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国际电信联盟无线电通信部门.
国际电信联盟无线电通信部门(英語:ITU Radiocommunication Sector,缩写ITU-R)是国际电信联盟管理下负责无线电通信管理的部门,其管理的主要内容包括无线电频谱和卫星轨道等,其业务还包括海事无线接入与搜索系统(MARS)、国际移动通信(IMT)、世界无线电通信大会(WRC)、应急无线电通信等,並依據世界无线电通信大会(WRC)的各项决定,出版无线电规则(RR,Radio Regulations)。
國際電信聯盟無線電通信部門的前身是1927年成立的國際無線電諮詢委員會(簡寫為CCIR,全名法文 Comité consultatif international pour la radio,英文 Consultative Committee on International Radio 或 International Radio Consultative Committee)。 1932年,CCIR與一些組織,包括於1865年成立的原始的ITU(當時是國際電報聯盟,International Telegraph Union)合併,成為國際電信聯盟(新的ITU,International Telecommunication Union),CCIR成為ITU下的組織。在1992年,ITU內部改組,CCIR改為ITU-R。
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