Direction and Position Finding by Wireless
Keen, R.![Direction and Position Finding by Wireless](https://support.digitalhusky.com/media/annotations/sorted/203/20363637/CHSBZCOP0320363637.jpg)
Excerpt from Direction and Position Finding by Wireless: Illustrated With Over 250 Photographs and Diagrams
Except in the Introduction and in cases where it was necessary for purposes of identification, names have not been introduced into the text, but numbers referring to the Bibliography are quoted in many cases, enabling the reader to consult the correct authority in connection with various theories, experiments, etc., which are mentioned....