Handbook on Satellite Communications, 3rd Edition

THE INTERNATIONAL TELECOMMUNICATION UNION
The ITU Radiocommunication Sector specializes in facilitating international collaboration to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum and satellite orbits by holding World and Regional Radiocommunication Conferences to expand and adopt Radio Regulations and Regional Agreements covering the use of the radio-frequency spectrum; establishing ITU-R Recommendations, developed by ITU-R Study Groups, on the technical characteristics and operational procedures for radiocommunications services and systems; coordinating endeavors to eliminate harmful interference between radio stations of different countries; maintaining the Master International Frequency Register; and offering tools, information and seminars to assist national radio-frequency spectrum management.