ITU-R

Short description: One of the three sectors of the ITU

ITU-R

Type| ITU Sector
Legal status| Active
Headquarters| Geneva, Switzerland
Website| ITU.int/ITU-R

The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communications.

Its role is to manage the international radio-frequency spectrum and satellite orbit resources and to develop standards for radiocommunication systems with the objective of ensuring the effective use of the spectrum.[1]

ITU is required, according to its constitution, to allocate spectrum and register frequency allocation, orbital positions and other parameters of satellites, "in order to avoid harmful interference between radio stations of different countries". The international spectrum management system is therefore based on regulatory procedures for frequency coordination, notification and registration.

ITU-R has a permanent secretariat, the Radiocommunication Bureau, based at the ITU HQ in Geneva, Switzerland . The elected Director of the Bureau is Mr. Mario Maniewicz; he was first elected by the ITU membership to the directorship in 2018.

## Contents

* 1 History
* 2 See also
* 3 References
* 4 External links

## History

The CCIR—Comité consultatif international pour la radio, Consultative Committee on International Radio or International Radio Consultative Committee—was founded in 1927.

In 1932 the CCIR and several other organizations (including the original ITU, which had been founded as the International Telegraph Union in 1865) merged to form what would in 1934 become known as the International Telecommunication Union. In 1992, the CCIR became the ITU-R.

## See also

* ITU-T
* Rec. 601
* Rec. 709
* ITU standards
* Global Standards Collaboration
* Radio science#ITU-R

## References

1. ↑ "Radiocommunication Sector". International Telecommunication Union. http://www.itu.int/net/about/itu-r.aspx.

## External links

* Highlights from CCIR meetings: 1929–1990

* v
* t
* e

SMPTE standards

Standards|

* SMPTE 259M
* SMPTE 268M
* SMPTE 274M
* SMPTE 291M
* SMPTE 292M
* SMPTE 296M
* SMPTE 330M
* SMPTE 344M
* SMPTE 356M
* SMPTE 360M
* SMPTE 367M
* SMPTE 372M
* SMPTE 377M
* SMPTE 421M
* SMPTE 424M
* SMPTE 2022
* SMPTE 2059
* SMPTE 2071
* SMPTE color bars
* SMPTE DCP
* SMPTE timecode

Related articles|

* Broadcast-safe
* Broadcast television systems

Related standards organizations|

* Advanced Television Systems Committee
* BBC Research
* Digital Video Broadcasting
* European Broadcasting Union
* ITU Radiocommunication Sector (formerly CCIR)
* ITU Telecommunication Sector (formerly CCITT)
* Joint Photographic Experts Group
* Moving Picture Experts Group
* NHK Science & Technology Research Laboratories

* v
* t
* e

Telecommunications

History|

* Beacon
* Broadcasting
* Cable protection system
* Cable TV
* Communications satellite
* Computer network
* Data compression
* audio
* DCT
* image
* video
* Digital media
* Internet video
* online video platform
* social media
* streaming
* Drums
* Edholm's law
* Electrical telegraph
* Fax
* Heliographs
* Hydraulic telegraph
* Information Age
* Information revolution
* Internet
* Mass media
* Mobile phone
* Smartphone
* Optical telecommunication
* Optical telegraphy
* Pager
* Photophone
* Prepaid mobile phone
* Radio
* Radiotelephone
* Satellite communications
* Semaphore
* Semiconductor
* device
* MOSFET
* transistor
* Smoke signals
* Telecommunications history
* Telautograph
* Telegraphy
* Teleprinter (teletype)
* Telephone
* The Telephone Cases
* Television
* digital
* streaming
* Undersea telegraph line
* Videotelephony
* Whistled language
* Wireless revolution

Pioneers|

* Nasir Ahmed
* Edwin Howard Armstrong
* Mohamed M. Atalla
* John Logie Baird
* Paul Baran
* John Bardeen
* Alexander Graham Bell
* Tim Berners-Lee
* Jagadish Chandra Bose
* Walter Houser Brattain
* Vint Cerf
* Claude Chappe
* Yogen Dalal
* Donald Davies
* Lee de Forest
* Philo Farnsworth
* Reginald Fessenden
* Elisha Gray
* Oliver Heaviside
* Erna Schneider Hoover
* Harold Hopkins
* Internet pioneers
* Bob Kahn
* Dawon Kahng
* Charles K. Kao
* Narinder Singh Kapany
* Hedy Lamarr
* Innocenzo Manzetti
* Guglielmo Marconi
* Robert Metcalfe
* Antonio Meucci
* Jun-ichi Nishizawa
* Radia Perlman
* Alexander Stepanovich Popov
* Johann Philipp Reis
* Claude Shannon
* Henry Sutton
* Nikola Tesla
* Camille Tissot
* Alfred Vail
* Charles Wheatstone
* Vladimir K. Zworykin

