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CCIR - XVIIth Plenary Assembly (Düsseldorf, 1990)
http://handle.itu.int/11.1004/020.1000/4.283

CCIR - XVIIth Plenary Assembly (Düsseldorf, 1990)

21 May - 1 June 1990 - Düsseldorf, Germany

What is an Assembly?

Assemblies provide overall direction to the activities of ITU’s standardization and radiocommunication sectors (formerly the International Consultative Committees – CCIF, CCIT, CCITT, CCIR). They approve a list of technical subjects related to telecommunications (called Questions) and refer them to a number of Study Groups composed of experts from different countries. They establish or disband Study Groups according to need and elect the chairs and vice-chairs for the groups. Assemblies also adopt the Recommendations developed by their sector’s Study Groups. For more information about the radiocommunication sector and its history, visit the Focus on Radiocommunication page.

To learn more about the work and outcomes of this assembly use the tabs below to access related publications and additional information.

Use the tabs below to explore the different publications, documents, and resources related to this event. The History of ITU Portal uses Persistent Identifiers for its digitized documents. To copy a Persistent ID, hover the cursor over the document link and then right-click on it.

Outcomes

Volume I: Recommendations: Spectrum Utilization and Monitoring(English)download PDF PDF (acrobat)
Annex to Volume I: Reports: Spectrum Utilization and Monitoring(English)download PDF PDF (acrobat)
Volume II: Recommendations: Space Research and Radioastronomy Services(English)download PDF PDF (acrobat)
Annex to Volume II: Reports: Space Research and Radioastronomy Services(English)download PDF PDF (acrobat)
Volume III: Recommendations: Fixed Service at Frequences Below About 30MHz(English)download PDF PDF (acrobat)
Annex to Volume III: Reports: Fixed Service at Frequences Below About 30MHz(English)download PDF PDF (acrobat)
Volume IV - Part 1: Recommendations: Fixed-Satellite Service(English)download PDF PDF (acrobat)
Annex to Volume IV - Part 1: Reports: Fixed-Satellite Service(English)download PDF PDF (acrobat)
Volume IV and IX - Part 2: Recommendations: Frequency Sharing and Coordination Between Systems in the Fixed-Satellite Service and Radio-Relay Systems (English)download PDF PDF (acrobat)
Annex to Volume IV and IX - Part 2: Reports: Frequency Sharing and Coordination Between Systems in the Fixed-Satellite Service and Radio-Relay Systems(English)download PDF PDF (acrobat)
Volume V: Recommendations: Propagation in Non-Ionized Media(English)download PDF PDF (acrobat)
Annex to Volume V: Reports: Propagation in Non-Ionized Media(English)download PDF PDF (acrobat)
Volume VI: Recommendations: Propagation in Ionized Media(English)download PDF PDF (acrobat)
Annex to Volume VI: Reports: Propagation in Ionized Media(English)download PDF PDF (acrobat)
