ANTENNAS

Defines 'antenna,' and explains the physical construction and the electrical characteristics of a single dipole antenna. Describes half and quarter wave antennas. Defines induction fields and radiation fields. (Kinescope)

Sources

  1. usgov-av-1974 — title, creator, length, color, sound, description
  2. Wikidata · Q124419633 ↗ — year