 | ITU-R M.218-2 SPANISH-1990 | 1990-01-01 | Spanish | PREVENTION OF INTERFERENCE TO RADIO RECEPTION ON BOARD SHIPS |
| 373 | ITU-R M.428-3-1990 | 1990-01-01 | English | DIRECTION-FINDING AND/OR HOMING IN THE 2 MHz BAND ON BOARD SHIPS |
| 374 | ITU-R M.428-3 FRENCH-1990 | 1990-01-01 | French | DIRECTION-FINDING AND/OR HOMING IN THE 2 MHz BAND ON BOARD SHIPS |
| 375 | ITU-R M.428-3 SPANISH-1990 | 1990-01-01 | Spanish | DIRECTION-FINDING AND/OR HOMING IN THE 2 MHz BAND ON BOARD SHIPS |
| 376 | ITU-R M.488-1-1990 | 1990-01-01 | English | EQUIVALENT POWERS OF DOUBLE-SIDEBAND AND SINGLE-SIDEBAND RADIOTELEPHONE EMISSIONS IN THE MARITIME MOBILE SERVICE |
| 377 | ITU-R M.488-1 FRENCH-1990 | 1990-01-01 | French | EQUIVALENT POWERS OF DOUBLE-SIDEBAND AND SINGLE-SIDEBAND RADIOTELEPHONE EMISSIONS IN THE MARITIME MOBILE SERVICE |
| 378 | ITU-R M.488-1 SPANISH-1990 | 1990-01-01 | Spanish | EQUIVALENT POWERS OF DOUBLE-SIDEBAND AND SINGLE-SIDEBAND RADIOTELEPHONE EMISSIONS IN THE MARITIME MOBILE SERVICE |
| 379 | ITU-R M.540-2-1990 | 1990-01-01 | English | OPERATIONAL AND TECHNICAL CHARACTERISTICS FOR AN AUTOMATED DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF NAVIGATIONAL AND METEOROLOGICAL WARNINGS AND URGENT INFORMATION TO SHIPS |
| 380 | ITU-R M.540-2 FRENCH-1990 | 1990-01-01 | French | OPERATIONAL AND TECHNICAL CHARACTERISTICS FOR AN AUTOMATED DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF NAVIGATIONAL AND METEOROLOGICAL WARNINGS AND URGENT INFORMATION TO SHIPS |
| 381 | ITU-R M.540-2 SPANISH-1990 | 1990-01-01 | Spanish | OPERATIONAL AND TECHNICAL CHARACTERISTICS FOR AN AUTOMATED DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF NAVIGATIONAL AND METEOROLOGICAL WARNINGS AND URGENT INFORMATION TO SHIPS |
| 382 | ITU-R M.546-2-1990 | 1990-01-01 | English | HYPOTHETICAL TELEPHONE REFERENCE CIRCUIT IN THE AERONAUTICAL, LAND AND MARITIME MOBILE-SATELLITE SERVICES |
| 383 | ITU-R M.546-2 FRENCH-1990 | 1990-01-01 | French | HYPOTHETICAL TELEPHONE REFERENCE CIRCUIT IN THE AERONAUTICAL, LAND AND MARITIME MOBILE-SATELLITE SERVICES |
| 384 | ITU-R M.546-2 SPANISH-1990 | 1990-01-01 | Spanish | HYPOTHETICAL TELEPHONE REFERENCE CIRCUIT IN THE AERONAUTICAL, LAND AND MARITIME MOBILE-SATELLITE SERVICES |
| 385 | ITU-R INFORME BS.945-2 SPANISH-1990 | 1990-01-01 | Spanish | METHODS FOR THE ASSESSMENT OF MULTIPLE INTERFERENCE |
| 386 | ITU-R INFORME BO.632-4 SPANISH-1990 | 1990-01-01 | Spanish | Technically suitable methods of modulation |
| 387 | ITU-R INFORME BO.631-4 SPANISH-1990 | 1990-01-01 | Spanish | Frequency sharing between the broadcasting-satellite service (sound and television) and terrestrial services |
| 388 | ITU-R INFORME BO.215-7 SPANISH-1990 | 1990-01-01 | Spanish | Systems for the broadcasting satellite service (sound and television) |
| 389 | ITU-R M.688-1990 | 1990-01-01 | English | TECHNICAL CHARACTERISTICS FOR A HIGH FREQUENCY DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF HIGH SEAS AND NAVTEX-TYPE MARITIME SAFETY INFORMATION |
| 390 | ITU-R M.688 FRENCH-1990 | 1990-01-01 | French | TECHNICAL CHARACTERISTICS FOR A HIGH FREQUENCY DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF HIGH SEAS AND NAVTEX-TYPE MARITIME SAFETY INFORMATION |
| 391 | ITU-R M.688 SPANISH-1990 | 1990-01-01 | Spanish | TECHNICAL CHARACTERISTICS FOR A HIGH FREQUENCY DIRECT-PRINTING TELEGRAPH SYSTEM FOR PROMULGATION OF HIGH SEAS AND NAVTEX-TYPE MARITIME SAFETY INFORMATION |