Volume VII: Recommendations: Standard Frequencies and Time Signals(English)download PDF PDF (acrobat)
Annex to Volume VII: Reports: Standard Frequencies and Time Signals(English)download PDF PDF (acrobat)
Volume VIII: Recommendations: Mobile, Radiodetermination, Amateur and Related Satellite Services(English)download PDF PDF (acrobat)
Annex 1 to Volume VIII: Reports: Land Mobile Service, Amateur Service and Amateur Satellite Service(English)download PDF PDF (acrobat)
Annex 2 to Volume VIII: Reports: Maritime Mobile Service(English)download PDF PDF (acrobat)
Annex 3 to Volume VIII: Reports: Mobile Satellite Services (Aeronautical, Land, Maritime, Mobile and Radiodetermination); Aeronautical Mobile Service(English)download PDF PDF (acrobat)
Volume IX - Part 1: Recommendations: Fixed Service Using Radio-Relay Systems(English)download PDF PDF (acrobat)
Annex to Volume IX - Part 1: Reports: Fixed Service Using Radio-Relay Systems(English)download PDF PDF (acrobat)
Volume X - Part 1: Recommendations: Broadcasting Service (Sound)(English)download PDF PDF (acrobat)
Annex to Volume X - Part 1: Reports: Broadcasting Service (Sound)(English)download PDF PDF (acrobat)
Volume X and XI - Part 2: Recommendations: Broadcasting-Satellite Service (Sound and Television)(English)download PDF PDF (acrobat)
Annex to Volume X and XI - Part 2: Reports: Broadcasting-Satellite Service (Sound and Television)(English)download PDF PDF (acrobat)
Volume X and XI - Part 3: Recommendations: Sound and Television Recording(English)download PDF PDF (acrobat)
Annex to Volume X and XI - Part 3: Reports: Sound and Television Recording(English)download PDF PDF (acrobat)
Volume XI - Part 1: Recommendations: Broadcasting Service (Television)(English)download PDF PDF (acrobat)
Annex to Volume XI - Part 1: Reports: Broadcasting Service (Television)(English)download PDF PDF (acrobat)
Volume XII: Recommendations: Television and Sound Transmission (CMTT)(English)download PDF PDF (acrobat)
Annex to Volume XII: Reports: Television and Sound Transmission (CMTT)(English)download PDF PDF (acrobat)
Volume XIII: Recommendations: Vocabulary (CCV)(English)download PDF PDF (acrobat)
Volume XIV: Recommendations and Reports: Administrative Texts of the CCIR and Index of Technical Terms of CCIR Texts(English)download PDF PDF (acrobat)
Volume XV-1: Questions: Study Groups 1, 12, 5, 6, 7(English)download PDF PDF (acrobat)
Volume XV-2: Questions: Study Group 8(English)download PDF PDF (acrobat)
Volume XV-3: Questions: Study Groups 10, 11, CMTT(English)download PDF PDF (acrobat)
Volume XV-4: Questions: Study Groups 4, 9(English)download PDF PDF (acrobat)
Report 340-6: CCIR Atlas of Ionospheric Characteristics(English)download PDF PDF (acrobat)
Recommendation 591 (SG 8), Report 929 (SG 8), Report 1198 (SG 10), and Decision 71 (SG 8 and 10)(English)download PDF PDF (acrobat)
Recommendation 705 (SG 10)(English)download PDF PDF (acrobat)

