ITU

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ITU-R Recommendations

The ITU-R Recommendations constitute a set of international technical standards developed by the Radiocommunication 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 all current ITU-R Recommendations & Reports is now provided to the general public.   


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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