8 "Ficheiro:YagiExplanation.jpg".

Ficheiro:YagiExplanation.jpg

DescriptionYagiExplanation.jpg Diagram of waves radiated by a simple Yagi antenna formed by an active element an a sigle director. Labels in french. Own...


Ficheiro:Japanese wrestlers (1904).jpg

DescriptionJapanese wrestlers (1904).jpg English: in January 1904, Japanese students Yasuo Yagi and C. Yokoyama arrived at Harvard University, where they...


Ficheiro:Japanese wrestler overpowers Harvard student (1904) (2).jpg

wrestler overpowers Harvard student (1904) (2).jpg English: in January 1904, Japanese students Yasuo Yagi and C. Yokoyama arrived at Harvard University...


Ficheiro:Log periodic VHF TV antenna 1963.jpg

high-gain rooftop antennas for fringe TV reception were based on the Yagi-Uda antenna. The Yagi has an inherently narrow bandwidth and could not cover the entire...


Ficheiro:Japanese wrestler overpowers Harvard student (1904).jpg

DescriptionJapanese wrestler overpowers Harvard student (1904).jpg English: in January 1904, Japanese students Yasuo Yagi and C. Yokoyama arrived at Harvard University...


Ficheiro:Japanese wrestler overpowers Harvard student (1904) (3).jpg

wrestler overpowers Harvard student (1904) (3).jpg English: in January 1904, Japanese students Yasuo Yagi and C. Yokoyama arrived at Harvard University...


Ficheiro:Katy-1 television antenna 1954.jpg

DescriptionKaty-1 television antenna 1954.jpg English: VHF Yagi television antenna from 1954, model Super Katy-1, manufactured by Kay-Townes Antenna Co...


Ficheiro:Reflective array VHF television antenna 1954.jpg

gain needed for fringe reception without the narrow bandwidth of the common Yagi antennas. Caption: "An all-VHF band TV antenna, two-bay array, with reflector...