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Subjects (65)
Media and Communication (23)

Military Communications (4)

  • Bandwidth
    Bandwidth
    René Jodoin 1960 11 min
    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.)
  • Directivity
    Directivity
    René Jodoin 1960 12 min
    Combining colour, animation and sound to clarify principles of radio-wave transmission, this film illustrates how antennas propagate radio waves and how they may be adapted to increase the directivity of transmissions. The theoretical concepts are emphasized.
  • Headline Hunters
    Headline Hunters
    1945 11 min
    This short film from 1945 demonstrates how broadcasters and journalists relayed war news back to Canada. It includes glimpses of the complex organization behind them - the military PR directors, the censors, dispatch riders, engineers and the Canadian Press and British United Press offices.
  • Propagation
    Propagation
    René Jodoin 1960 13 min
    Combining colour, animation and sound to clarify principles of radio-wave transmission, this film illustrate how antennas propagate radio waves.

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