| 392 | ITU-R M.692-1990 | 1990-01-01 | English | NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT USING A SINGLE-FREQUENCY CHANNEL |
| 393 | ITU-R M.692 FRENCH-1990 | 1990-01-01 | French | NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT USING A SINGLE-FREQUENCY CHANNEL |
| 394 | ITU-R M.692 SPANISH-1990 | 1990-01-01 | Spanish | NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT USING A SINGLE-FREQUENCY CHANNEL |
| 395 | ITU-R M.693-1990 | 1990-01-01 | English | TECHNICAL CHARACTERISTICS OF VHF EMERGENCY POSITION-INDICATING RADIO BEACONS USING DIGITAL SELECTIVE CALLING (DSC VHF EPIRB) |
| 396 | ITU-R M.693 FRENCH-1990 | 1990-01-01 | French | TECHNICAL CHARACTERISTICS OF VHF EMERGENCY POSITION-INDICATING RADIO BEACONS USING DIGITAL SELECTIVE CALLING (DSC VHF EPIRB) |
| 397 | ITU-R M.693 SPANISH-1990 | 1990-01-01 | Spanish | TECHNICAL CHARACTERISTICS OF VHF EMERGENCY POSITION-INDICATING RADIO BEACONS USING DIGITAL SELECTIVE CALLING (DSC VHF EPIRB) |
| 398 | ITU-R INFORME 1027-1 SPANISH-1990 | 1990-01-01 | Spanish | ADAPTIVE CODING/DECODING METHODS FOR NARROW-BAND DIRECT-PRINTING EQUIPMENT |
| 399 | ITU-R RAPPORT M.1186 FRENCH-1990 | 1990-01-01 | French | Use of frequency band 4 200 MHz to 4 400 MHz by radio altimeters |
| 400 | ITU-R RAPPORT M.1169 FRENCH-1990 | 1990-01-01 | French | Sea surface multipath effects in the aeronautical mobile-satellite service |
| 401 | ITU-R RAPPORT M.1166 FRENCH-1990 | 1990-01-01 | French | Technical characteristics of GPS differential transmissions from maritime radiobeacons |
| 402 | ITU-R RAPPORT M.1165 FRENCH-1990 | 1990-01-01 | French | Transmission of digital data for the updating of electronic chart display systems (ECDIS) |
| 403 | ITU-R RAPPORT M.1163 FRENCH-1990 | 1990-01-01 | French | Coordination area of an earth station of the fixed-satellite service sharing the same frequency band with the radionavigation service |
| 404 | ITU-R RAPPORT M.1161 FRENCH-1990 | 1990-01-01 | French | Use of MF/HF DSC for automatic connection of calls in the maritime-mobile service MF and HF bands to the public switched network |
| 405 | ITU-R RAPPORT M.1159 FRENCH-1990 | 1990-01-01 | French | Characteristics of an automatic identification system for VHF and UHF transmitting stations in the maritime mobile service |
| 406 | ITU-R RAPPORT M.1158 FRENCH-1990 | 1990-01-01 | French | Data communication in the maritime mobile services using MF, HF and VHF frequencies |
| 407 | ITU-R RAPPORT M.1157 FRENCH-1990 | 1990-01-01 | French | Integration of public mobile radiocommunication systems |
| 408 | ITU-R RAPPORT M.1156 FRENCH-1990 | 1990-01-01 | French | Digital cellular public land mobile telecommunication systems (DCPLMTS) |
| 409 | ITU-R RAPPORT M.1155 FRENCH-1990 | 1990-01-01 | French | Adaptation of mobile radiocommunication technology to the needs of developing countries |
| 410 | ITU-R RAPPORT M.1153 FRENCH-1990 | 1990-01-01 | French | Future public land mobile telecommunication systems |
| 411 | ITU-R RAPPORT M.1051-1 FRENCH-1990 | 1990-01-01 | French | Public mobile telephone service with aircraft |
| 412 | ITU-R RAPPORT M.1025-1 FRENCH-1990 | 1990-01-01 | French | Technical and operating characteristics of cordless telephones |
| 413 | ITU-R RAPPORT M.1023-1 FRENCH-1990 | 1990-01-01 | French | Frequency sharing between the land mobile service and the broadcasting service (television) below 1 GHz |
