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Radio Regulations 120th anniversary

​​ (1906 – 2026) - Over a Century of Global Cooperation​









Harmful Interference to Radio Navigation Satellite Service (RNSS)

​Read more​ >
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Handbook on Use of radio spectrum for meteorology:

Weather, climate, water and related environmental applications

Edition of 2026










Handbook on Amateur and Amateur satellite services

This Handbook provides general information about amateur and amateur-satellite services.

































Page Content


​Space Services



BRIFICSNLSNSSpace Plans



International coordination, notification and recording procedures for space systems and earth stations and examination of frequency assignment notices submitted by Administrations (Membership) for inclusion in the Master International Frequency Register (MIFR).

Manages procedures for space-related ITU assignment or allotment plans for launching of satellites.






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Terrestrial Services


BRIFICGLADMARSWISFAT



International coordination, notification and recording procedures for terrestrial systems and examination of frequency assignment notices submitted by Adminis- trations (Membership) for inclusion in the Master International Frequency Register (MIFR) and Plans.

Application of administrative procedures dealing with allocation of international means of identification (call sign series, MIDs) and with safety of life, processing submissions for various service publications and corresponding online information systems.








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Radiocommunication Study Groups


Study Groups:134567




CCVCPM



Over 5000 specialists from telecommunication and ICT organizations and administrations throughout the world, participate in the Radiocommunication Study Groups to prepare technical bases for Radiocommunication Conferences, develop ITU-R Recommendations (radiocommunication standards) and Reports and compile radiocommunication Handbooks.






Page Content 4


Radio Regulations

The Radio Regulations (RR) incorporates the decisions of the World Radiocomm​unication Conferences (WRCs), including all Appendices, Resolutions, Recommen- dations and ITU-R Recommendatio​ns incorporated by reference.

The Rules of Procedure are approved by the Radio Regulations Board (RRB). They complement the RR by providing clarification of the application of particular Regulations or establishing the necessary practical procedures that may not be provided for in the current Regulatory Procedures.






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World Radiocommunication Conferences (WRC)​​

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The ITU-R Events calendar is available here.


ITU-R Newsroom on X

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Radio Regulations 120th anniversary2026-05-12

Draft new Report on the IMT-2030 technical performance requirements has been agreed by WP 5D and sent for approval to SG 52026-03-09

ITU Radio Regulations Board : 100th meeting and 30 year anniversary 2025-11-10

ITU Radio Regulations Navigation Tool2025-08-27

ITU and ESA agree on optimizing satellite communications2025-03-05

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Space Sustainability Gateway

ITU Space Connect series

Conference Preparatory Meetings
(CPM-27)

World Radiocommunication Conference 2023
(WRC-23)

ITU Radio Regulations (2024)

World Radiocommunication Seminar 2026
(WRS-26)

WRS-24 on Demand

Use of radio spectrum for meteorology: weather, climate, water and related environmental applications

Amateur and amateur-satellite services

Handbook on Small Satellites

Free online access to ITU-R Publications, Software and Databases

Status of the transition to Digital Terrestrial Television Broadcasting



ITU-R FAQ on ITU Satellite Filings

ITU-R FAQ on International Mobile Telecommunications (IMT)

ITU-R FAQ on Radio Regulations Board

ITU-R FAQ on Global Navigation Satellite Systems (GNSS) Interference

ITU-R FAQ on the Digital Dividend and the Digital Switchover (DSO)

ITU-R FAQ on Radio Regulations

ITU-R FAQ on ITU Space Explorer




Events 

Conferences 
& Meetings 

Seminars & 
Workshops 

Network of  
Women 






ITU Regional Radiocommunication Seminar (RRS) - Confirmed2026-08-03 - 2026-08-07 Buenos Aires, ArgentinaCCT - Confirmed2026-08-27 - 2026-08-27 E-MeetingITU-R Seminar - Confirmed2026-08-31 - 2026-09-02 Shanghaï, ChinaWP 7B - Confirmed2026-09-14 - 2026-09-24 Geneva, SwitzerlandWP 7C - Confirmed2026-09-14 - 2026-09-24 Geneva, Switzerland
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More Events







WRC

RA

CPM

RAG

RRB

RRC








More Conferences/Meetings








ITU World Radiocommunication Seminar 2026 (WRS-26), 7–11 December 2026, Geneva, Switzerland

Global ITU/WMO Seminar on Spectrum use for meteorology: challenges, opportunities and evolving requirements, 28-30 September 2026, Geneva, Switzerland

ITU Regional Radiocommunication Seminar 2026 for Asia and the Pacific (RRS-26-Asia&Pacific), 21-25 September 2026, Ulaanbaatar, Mongolia

ITU Regional Radiocommunication Seminar 2026 for the Americas (RRS-26-Americas), 03-07 August 2026, Buenos Aires, Argentina

ITU Regional Radiocommunication Seminar 2026 for Europe (RRS-26-Europe), 16-20 February 2026, Athens, Greece

Regional Training Workshop on Use and Management of Radio Spectrum for Meteorology for Arab States, 9–10 February 2026 Abu Dhabi, United Arab Emirates

MCMC/ITU Seminar on Science Services in relation to ITU Radio Regulations and WRC-27, MCMC Centre of Excellence, Cyberjaya, Selangor, Malaysia, 9-10 December 2025

1st Inter-regional Information Session on WRC-27 Preparation, 3-5 December 2025

ITU Regional Radiocommunication Seminar 2025 for Asia and the Pacific (RRS-25-Asia&Pacific) followed by ITU Workshop on Modern Spectrum Management 2025 for Region 3 (WS-MSS-25-R3), 20-29 October 2025, Chengdu, China

ITU Regional Radiocommunication Seminar 2025 for the Americas (RRS-25-Americas), 16-20 June 2025, Tegucigalpa, Honduras

Applications of machine learning in radio-wave propagation prediction, 27 May 2025, Geneva, Switzerland

ITU Regional Radiocommunication Seminar 2025 for Africa (RRS-25-Africa), 5-8 May 2025, Djibouti

Training Workshop on Use and Management of Radio Spectrum for Meteorology, 3–4 March 2025 Singapore, the Republic of Singapore

ITU World Radiocommunication Seminar 2024 (WRS-24) 2-6 December 2024, Geneva, Switzerland

ITU Regional Radiocommunication Seminar 2024 for Asia and the Pacific (RRS-24-Asia&Pacific), Apia, Samoa, 16-21 September 2024

Regional Seminar on Earth observations for Sustainable Development Goals: technologies, spectrum, applications, impacts, Almaty, Kazakhstan, 16-17 September, 2024

Space Sustainability Forum 2024, Geneva, Switzerland, 10-11 September 2024








More Seminars/Workshops



NOW4WRC

NOW4WRC27

Mentoring Programme

Regional Co-Chairs and Representatives

BR Coordinators

Role Models in WRC-27: Conversations with Regional Co-Chairs





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Radiocommunication Sector (ITU-R​)

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History of ITU Portal


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Publications 

Recommendations 

Circulars 






RR5 Table of Frequency Allocations Software2026-02-26Amateur and amateur-satellite services2026-02-23BR International Frequency Information Circular (BR IFIC) - Terrestrial Services2025-12-23BR International Frequency Information Circular (BR IFIC) - Space Service2025-12-23Rules of Procedure2025-12-09
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More Publications






BS.705-2 (11/2025)2025-12-11BS.2088-2 (11/2025)2025-12-11BS.1114-13 (11/2025)2025-12-11P.2001-6 (09/2025)2025-12-08P.1409-4 (09/2025)2025-12-03
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Administrative Circulars and Circulars Letters








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