GOVERNMENT FILMS
Sign in to track this film in your collection or want list.
14 Electric and magnetic fields; generation of electro-magnetic waves; behavior of 41 radio waves in space; ground wave; reand refraction; the ionosphere; flection and causes of fading. (TF 1^74; 12 minutes) 7, 32, 41 s on le of Radio Antennas: Fundamentals of the Antenna U.S. Department of the Air Force, 1942
Complete catalog record
Type: Motion Picture
Sources
- 3434 U.S. Government Films — title, year, creator, format, description, catalog record
Record added 2026-07-13 14:19:23