Outcomes

Volume I : Recommandations : Utilisation du spectre et contrôle des émissions(Français)download PDF PDF (acrobat)
Annexe au Volume I : Rapports : Utilisation du spectre et contrôle des émissions(Français)download PDF PDF (acrobat)
Volume II : Recommandations : Services de recherche spatiale et de radioastronomie(Français)download PDF PDF (acrobat)
Annexe au Volume II : Rapports : Services de recherche spatiale et de radioastronomie(Français)download PDF PDF (acrobat)
Volume III : Recommandations : Service fixe fonctionnant sur des fréquences inférieures à 30 MHz environ(Français)download PDF PDF (acrobat)
Annexe au Volume III : Rapports : Service fixe fonctionnant sur des fréquences inférieures à 30 MHz environ(Français)download PDF PDF (acrobat)
Volume IV - Partie 1 : Recommandations : Service fixe par satellite(Français)download PDF PDF (acrobat)
Annexe au Volume IV - Partie I : Rapports : Service fixe par satellite(Français)download PDF PDF (acrobat)
Volumes IV et IX - Partie 2 : Recommandations : Partage des fréquences et coordination entre le service fixe par satellite et les faisceaux hertziens(Français)download PDF PDF (acrobat)
Annexe aux Volumes IV et IX - Partie 2 : Rapports : Partage des fréquences et coordination entre le service fixe par satellite et les faisceaux hertziens(Français)download PDF PDF (acrobat)
Volume V : Recommandations : Propagation dans les milieux non ionisés(Français)download PDF PDF (acrobat)
Annexe au Volume V : Rapports : Propagation dans les milieux non ionisés(Français)download PDF PDF (acrobat)
Volume VI : Recommandations : Propagation dans les milieux ionisés(Français)download PDF PDF (acrobat)
Annexe au Volume VI : Rapports : Propagation dans les milieux ionisés(Français)download PDF PDF (acrobat)
Volume VII : Recommandations : Fréquences étalon et signaux horaires(Français)download PDF PDF (acrobat)
Annexe au Volume VI : Rapports : Fréquences étalon et signaux horaires(Français)download PDF PDF (acrobat)
Volume VIII : Recommandations : Services mobile, de radiorepérage et d'amateur y compris les services par satellite associés(Français)download PDF PDF (acrobat)
Annexe 1 au Volume VIII : Rapports : Service mobile terrestre, service d'amateur, service d'amateur par satellite(Français)download PDF PDF (acrobat)
Annexe 2 au Volume VIII : Rapports : Service mobile maritime(Français)download PDF PDF (acrobat)
Annexe 3 au Volume VIII : Rapports : Services mobiles par satellite (aéronautique, terrestre, maritime, mobile et radiorepérage); service mobile aéronautique(Français)download PDF PDF (acrobat)
Volume IX - Partie 1 : Recommandations : Service fixe utilisant les faisceaux hertziens(Français)download PDF PDF (acrobat)
Annexe au Volume IX - Partie 1 : Rapports : Service fixe utilisant les faisceaux hertziens(Français)download PDF PDF (acrobat)
Volume X - Partie 1 : Recommandations : Service de radiodiffusion (sonore)(Français)download PDF PDF (acrobat)
Annexe au Volume X - Partie 1 : Rapports : Service de radiodiffusion (sonore)(Français)download PDF PDF (acrobat)
Volumes X et XI - Partie 2 : Recommandations : Service de radiodiffusion par satellite (radiodiffusion sonore et télévision)(Français)download PDF PDF (acrobat)
Annexe aux Volumes X et XI - Partie 2 : Rapports : Service de radiodiffusion par satellite (radiodiffusion sonore et télévision)(Français)download PDF PDF (acrobat)
Volumes X et XI - Partie 3 : Recommandations : Enregistrement sonore et télévisuel(Français)download PDF PDF (acrobat)
Annexe aux Volumes X et XI - Partie 3 : Rapports : Enregistrement sonore et télévisuel(Français)download PDF PDF (acrobat)
Volume XI - Partie 1 : Recommandations : Service de radiodiffusion (télévision)(Français)download PDF PDF (acrobat)
Annexe au Volume XI - Partie 1 : Rapports : Service de radiodiffusion (télévision)(Français)download PDF PDF (acrobat)
Volume XII : Recommandations : Transmissions télévisuelles et sonores (CMTT)(Français)download PDF PDF (acrobat)
Annexe au Volume XII : Rapports : Transmissions télévisuelles et sonores (CMTT)(Français)download PDF PDF (acrobat)
Volume XIII : Recommandations : Vocabulaire (CCV)(Français)download PDF PDF (acrobat)
Volume XIV : Recommandations et Rapports : Textes administratifs du CCIR et Index des termes technique des textes du CCIR(Français)download PDF PDF (acrobat)
Volume XV-1 : Questions : Commissions d'études 1, 12, 5, 6, 7(Français)download PDF PDF (acrobat)
Volume XV-2 : Questions : Commission d'étude 8(Français)download PDF PDF (acrobat)
Volume XV-3 : Questions : Commissions d'études 10, 11, CMTT(Français)download PDF PDF (acrobat)
Volume XV-4 : Questions : Commissions d'études 4, 9(Français)download PDF PDF (acrobat)
Rapport 340-6 : Atlas CCIR des caractéristiques ionosphériques(Français)download PDF PDF (acrobat)
Recommandation 591 (CE 8), Rapport 929 (CE 8), Rapport 1198 (CE 10), et Décision 71 (CE 8 et 10)(Français)download PDF PDF (acrobat)
Recommandation 705 (CE 10)(Français)download PDF PDF (acrobat)

