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This film combines colour, animation and sound to clarify principles of radio wave transmission. It illustrates how antennas propagate radio waves and how they may be adapted to increase the bandwidth of transmissions. (The film was released for general use as a public service by the Royal Canadian Air Force.)

Műfaj: Animációs

Öntvény: Jack Curran

Legénység: René Jodoin (Director), Frank Spiller (Producer), Claude Langlois (Sound Editor), Bernard Longpre (Animation), Douglas Poulter (Director of Photography)

Ország: Canada

Futásidő: 11 percek

Minőség: HD

Kiadás: 1960

imdb rating 7

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