The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communication. Its role is to manage the international radio-frequency spectrum and satellite orbit resources and to develop standards for radiocommunication systems with the obj...
Found on
http://en.wikipedia.org/wiki/ITU-R
The ITU (International Telecommunication Union) body responsible for Radio. ITU-T is responsible for Telecommunications.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
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