Directivity poster
Where to stream

Directivity

7.0196012mMovieAnimationDocumentary

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.

DirectorRené Jodoin
ProducerPeter Jones

Where to watch

NFBNFB
Availability shown for Canada · rights vary by country

More from René Jodoin · Director

Bandwidth
Bandwidth
1960 · 8.5
Alouette
Alouette
1944 · 5.8
Dance Squared
Dance Squared
1961 · 8.0
A Matter of Form
A Matter of Form
1984 · 8.0
Propagation
Propagation
1960 · 8.0
A Summer Day in Ottawa in 1949
A Summer Day in Ottawa in 1949
1949
Rectangle & Rectangles
Rectangle & Rectangles
1984 · 10.0
See all fromRené Jodoin

More from ONF | NFB · Studio

La Course Destination Monde
La Course Destination Monde
1988
Perspective
Perspective
1955
Miracle Planet
Miracle Planet
2005 · 6.0
The Great List of Everything
The Great List of Everything
2020
Magical Caresses
Magical Caresses
2022
Reckoning: The Political Economy of Canada
Reckoning: The Political Economy of Canada
1987

More like this

Who Are You, Charlie Brown?
Who Are You, Charlie Brown?
2021 · 6.9
Tower
Tower
2016 · 7.6
Beyond Infinity: Buzz and the Journey to Lightyear
Beyond Infinity: Buzz and the Journey to Lightyear
2022 · 7.0
Piece by Piece
Piece by Piece
2024 · 7.1
Seven Up!
Seven Up!
1964 · 7.2
Interstellar: Nolan's Odyssey
Interstellar: Nolan's Odyssey
2014 · 7.8
Western Stars
Western Stars
2019 · 7.0
What Is a Woman?
What Is a Woman?
2022 · 6.9
The Pixar Story
The Pixar Story
2007 · 7.5
Star Wars Biomes
Star Wars Biomes
2021 · 6.4
Embrace the Panda: Making Turning Red
Embrace the Panda: Making Turning Red
2022 · 6.8
Billie Eilish - Hit Me Hard and Soft: The Tour (Live in 3D)
Billie Eilish - Hit Me Hard and Soft: The Tour (Live in 3D)
2026 · 8.5

Directivity — streaming FAQ

Which OTT platform streams Directivity?

Directivity is streaming on NFB in Canada. It's not currently on Netflix.

Is Directivity on Netflix?

No, Directivity is not on Netflix in Canada as of September 2026. It's currently on NFB.

Is Directivity on Amazon Prime Video?

No, Directivity isn't on Amazon Prime Video in Canada right now. It's on NFB instead.

Where can I watch Directivity for free?

Directivity is available to stream free (with ads) on NFB in Canada.