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An ITU-R Handbook is a text which provides a statement of the current knowledge, the present position of studies, or of good operating or technical practice, in certain aspects of radiocommunications, which should be addressed to a radio engineer, system planner or operating official who plans, designs or uses radio services or systems, paying particular attention to the requirements of developing countries. It should be self-contained, require no familiarity with other ITU Radiocommunication texts or procedures, but should not duplicate the scope and content of publications readily available outside the ITU.
SG00ITU-R Special Supplements
SG01Spectrum Management
SG03Radiowave Propagation
SG04Satellite Services
SG05Terrestrial Services
SG06Broadcasting Service
SG07Science Services