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Antenna_Theory_Propagation.webm (WebM audio/video file, VP9/Opus, length 12 min 26 s, 640 × 480 pixels, 231 kbps overall, file size: 20.56 MB)
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Summary
| Description | Royal Canadian Air Force training film on antenna propagation fundamentals |
| Date | |
| Source | YouTube: Antenna Theory Propagation – View/save archived versions on archive.org and archive.today |
| Author | The National Film Board of Canada |
Licensing
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This Canadian work is in the public domain worldwide because it was subject to Crown copyright and was first published before December 31, 1973.
According to Public Works and Government Services Canada / Travaux publics et Services gouvernementaux Canada, Canada has no intention of renewing expired Crown Copyright works in any country, and consequently the URAA does not apply. An email is on record at ticket:2013122310013986. |
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This file, which was originally posted to an external website, has not yet been reviewed by an administrator or reviewer to confirm that the above license is valid. See Category:License review needed for further instructions.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:26, 13 December 2022 | 12 min 26 s, 640 × 480 (20.56 MB) | Shubjt | Imported media from https://www.youtube.com/watch?v=-F7KYLO4Bkg |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on pt.wikipedia.org