• ITU-R Study Groups
  • Table of Contents
  • The ITU Mission
    • Bringing the benefits of ICTto all the world's inhabitants
    • By connecting the world and fulfillingeveryone's fundamental right tocommunicate, we strive to make theworld a better and safer place
    • ITU andRadiocommunications
  • Radiocommunication Sector
    • The Mission
    • RadiocommunicationBureau
    • World RadiocommunicationConferences
    • Radiocommunication Assemblies
    • Radiocommunication AdvisoryGroup
    • Regional RadiocommunicationSeminars andWorkshops
    • ITU Membership
    • ITU-R Study Groups
  • Study Group 1
    • Spectrum management
    • ITU-R Working Party 1A � Spectrum engineeringtechniques
    • ITU-R Working Party 1B � Spectrum managementmethodologies and economic strategies
    • ITU-R Working Party 1C � Spectrum monitoring
    • Handbooks
    • Other deliverables from ITU-R Study Group 1
  • Study Group 3
    • Radiowave propagation
    • ITU-R Working Party 3J � Propagationfundamentals
    • ITU-R Working Party 3K � Point-to-area propagation
    • ITU-R Working Party 3L � Ionospheric propagationand radio noise
    • ITU-R Working Party 3M � Point-to-point andEarth-space propagation
    • Handbooks
    • Other deliverables from ITU-R Study Group 3
  • Study Group 4
    • Satellite services
    • ITU-R Working Party 4A � Efficient orbit/spectrumutilization for the fixed-satellite service (FSS) andbroadcasting-satellite service (BSS)
    • ITU-R Working Party 4B � Systems, air interfaces,performance and availability objectives for the fixedsatelliteservice (FSS), broadcasting-satellite service(BSS) and mobile-satellite service (MSS), includingIP-based applications and satellite news gathering(SNG)
    • ITU-R Working Party 4C � Efficient orbit/spectrumutilization for the mobile-satellite service (MSS) andthe radiodetermination-satellite service (RDSS)
    • Handbooks
    • Other deliverables from ITU-R Study Group 4
  • Study Group 5
    • Terrestrial services
    • ITU-R Working Party 5A � Land mobile serviceexcluding IMT; amateur and amateur-satelliteservice
    • ITU-R Working Party 5B � Maritime mobile serviceincluding the Global Maritime Distress and SafetySystem (GMDSS); the aeronautical mobile serviceand the radiodetermination service
    • Working Party 5C � Fixed wireless systems; HFsystems in the fixed and land mobile services
    • ITU-R Working Party 5D � IMT Systems
    • ITU-R Task Group 5/1 � WRC-19 Agenda item 1.13
    • Handbooks
    • Other deliverables from ITU-R Study Group 5
  • Study Group 6
    • Broadcasting service
    • ITU-R Working Party 6A � Terrestrial broadcastingdelivery
    • ITU-R Working Party 6B � Broadcast serviceassembly and access
    • ITU-R Working Party 6C � Programme productionand quality assessment
    • Other deliverables from ITU-R Study Group 6
  • Study Group 7
    • Science services
    • ITU-R Working Party 7A � Time signals andfrequency standard emissions
    • ITU-R Working Party 7B � Spaceradiocommunications applications
    • ITU-R Working Party 7C � Remote sensing systems
    • ITU-R Working Party 7D � Radio astronomy
    • Handbooks
    • Other deliverables from ITU-R Study Group 7
  • Coordination Committeefor Vocabulary (CCV)
  • Conference Preparatory Meeting(CPM)
  • Publications
  • Why become an ITU Member?
  • Drive the Future
  • Address and Contacts
  • ITU-R References