ITU-R Recommendations are a set of technical and operating standards for radiocommunications, previously known as CCIR Recommendations. They are the result of studies undertaken by Radiocommunication Study Groups and are divided into Series Subjects according to the list below. A full list of ITU-R Recommendations can be found on the ITU website at www. itu.int/publications/itu-r/itur.htm.
|BO||Broadcasting-satellite service (sound and television)|
|BR||Sound and television recording|
|BS||Broadcasting service (sound)|
|BT||Broadcasting service (television)|
|IS||Inter-service sharing and compatibility|
|M||Mobile, radiodetermination, amateur and related satellite ...|