Yagi-Uda antenna
A directional antenna consisting of a driven element, a reflector, and one or more directors; widely used for TV reception and amateur radio.
Yagi-Uda antennas are often used for TV reception.
Common abbreviation; often used colloquially, but technically omits Uda's contribution.
Standard spelling with interpunct; commonly used in technical contexts.
Variant without interpunct; also seen in technical literature.
Named after Japanese inventors Hidetsugu Yagi and Shintaro Uda, who developed the antenna in the 1920s.