A basic knowledge of standing waves and their harmonics is key to understanding antenna theory. Instructor James Dann presents the basic facts of standing waves in this outstanding, easily digestible video using the simplest of tools. This video could be used in a high school physics class or in a presentation to people preparing for the Amateur Radio Technician Class License exam. For the latest Amateur Radio news and events, please check out the blog sidebars. These news feeds are updated daily. You can follow our blog community with a free e-mail subscription or by tapping into the blog RSS feed. You can get more Amateur Radio news from my news site: http://kh6jrm.net. Thanks for joining us today! Aloha es 73 de Russ (KH6JRM).