ITU-R RADIOCOMMUNICATIONSTUDY GROUPS - 2025
Summary
The International  Telecommunication Union
     The ITU mission itu.int
     The ITU vision itu.int/go/about
     ITU and  Radiocommunications itu.int/go/itu-r
Radiocommunication Sector
     The Mission
     World Radiocommunication Conferences
     Radiocommunication  Assemblies  itu.int/go/itu-r/ra
     Radio Regulations  Board   itu.int/go/itu-r/rrb
     Radiocommunication  Advisory Group itu.int/go/itu-r/rag
     ITU-R Membership itu.int/go/join
ITU-R Study Groups itu.int/go/itu-r/sg
Study Group 1
     Spectrum management itu.int/go/itu-r/sg1
     Scope
     Structure
     ITU-R Working Party 1A – Spectrum engineering techniques   itu.int/go/itu-r/wp1a
     ITU-R Working Party 1B – Spectrum management methodologies and economic strategies      itu.int/go/itu-r/wp1b
     ITU-R Working Party 1C – Spectrum monitoring     itu.int/go/itu-r/wp1c
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 1
Study Group 3
     Radio-wave propagation    itu.int/go/itu-r/sg3
     Scope
     Structure
     ITU-R Working Party 3J – Propagation fundamentals
     ITU-R Working Party 3K – Point-to-area propagation
     ITU-R Working Party 3L – Ionospheric propagation and radio noise
     ITU-R Working Party 3M – Point-to-point and Earth-space propagation
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 3
Study Group 4
     Satellite services  itu.int/go/itu-r/sg4
     Scope
     Structure
     ITU-R Working Party 4A – Efficient orbit/spectrum utilization for the fixed-satellite service (FSS) and broadcasting-satellite service (BSS)
     ITU-R Working Party 4B – Systems, air interfaces, performance and availability objectives for the fixed-satellite service (FSS), broadcasting-satellite service (BSS) and mobile-satellite service (MSS), including IP-based applications and satellite new...
     ITU-R Working Party 4C – Efficient orbit/spectrum utilization for the mobile-satellite service (MSS) and the radiodetermination-satellite service (RDSS)
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 4
Study Group 5
     Terrestrial services  itu.int/go/itu-r/sg5
     Scope
     Structure
     ITU-R Working Party 5A – Land mobile service excluding IMT; amateur and amateur-satellite service
     ITU-R Working Party 5B – Maritime mobile service including the Global Maritime Distress and Safety System (GMDSS); the aeronautical mobile service and the radiodetermination service
     ITU-R Working Party 5C – Fixed wireless systems; HF systems in the fixed and land mobile services
     ITU-R Working Party 5D – IMT Systems
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 5
Study Group 6
     Broadcasting service     itu.int/go/itu-r/sg6
     Scope
     Structure
     ITU-R Working Party 6A – Terrestrial broadcasting delivery
     ITU-R Working Party 6B – Broadcast service assembly and access
     ITU-R Working Party 6C – Programme production and quality assessment
     Rapporteurs, Rapporteur Groups and Correspondence Groups
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 6
Study Group 7
     Science services  itu.int/go/itu-r/sg7
     Scope
     Structure
     ITU-R Working Party 7A – Time signals and frequency standard emissions
     ITU-R Working Party 7B – Space radiocommunications applications
     ITU-R Working Party 7C – Remote sensing systems
     ITU-R Working Party 7D – Radio astronomy
     Handbooks  itu.int/pub/R-HDB
     Other deliverables from ITU-R Study Group 7
Coordination Committee for  for Vocabulary  1f8a81b9b0707b63-19211.webchannel-proxy.scarabresearch.com/go/ITU-R/ccv
     Deliverables from the CCV
Conference  Preparatory Meetings itu.int/go/itu-r/cpm
World and Regional Radiocommunication Seminars  and Workshops itu.int/go/itu-r/seminars
Publications  itu.int/publications
Why become an ITU-R Member? itu.int/members
ITU Member State
ITU Sector Member
Associates and SMEs
Academia
Drive the future:  Join the International Telecommunication Union
Address and Contacts
ITU-R references