| 414 | ITU-R RAPPORT M.929-2 FRENCH-1990 | 1990-01-01 | French | Compatibility between the broadcasting service in the band of about 87-108 MHz and the aeronautical services in the band 108-136 MHz |
| 415 | ITU-R RAPPORT M.927-2 FRENCH-1990 | 1990-01-01 | French | GENERAL CONSIDERATIONS RELATIVE TO HARMFUL INTERFERENCE FROM THE VIEWPOINT OF THE AERONAUTICAL MOBILE SERVICES AND THE AERONAUTICAL RADIONAVIGATION SERVICE |
| 416 | ITU-R RAPPORT M.918-1 FRENCH-1990 | 1990-01-01 | French | Availability of communications circuits in the maritime mobile-satellite service |
| 417 | ITU-R RAPPORT M.914-2 FRENCH-1990 | 1990-01-01 | French | Efficient use of the radio spectrum by radar stations in the radiodetermination service |
| 418 | ITU-T F.73-1990 | 1990-01-01 | English | Operational Principles for Communication between Terminals of the International Telex Service and Data Terminal Equipment on Packet Switched Public Data Networks - Telegraph and Mobile Services - Operations and Quality of Service - Study Group I 9pp |
| 419 | ITU-T F.73 FRENCH-1990 | 1990-01-01 | French | OPERATIONAL PRINCIPLES FOR COMMUNICATION BETWEEN TERMINALS OF THE INTERNATIONAL TELEX SERVICE AND DATA TERMINAL EQUIPMENT ON PACKET SWITCHED PUBLIC DATA NETWORKS |
| 420 | ITU-T F.73 SPANISH-1990 | 1990-01-01 | Spanish | OPERATIONAL PRINCIPLES FOR COMMUNICATION BETWEEN TERMINALS OF THE INTERNATIONAL TELEX SERVICE AND DATA TERMINAL EQUIPMENT ON PACKET SWITCHED PUBLIC DATA NETWORKS |
| 421 | ITU-R INFORME BS.516-4 SPANISH-1990 | 1990-01-01 | Spanish | Field strength resulting from several electromagnetic fields |
| 422 | ITU-R INFORME BS.472-2 SPANISH-1990 | 1990-01-01 | Spanish | Single-sideband reception for re-broadcasting applications within the Tropical Zone |
| 423 | ITU-R INFORME BT.1223 SPANISH-1990 | 1990-01-01 | Spanish | A layered model approach for digital television |
| 424 | ITU-R INFORME BT.1225 SPANISH-1990 | 1990-01-01 | Spanish | Data broadcasting systems and services in an HDTV environment |
| 425 | ITU-R INFORME BT.1226 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of a programme delivery control (PDC) system for video recording |
| 426 | ITU-R INFORME BS.458-5 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of systems in LF, MF and HF broadcasting |
| 427 | ITU-R INFORME BS.401-6 SPANISH-1990 | 1990-01-01 | Spanish | Transmitting antennas in LF and MF broadcasting |
| 428 | ITU-R RUEGO 2-2 SPANISH-1990 | 1990-01-01 | Spanish | COLABORACIÓN CON EL COMITÉ INTERNACIONAL ESPECIAL DE PERTURBACIONES RADIOELÉCTRICAS |
| 429 | ITU-R INFORME BS.304-3 SPANISH-1990 | 1990-01-01 | Spanish | Fading characteristics for sound broadcasting in the Tropical Zone |
| 430 | ITU-R INFORME BS.300-7 SPANISH-1990 | 1990-01-01 | Spanish | Stereophonic or multi-dimensional sound in frequency-modulation sound broadcasting |
| 431 | ITU-R RAPPORT BT.1077-1 FRENCH-1990 | 1990-01-01 | French | Enhanced 4:3 aspect ratio television systems |
| 432 | ITU-R REPORT M.1166-1990 | 1990-01-01 | English | TECHNICAL CHARACTERISTICS OF GPS DIFFERENTIAL TRANSMISSIONS FROM MARITIME RADIOBEACONS |
| 433 | ITU-R REPORT M.1165-1990 | 1990-01-01 | English | TRANSMISSION OF DIGITAL DATA FOR THE UPDATING OF ELECTRONIC CHART DISPLAY SYSTEMS (ECDIS) |