Outcomes

Volumen I: Recomendaciones: Utilización del Espectro y Comprobación Técnica de las Emisiones(Español)download PDF PDF (acrobat)
Anexo al Volumen I: Informes: Utilización del Espectro y Comprobación Técnica de las Emisiones(Español)download PDF PDF (acrobat)
Volumen II: Recomendaciones: Servicios de Investigación Espacial y de Radioastronomía(Español)download PDF PDF (acrobat)
Anexo al Volumen II: Informes: Servicios de Investigación Espacial y de Radioastronomía(Español)download PDF PDF (acrobat)
Volumen III: Recomendaciones: Servicio Fijo en Frecuencias Inferiores a Unos 30 MHz(Español)download PDF PDF (acrobat)
Anexo al Volumen III: Informes: Servicio Fijo en Frecuencias Inferiores a Unos 30 MHz(Español)download PDF PDF (acrobat)
Volumen IV - Parte 1: Recomendaciones: Servicio Fijo por Satélite(Español)download PDF PDF (acrobat)
Anexo al Volumen IV - Parte 1: Informes: Servicio Fijo por Satélite(Español)download PDF PDF (acrobat)
Volúmenes IV y IX - Parte 2: Recomendaciones: Compartición de Frecuencias y Coordinación entre Sistemas del Servicio Fijo por Satélite y de Relevadores Radioeléctricos(Español)download PDF PDF (acrobat)
Anexo a los Volúmenes IV y IX - Parte 2: Informes: Compartición de Frecuencias y Coordinación entre Sistemas del Servicio Fijo por Satélite y de Relevadores Radioeléctricos(Español)download PDF PDF (acrobat)
Volumen V: Recomendaciones: Propagación en Medios No Ionizados(Español)download PDF PDF (acrobat)
Anexo al Volumen V: Informes: Propagación en Medios No Ionizados(Español)download PDF PDF (acrobat)
Volumen VI: Recomendaciones: Propagación en Medios Ionizados(Español)download PDF PDF (acrobat)
Anexo al Volumen VI: Informes: Propagación en Medios Ionizados(Español)download PDF PDF (acrobat)
Volumen VII: Recomendaciones: Frecuencias Patrón y Señales Horarias(Español)download PDF PDF (acrobat)
Anexo al Volumen VII: Informes: Frecuencias Patrón y Señales Horarias(Español)download PDF PDF (acrobat)
Volumen VIII: Recomendaciones: Servicios Móviles, de Radiodeterminación y de Aficionados, incluidos los Correspondientes Servicios por Satélite(Español)download PDF PDF (acrobat)
Anexo 1 al Volumen VIII: Informes: Servicio Móvil Terrestre, Servicio de Aficionados, Servicio de Aficionados por Satélite(Español)download PDF PDF (acrobat)
Anexo 2 al Volumen VIII: Informes: Servicio Móvil Marítimo(Español)download PDF PDF (acrobat)
Anexo 3 al Volumen VIII: Informes: Servicios Móviles por Satélite (Aeronáutico, Terrestre, Marítimo, Móvil y Radiodeterminación); Servicio Móvil Aeronáutico(Español)download PDF PDF (acrobat)
Volumen IX - Parte 1: Recomendaciones: Servicio Fijo que Emplea Sistemas de Relevadores Radioeléctricos(Español)download PDF PDF (acrobat)
Anexo al Volumen IX - Parte 1: Informes: Servicio Fijo que Emplea Sistemas de Relevadores Radioeléctricos(Español)download PDF PDF (acrobat)
Volumen X - Parte 1: Recomendaciones: Servicio de Radiodifusión (Sonora)(Español)download PDF PDF (acrobat)
Anexo al Volumen X - Parte 1: Informes: Servicio de Radiodifusión (Sonora)(Español)download PDF PDF (acrobat)
Volúmenes X y XI - Parte 2: Recomendaciones: Servicio de Radiodifusión por Satélite (Sonora y de Televisión)(Español)download PDF PDF (acrobat)
Anexo a los Volúmenes X y XI - Parte 2: Informes: Servicio de Radiodifusión por Satélite (Sonora y de Televisión)(Español)download PDF PDF (acrobat)
Volúmenes X y XI - Parte 3: Recomendaciones: Grabación Sonora y de Televisión(Español)download PDF PDF (acrobat)
Anexo a los Volúmenes X y XI - Parte 3: Informes: Grabación Sonora y de Televisión(Español)download PDF PDF (acrobat)
Volumen XI - Parte 1: Recomendaciones: Servicio de Radiodifusión (Televisión)(Español)download PDF PDF (acrobat)
Anexo al Volumen XI - Parte 1: Informes: Servicio de Radiodifusión (Televisión)(Español)download PDF PDF (acrobat)
Volumen XII: Recomendaciones: Transmisiones de Televisión y Radiofonía (CMTT)(Español)download PDF PDF (acrobat)
Anexo al Volumen XII: Informes: Transmisiones de Televisión y Radiofonía (CMTT)(Español)download PDF PDF (acrobat)
Volumen XIII: Recomendaciones: Vocabulario (CCV)(Español)download PDF PDF (acrobat)
Volumen XIV: Recomendaciones: Textos Administrativos del CCIR y Índice de los Términos Técnicos de los Textos del CCIR(Español)download PDF PDF (acrobat)
Volumen XV-1: Cuestiones: Comisiones de Estudio 1, 12, 5, 6, 7(Español)download PDF PDF (acrobat)
Volumen XV-2: Cuestiones: Comisión de Estudio 8(Español)download PDF PDF (acrobat)
Volumen XV-3: Cuestiones: Comisiones de Estudio 10, 11, CMTT(Español)download PDF PDF (acrobat)
Volumen XV-4: Cuestiones: Comisiones de Estudio 4, 9(Español)download PDF PDF (acrobat)
Informe 340-6: Atlas CCIR de las Características Ionosféricas(Español)download PDF PDF (acrobat)
Recomendación 591 (CE 8), Informe 929 (CE 8), Informe 1198 (CE 10) y Decisión 71 (CE 8 y 10)(Español)download PDF PDF (acrobat)
Recomendación 705 (CE 10)(Español)download PDF PDF (acrobat)

