We think of radio navigation and direction finding as something fairly modern. However, it might surprise you that direction finding is nearly as old as radio itself. In 1888, Heinrich Hertz noted ...
Every two years, competitors from 25 different countries descend upon a forest, armed with the direction-finding tools of a bygone era. They wave large, pronged radio receivers — the kind you may find ...
WHEN the first edition of this book appeared in 1922, interest in wireless direction-finding was confined to a comparatively few individuals who were engaged either in the practice of the art for ...