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ITU Radiocommunication Sector

Director's Corner Director's Corner

1st Inter-regional Information Session on WRC-27 Preparation

from 3 to 5 December 2025
Geneva, Switzerland

Harmful Interference to Radio Navigation Satellite Service (RNSS)

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ITU News

Explore more on the issues addressed and outcomes of the WRC-23:

    WRC-23 Special Editions:
  • Magazine No. 1, 2024
  • Magazine No. 5, 2023
  • Magazine No. 4, 2023
  • Magazine No. 3, 2023
  • Magazine No. 2, 2023
  • Magazine No. 1, 2023
Page Content

​Space Services

Space Services

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

Terrestrial Services

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

Radiocommunication Study Groups
Study Groups: 1 3 4 5 6 7

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.

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Radio Regulations

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.


WP 5C - Confirmed
2025年11月17日 - 2025年11月28日 Geneva, Switzerland
WP 5B - Confirmed
2025年11月18日 - 2025年11月27日 Geneva, Switzerland
WP 5A - Confirmed
2025年11月19日 - 2025年11月28日 Geneva, Switzerland
SG 5 - Confirmed
2025年12月01日 - 2025年12月02日 Geneva, Switzerland
1st Inter-regional Information Session on WRC-27 Preparation (IRIS) - Confirmed
2025年12月03日 - 2025年12月05日 Geneva, Switzerland
1 - 5
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