| 434 | ITU-R REPORT BT.1210-1990 | 1990-01-01 | English | ERROR-PROTECTION STRATEGIES FOR DATA BROADCASTING SERVICES |
| 435 | ITU-R REPORT BT.1209-1990 | 1990-01-01 | English | MEASURES FOR THE AVOIDANCE OF POSSIBLE INTERFERENCE GENERATED BY DIGITAL TELEVISION STUDIO EQUIPMENT |
| 436 | ITU-R INFORME BO.1228 SPANISH-1990 | 1990-01-01 | Spanish | High quality sound/data standards for the broadcasting satellite service in the 12 GHz band |
| 437 | ITU-R REPORT BT.1208-1990 | 1990-01-01 | English | TELESOFTWARE SERVICES |
| 438 | ITU-R REPORT BT.1207-1990 | 1990-01-01 | English | Reference Model For Data Broadcasting |
| 439 | ITU-R INFORME BO.954-2 SPANISH-1990 | 1990-01-01 | Spanish | Multiplexing methods for the emission of several digital audio signals and also data signals in broadcasting |
| 440 | ITU-R REPORT BT.962-2-1990 | 1990-01-01 | English | THE FILTERING, SAMPLING AND MULTIPLEXING FOR DIGITAL ENCODING OF COLOUR TELEVISION SIGNALS |
| 441 | ITU-T V.42 BIS SPANISH-1990 | 1990-01-01 | Spanish | DATA COMPRESSION PROCEDURES FOR DATA CIRCUIT TERMINATING EQUIPMENT (DCE) USING ERROR CORRECTION PROCEDURES |
| 442 | ITU-R REPORT BS.304-3-1990 | 1990-01-01 | English | FADING CHARACTERISTICS FOR SOUND BROADCASTING IN THE TROPICAL ZONE |
| 443 | ITU-R RUEGO 90 SPANISH-1990 | 1990-01-01 | Spanish | INTERCONEXIÓN DE LOS EQUIPOS EN INSTALACIONES PROFESIONALES DE PRODUCCIÓN DE PROGRAMAS |
| 444 | ITU-T V.42 BIS FRENCH-1990 | 1990-01-01 | French | DATA COMPRESSION PROCEDURES FOR DATA CIRCUIT TERMINATING EQUIPMENT (DCE) USING ERROR CORRECTION PROCEDURES |
| 445 | ITU-T V.42 BIS-1990 | 1990-01-01 | English | Data Compression Procedures for Data Circuit Terminating Equipment (DCE) Using Error Correction Procedures (Study Group XVII) 30 pp DoD Adopted |
| 446 | ITU-R INFORME M.741-3 SPANISH-1990 | 1990-01-01 | Spanish | Multi-channel land mobile systems for dispatch traffic (with or without PSTN interconnection) |
| 447 | ITU-R INFORME M.763-3 SPANISH-1990 | 1990-01-01 | Spanish | Signal level variation due to multipath effects and blockage by ships superstructure in maritime mobile-satellite service links |
| 448 | ITU-R INFORME M.766-2 SPANISH-1990 | 1990-01-01 | Spanish | Feasibility of frequency sharing between the GPS and other services |
| 449 | ITU-R INFORME M.319-7 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mobile services |
| 450 | ITU-T G.727 FRENCH-1990 | 1990-01-01 | French | 5-, 4-, 3- and 2-Bits Sample Embedded Adaptive Differential Pulse Code Modulation (ADPCM) |
| 451 | ITU-R RAPPORT 473-5 FRENCH-1990 | 1990-01-01 | French | CHARACTERISTICS OF RECEIVING EQUIPMENT FOR THE BROADCASTING-SATELLITE SERVICE |
| 452 | ITU-R REPORT 473-5-1990 | 1990-01-01 | English | CHARACTERISTICS OF RECEIVING EQUIPMENT FOR THE BROADCASTING-SATELLITE SERVICE |
| 453 | ITU-R VOEU 90 FRENCH-1990 | 1990-01-01 | French | EQUIPMENT INTERCONNECTION IN PROFESSIONAL PROGRAMME PRODUCTION INSTALLATIONS |
| 454 | ITU-R INFORME BT.628-4 SPANISH-1990 | 1990-01-01 | Spanish | Automatic monitoring and control of television operation |
| 455 | ITU-R VOEU 2-2 FRENCH-1990 | 1990-01-01 | French | COOPERATION WITH THE INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE |
| 456 | ITU-R INFORME BS.1201 SPANISH-1990 | 1990-01-01 | Spanish | Number of HF sound broadcasting transmitters using a single channel |