Outcomes

Volume I: Recommendations: Spectrum Utilization and Monitoring(Arabic)download PDF PDF (acrobat)
Volume VIII: Recommendations: Mobile, Radiodetermination, Amateur and Related Satellite Services(Arabic)download PDF PDF (acrobat)
Volume IX - Part 1: Recommendations: Fixed Service Using Radio-Relay Systems(Arabic)download PDF PDF (acrobat)

Outcomes

Volume X - Part 1: Recommendations: Broadcasting Service (Sound)(Chinese)download PDF PDF (acrobat)
Annex to Volume X - Part 1: Reports: Broadcasting Service (Sound)(Chinese)download PDF PDF (acrobat)
Volume XI - Part 1: Recommendations: Broadcasting Service (Television)(Chinese)download PDF PDF (acrobat)
Annex to Volume XI - Part 1: Reports: Broadcasting Service (Television)(Chinese)download PDF PDF (acrobat)

Outcomes

Volume I: Recommendations: Spectrum Utilization and Monitoring(Russian)download PDF PDF (acrobat)
Annex to Volume I: Reports: Spectrum Utilization and Monitoring(Russian)download PDF PDF (acrobat)
Volume II: Recommendations: Space Research and Radioastronomy Services(Russian)download PDF PDF (acrobat)
Annex to Volume II: Reports: Space Research and Radioastronomy Services(Russian)download PDF PDF (acrobat)
Volume III: Recommendations: Fixed Service at Frequences Below About 30MHz(Russian)download PDF PDF (acrobat)
Volume IV - Part 1: Recommendations: Fixed-Satellite Service(Russian)download PDF PDF (acrobat)
Volume IV and IX - Part 2: Recommendations: Frequency Sharing and Coordination Between Systems in the Fixed-Satellite Service and Radio-Relay Systems (Russian)download PDF PDF (acrobat)
Annex to Volume IV and IX - Part 2: Reports: Frequency Sharing and Coordination Between Systems in the Fixed-Satellite Service and Radio-Relay Systems(Russian)download PDF PDF (acrobat)
Volume V: Recommendations: Propagation in Non-Ionized Media(Russian)download PDF PDF (acrobat)
Annex to Volume V: Reports: Propagation in Non-Ionized Media(Russian)download PDF PDF (acrobat)
Volume VI: Recommendations: Propagation in Ionized Media(Russian)download PDF PDF (acrobat)
Volume VII: Recommendations: Standard Frequencies and Time Signals(Russian)download PDF PDF (acrobat)
Annex to Volume VII: Reports: Standard Frequencies and Time Signals(Russian)download PDF PDF (acrobat)
Volume VIII: Recommendations: Mobile, Radiodetermination, Amateur and Related Satellite Services(Russian)download PDF PDF (acrobat)
Volume IX - Part 1: Recommendations: Fixed Service Using Radio-Relay Systems(Russian)download PDF PDF (acrobat)
Annex to Volume IX - Part 1: Reports: Fixed Service Using Radio-Relay Systems(Russian)download PDF PDF (acrobat)
Annex to Volume X - Part 1: Reports: Broadcasting Service (Sound)(Russian)download PDF PDF (acrobat)
Volume X and XI - Part 2: Recommendations: Broadcasting-Satellite Service (Sound and Television)(Russian)download PDF PDF (acrobat)
Annex to Volume X and XI - Part 2: Reports: Broadcasting-Satellite Service (Sound and Television)(Russian)download PDF PDF (acrobat)
Volume X and XI - Part 3: Recommendations: Sound and Television Recording(Russian)download PDF PDF (acrobat)
Volume XIII: Recommendations: Vocabulary (CCV)(Russian)download PDF PDF (acrobat)
Volume XV-1: Questions: Study Groups 1, 12, 5, 6, 7(Russian)download PDF PDF (acrobat)
Volume XV-3: Questions: Study Groups 10, 11, CMTT(Russian)download PDF PDF (acrobat)
Volume XV-4: Questions: Study Groups 4, 9(Russian)download PDF PDF (acrobat)

