ITU-R (International Telecommunication Union-Radiocommunication) The sector of the ITU that studies technical questions relating to radio communications and manages international radio frequency (RF) spectrum and satellite orbits.The ITU-R originally (1925) was the Comité consultatif international des Radiocommunications (CCIR), which translates from French as the International Radio Consultative Committee. See Appendix A for contact information. See also ITU and RF. |