An Etymological Dictionary of Astronomy and Astrophysics

A very familiar antenna array, which is the commonest kind of terrestrial TV aerial to be found on the rooftops of houses.
It consists of a single “feed” or “driven element,” usually a dipole antenna. The rest of the elements help transmit the energy in a particular direction. These antennas typically operate in the HF to UHF bands (about 3 MHz to 3 GHz), although their bandwidth is typically small. In astronomy Yagi antennas are used as elements in some → radio interferometers. Same as Yagi-Uda antenna.

See also: Named after the Japanese electrical engineer Hidetsuga Yagi (1886-1976); → antenna.