Chair

Mr. Gerhard Hausmann (Germany)

List of participants

List of Participants of the CCIR Plenary Assembly (Düsseldorf, 1990)(English)download PDF PDF (acrobat)

Articles

Tarjanne, Pekka. "CCIR: The dynamism of Düsseldorf." Telecommunication Journal 57, no. 8 (1990): 499.(English)download PDF PDF (acrobat)
"The XVIIth CCIR Plenary Assembly." Telecommunication Journal 57, no. 8 (1990): 509-513.(English)download PDF PDF (acrobat)

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YearConference NameAcronymConference TypePlace

1929

CCIR - Ist Plenary Assembly (The Hague, 1929)

Plenary Assembly - CCIRThe Hague

1931

CCIR - IInd Plenary Assembly (Copenhagen, 1931)

Plenary Assembly - CCIRCopenhagen

1934

CCIR - IIIrd Plenary Assembly (Lisbon, 1934)

Plenary Assembly - CCIRLisbon

1937

CCIR - IVth Plenary Assembly (Bucharest, 1937)

Plenary Assembly - CCIRBucharest

1948

CCIR - Vth Plenary Assembly (Stockholm, 1948)

Plenary Assembly - CCIRStockholm

1951

CCIR - VIth Plenary Assembly (Geneva, 1951)

Plenary Assembly - CCIRGeneva

1953

CCIR - VIIth Plenary Assembly (London, 1953)

Plenary Assembly - CCIRLondon

1956

CCIR - VIIIth Plenary Assembly (Warsaw, 1956)

Plenary Assembly - CCIRWarsaw

1959

CCIR - IXth Plenary Assembly (Los Angeles, 1959)

Plenary Assembly - CCIRLos Angeles

1963

CCIR - Xth Plenary Assembly (Geneva, 1963)

Plenary Assembly - CCIRGeneva

1966

CCIR - XIth Plenary Assembly (Oslo, 1966)

Plenary Assembly - CCIROslo

1970

CCIR - XIIth Plenary Assembly (New Delhi, 1970)

Plenary Assembly - CCIRNew Delhi

1974

CCIR - XIIIth Plenary Assembly (Geneva, 1974)

Plenary Assembly - CCIRGeneva

1978

CCIR - XIVth Plenary Assembly (Kyoto, 1978)

Plenary Assembly - CCIRKyoto

1982

CCIR - XVth Plenary Assembly (Geneva, 1982)

Plenary Assembly - CCIRGeneva

1986

CCIR - XVIth Plenary Assembly (Dubrovnik, 1986)

Plenary Assembly - CCIRDubrovnik

1990

CCIR - XVIIth Plenary Assembly (Düsseldorf, 1990)

Plenary Assembly - CCIRDüsseldorf

1993

Radiocommunication Assembly (Geneva, 1993)

RA-93Radiocommunication AssemblyGeneva

1995

Radiocommunication Assembly (Geneva, 1995)

RA-95Radiocommunication AssemblyGeneva

1997

Radiocommunication Assembly (Geneva, 1997)

RA-97Radiocommunication AssemblyGeneva

2000

Radiocommunication Assembly (Istanbul, 2000)

RA-2000Radiocommunication AssemblyIstanbul

2003

Radiocommunication Assembly (Geneva, 2003)

RA-03Radiocommunication AssemblyGeneva

2007

Radiocommunication Assembly (Geneva, 2007)

RA-07Radiocommunication AssemblyGeneva

2012

Radiocommunication Assembly (Geneva, 2012)

RA-12Radiocommunication AssemblyGeneva

2015

Radiocommunication Assembly (Geneva, 2015)

RA-15Radiocommunication AssemblyGeneva

2019

Radiocommunication Assembly (RA-19) (Sharm el-Sheikh, 2019)

RA-19Radiocommunication AssemblySharm el-Sheikh