Directivity
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.
Runtime: 12 minutes
Release: Jan 01, 1960
IMDb: 0.00/10 by 0 users
Popularity: 0
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Budget: 0
Revenue: 0
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