The ITU Radiocommunication Assembly considering a)that determination of criteria for frequency sharing between point-to-multipoint systems in the fixed service and systems in other services requires a knowledge of radiation patterns of omnidirectional and sectoral antennas along all possible interfering paths;b)that the use of reference radiation patterns for omnidirectional and sectoral antennas would facilitate interference calculations; c)that different reference radiation patterns may be required for the various types of antennas in use.
ITU-R QUESTION 242/5-2000由国际电信联盟 IX-ITU 发布于 2000-01-01。
ITU-R QUESTION 242/5-2000 在中国标准分类中归属于: M51 天线及其馈线。
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