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Directivity - DVD
Catalogue Number: NFB522876
Producer: National Film Board Of Canada
Producers: Frank Spiller, Peter Jones
Directors: René Jodoin
Producing Agencies: National Film Board of Canada (Montreal), Office national du film du Canada (Montreal)
Subject: Animation, Media Literacy, Tech/Voc
Language: English
Country Of Origin: Canada
Copyright Year: 1960
Running Time: 12:13
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Directivity - DVD 
Catalogue Number: NFB522876
Producer: National Film Board Of Canada
Producers: Frank Spiller, Peter Jones
Directors: René Jodoin
Producing Agencies: National Film Board of Canada (Montreal), Office national du film du Canada (Montreal)
Subject: Animation, Media Literacy, Tech/Voc
Language: English
Country Of Origin: Canada
Copyright Year: 1960
Running Time: 12:13
Click here for pricing
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.