Transmission
media|

* Coaxial cable
* Fiber-optic communication
* optical fiber
* Free-space optical communication
* Molecular communication
* Radio waves
* wireless
* Transmission line
* data transmission circuit
* telecommunication circuit

Network topology
and switching|

* Bandwidth
* Links
* Nodes
* terminal
* Network switching (circuit
* packet)
* Telephone exchange

Multiplexing|

* Space-division
* Frequency-division
* Time-division
* Polarization-division
* Orbital angular-momentum
* Code-division

Networks|

* ARPANET
* BITNET
* Cellular network
* Computer
* CYCLADES
* Ethernet
* FidoNet
* Internet
* Internet2
* ISDN
* LAN
* Mobile
* NGN
* NPL network
* Public Switched Telephone
* Radio
* Telecommunications equipment
* Television
* Telex
* WAN
* Wireless network
* World Wide Web

* Category
* Outline
* Portal
* Commons

* v
* t
* e

Public-sector space agencies

Africa|

| Pan-African
and pan-Arab|

* RASCOM
* Arabsat

|

National|

* ASAL
* EgSA
* NARSS
* ESSTI
* GSSTC
* KSA
* NASRDA
* SANSA

Americas|

| North America|

* CSA
* NASA
* NESDIS
* OSC
* FAA/AST
* FCC
* USSF
* USSPACECOM
* NRO

|

Latin America
and the Caribbean|

* ALCE
* AEM
* CONAE
* ABE
* AEB
* DCTA
* INPE
* ITA
* CCE
* ABAE
* IVIC

Asia|

| Pan-Asian|

* APSCO

|

Central Asia|

* KazCosmos1
* Roscosmos1
* SRI
* VK
* TNSA1

East Asia|

* CNSA
* SASTIND
* CASC
* CALT
* CAST
* CCF
* CGWIC
* PLAASF
* CASIC
* JAXA
* ISAS
* JSS
* NICT
* NATA
* KASA
* KARI
* KASI
* SaTReC
* TASA

South Asia|

* SPARRSO
* ISRO2
* Antrix Corp
* DoS
* NRSC
* NSIL
* DSA
* SUPARCO

Southeast Asia|

* BRIN
* ORPA
* INASA
* MYSA
* PhilSA
* SSTL
* GISTDA
* VNSC

West Asia|

* ArmCosmos1
* MAKA1
* NSSA
* NEHSA
* ISA
* ISRC
* ISA
* NCSR
* SSA
* KACST-SRI
* File:Flag of Syria (2025-).svg SSA2
* GORS
* TUA
* TÜBİTAK UZAY
* UAESA (MBRSC)

Europe|

| Pan-European|

* CEN/CENELEC
* CEPT
* ETSI
* Eurocontrol
* ECAC
* ESA
* ECSS
* ESTEC
* EAC
* ESRIN
* ECSAT
* ESAC
* ESOC
* ESTRACK
* Guiana Space Centre
* EUMETSAT
* EUTELSAT IGO
* ESO

|

EU and EEA|

* DG DEFIS
* EUSPA
* EU SatCen
* EASA
* BEREC
* ALR2
* BELSPO
* BIRA-IASB
* SRTI2
* CSO2
* DTU Space
* ESO1
* CNES2
* AAE
* CdE
* DLR2
* HSA
* HSO2
* ASI
* LSA
* LSO1
* SRON
* NSO
* NOSA
* POLSA2
* CBK PAN
* UKE
* KRRiT
* ORO
* ULC
* File:Flag of Portugal (official).svg PTSPACE
* ROSA2
* INTA
* AEC
* EAE
* AEE
* SNSA

Other|

* ArmCosmos1
* MAKA1
* BSA1
* KazCosmos1
* Roscosmos1
* SRI
* VVKO
* File:Flag of Switzerland (Pantone).svg SSO
* TUA
* TÜBİTAK UZAY
* SSAU1
* UKSA2

Oceania|

* ASA
* CSIRO
* NZSA

World|

* CCSDS
* CEOS
* COSPAR
* IPDA
* Cospas-Sarsat
* GEO
* GSC
* IADC
* ICSMD
* IMSO
* ISECG
* ISS MCB
* ITSO
* Intersputnik
* ODCWG
* ITU-R
* UNCOPUOS
* UNOOSA
* UNOSAT

Former|

* BNSC
* KCST
* INCOSPAR
* LAPAN
* NAL
* NASDA
* SSP
* MOM
* Interkosmos

* See also: Timeline of first orbital launches by country
* 1 Preceded by the Soviet space program
* 2 Preceded by Interkosmos participation

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