Yagi aerial

World English Dictionary
Yagi aerial (ˈjɑːɡɪ, ˈjæɡɪ)
 
n
a highly directional aerial, used esp in television and radio astronomy, consisting of three or more elements lying parallel to each other, the principal direction of radiation being along the line of the centres
 
[C20: named after Hidetsugu Yagi (1886--1976), Japanese engineer]

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WordNet
yagi aerial

noun
a sharply directional antenna [syn: yagi
WordNet® 3.0, © 2006 by Princeton University.
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