Editor’s Introductory Note:   For those who are unfamiliar with the term “YagI”,  I’ll preface this article with a bit of history from the InfoGalactic wiki: “A Yagi–Uda antenna, or simply Yagi antenna, is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array; these elements are most often metal rods (or discs) acting as half-wave dipoles. Yagi–Uda antennas consist of a single driven element connected to a radio transmitter or receiver (or both) through a transmission line, and additional passive radiators with no electrical connection, usually including one so-called reflector and any number of … The post Directional Antennas Improve COMSEC, by Tunnel Rabbit appeared first on SurvivalBlog.com.