| 457 | ITU-R INFORME M.1161 SPANISH-1990 | 1990-01-01 | Spanish | Use of MF/HF DSC for automatic connection of calls in the maritime-mobile service MF and HF bands to the public switched network |
| 458 | ITU-R INFORME M.1163 SPANISH-1990 | 1990-01-01 | Spanish | Coordination area of an earth station of the fixed-satellite service sharing the same frequency band with the radionavigation service |
| 459 | ITU-R INFORME M.1165 SPANISH-1990 | 1990-01-01 | Spanish | Transmission of digital data for the updating of electronic chart display systems (ECDIS) |
| 460 | ITU-R INFORME M.1166 SPANISH-1990 | 1990-01-01 | Spanish | Technical characteristics of GPS differential transmissions from maritime radiobeacons |
| 461 | ITU-R INFORME M.1169 SPANISH-1990 | 1990-01-01 | Spanish | Sea surface multipath effects in the aeronautical mobile-satellite service |
| 462 | ITU-R INFORME M.1158 SPANISH-1990 | 1990-01-01 | Spanish | Data communication in the maritime mobile services using MF, HF and VHF frequencies |
| 463 | ITU-R INFORME M.1157 SPANISH-1990 | 1990-01-01 | Spanish | Integration of public mobile radiocommunication systems |
| 464 | ITU-R INFORME M.1156 SPANISH-1990 | 1990-01-01 | Spanish | Digital cellular public land mobile telecommunication systems (DCPLMTS) |
| 465 | ITU-R INFORME M.1155 SPANISH-1990 | 1990-01-01 | Spanish | Adaptation of mobile radiocommunication technology to the needs of developing countries |
| 466 | ITU-R INFORME M.1153 SPANISH-1990 | 1990-01-01 | Spanish | Future public land mobile telecommunication systems |
| 467 | ITU-R INFORME M.1051-1 SPANISH-1990 | 1990-01-01 | Spanish | Public mobile telephone service with aircraft |
| 468 | ITU-R INFORME M.1025-1 SPANISH-1990 | 1990-01-01 | Spanish | Technical and operating characteristics of cordless telephones |
| 469 | ITU-R INFORME M.1023-1 SPANISH-1990 | 1990-01-01 | Spanish | Frequency sharing between the land mobile service and the broadcasting service (television) below 1 GHz |
| 470 | ITU-R INFORME BT.629-4 SPANISH-1990 | 1990-01-01 | Spanish | Digital coding of colour television signals |
| 471 | ITU-R INFORME M.929-2 SPANISH-1990 | 1990-01-01 | Spanish | Compatibility between the broadcasting service in the band of about 87-108 MHz and the aeronautical services in the band 108-136 MHz |
| 472 | ITU-R INFORME M.778-2 SPANISH-1990 | 1990-01-01 | Spanish | Wireless communication systems for persons with impaired hearing |
| 473 | ITU-R INFORME BT.801-4 SPANISH-1990 | 1990-01-01 | Spanish | The present state of high-definition television |
| 474 | ITU-R INFORME BO.634-4 SPANISH-1990 | 1990-01-01 | Spanish | Measured interference protection ratios for planning television broadcasting systems |
| 475 | ITU-R INFORME BT.624-4 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of television systems |
| 476 | ITU-R INFORME BO.807-3 SPANISH-1990 | 1990-01-01 | Spanish | Unwanted emissions from broadcasting-satellite space stations |
| 477 | ITU-R INFORME BO.808-3 SPANISH-1990 | 1990-01-01 | Spanish | Space-segment technology |
| 478 | ITU-R INFORME BO.952-2 SPANISH-1990 | 1990-01-01 | Spanish | Technical characteristics of feeder links to broadcasting satellites |
| 479 | ITU-R INFORME BO.953-2 SPANISH-1990 | 1990-01-01 | Spanish | DIGITAL CODING FOR THE EMISSION OF HIGH-QUALITY SOUND SIGNALS IN SATELLITE BROADCASTING (15 kHz NOMINAL BANDWIDTH) |
