ITU Publications : ITU-R Recommendations

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ITU-R Recommendations

The ITU-R Recommendations constitute a set of international technical standards developed by the Radiocomunication Sector (formerly CCIR) of the ITU. They are the result of studies undertaken by Radiocommunication Study Groups on:

the use of a vast range of wireless services, including popular new mobile communication technologies:
the management of the radio-frequency spectrum and satellite orbits;
the efficient use of the radio-frequency spectrum by all radiocommunication services;
terrestrial and satellite radiocommunication broadcasting;
radiowave propagation;
systems and networks for the fixed-satellite service, for the fixed service and the mobile service;
space operation, Earth exploration-satellite, meteorological-satellite and radio astronomy services.

The ITU-R Recommendations are approved by ITU Member States. Their implementation is not mandatory; however, as they are developed by experts from administrations, operators, the industry and other organizations dealing with radiocommunication matters from all over the world, they enjoy a high reputation and are implemented worldwide.

Free online access to current ITU-R Recommendations is provided on a trial basis to ITU Member States administrations, Sector Members and Associates of all Sectors via TIES until further notice.

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BO	Satellite delivery
BR	Recording for production, archival and play-out; film for television
BS	Broadcasting service (sound)
BT	Broadcasting service (television)
F	Fixed service
M	Mobile, radiodetermination, amateur and related satellite services
P	Radiowave propagation
RA	Radio astronomy
RS	Remote sensing systems
S	Fixed-satellite service
SA	Space applications and meteorology
SF	Frequency sharing and coordination between fixed-satellite and fixed service systems
SM	Spectrum management
SNG	Satellite news gathering
TF	Time signals and frequency standards emissions
V	Vocabulary and related subjects