Topical Terminology > Yagi
1 Definition
Yagi
For Yagi we have a term and definition in Ham Radio.
Yagi (Ham Radio) 
1926 Hidetsugu Yagi and Shintaro Uda invent the "beam" antenna array. A directional antenna consisting of a dipole and two additional elements, a slightly longer reflector and a slightly shorter director. Electromagnetic coupling between the elements focuses maximum power (or reception) in the direction of the director.
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