| 480 | ITU-R INFORME M.1159 SPANISH-1990 | 1990-01-01 | Spanish | Characteristics of an automatic identification system for VHF and UHF transmitting stations in the maritime mobile service |
| 481 | ITU-R INFORME BS.1200 SPANISH-1990 | 1990-01-01 | Spanish | THE EFFECT OF DELAY IN SOUND-PROGRAMME OPERATIONS |
| 482 | ITU-R INFORME BS.1204 SPANISH-1990 | 1990-01-01 | Spanish | AUTOMATIC SYNCHRONIZATION OF VIDEO AND AUDIO AFTER TRANSMISSION |
| 483 | ITU-T M.1220-1989 | 1989-01-01 | English | Network Maintenance Information - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 4 pp |
| 484 | ITU-T Q.1051-1989 | 1989-01-01 | English | Mobile Application Part - Public Land Mobile Network - Mobile Application Part and Interfaces (Study Group XI) 303 pp |
| 485 | ITU-T Q.128-1989 | 1989-01-01 | English | Switching to the Speech Position - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp |
| 486 | ITU-T Z.301-1989 | 1989-01-01 | English | Introduction to the CCITT Man-Machine Language - Man-Machine Language (MML) (Study Group X) 4 pp |
| 487 | ITU-T Z.302-1989 | 1989-01-01 | English | Meta-Language for Describing MML Syntax and Dialogue Procedures - Man-Machine Language (MML) (Study Group X) 2 pp |
| 488 | ITU-T P.63-1989 | 1989-01-01 | English | Methods for the Evaluation of Transmission Quality on the Basis of Objective Measurements - Telephone Transmission Quality - Study Group XII; 1 pp |
| 489 | ITU-T Z.311-1989 | 1989-01-01 | English | Introduction to Syntax and Dialogue Procedures - Man-Machine Language (MML) (Study Group X) 1 pp |
| 490 | ITU-T Z.312-1989 | 1989-01-01 | English | Basic Format Layout - Man-Machine Language (MML) (Study Group X) 2 pp |
| 491 | ITU-T Z.314-1989 | 1989-01-01 | English | Character Set and Basic Elements - Man-Machine Language (MML) (Study Group X) 9 pp |
| 492 | ITU-T Z.315-1989 | 1989-01-01 | English | Input (Command) Language Syntax Specification - Man-Machine Language (MML) (Study Group X) 10 pp |
| 493 | ITU-T Z.316-1989 | 1989-01-01 | English | Output Language Syntax Specification - Man-Machine Language (MML) (Study Group X) 9 pp |
| 494 | ITU-T M.782-1989 | 1989-01-01 | English | Maintenance of Common Signalling System No. 7 - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits - Study Group IV; 6 pp; Cancelled |
| 495 | ITU-T M.770-1989 | 1989-01-01 | English | Inter-Administration Agreements on Common Channel Signalling System No. 7 - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp |
| 496 | ITU-T Q.127-1989 | 1989-01-01 | English | Release of Registers - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 3 pp |
| 497 | ITU-T M.761-1989 | 1989-01-01 | English | Setting up and Lining up a Transfer Link for Common Channel Signalling System No. 6 (Analogue Version) - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp |
| 498 | ITU-T P.53-1989 | 1989-01-01 | English | Psophometers (Apparatus for the Objective Measurement of Circuit Noise) - Telephone Transmission Quality (Study Group XII) 1 pp |
| 499 | ITU-T M.750-1989 | 1989-01-01 | English | Inter-Administration Agreements on Common Channel Signalling System No. 6 - General Maintenance Principles - Maintenance of Transmission Systems and Telephone Circuits (Study Group IV) 4 pp |
| 500 | ITU-T Q.11-1989 | 1989-01-01 | English | Numbering Plan for the International Telephone Service - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 8 pp |
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