# What kind of structure is this?

**URL:** <https://boards.straightdope.com/t/what-kind-of-structure-is-this/815050>\
**Category:** Factual Questions\
**Created:** [May 29, 2018, 12:10pm UTC](https://boards.straightdope.com/t/what-kind-of-structure-is-this/815050 "2018-05-29T12:10:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![TheSundial](https://avatars.discourse-cdn.com/v4/letter/t/6f9a4e/32.png) [@TheSundial](https://boards.straightdope.com/u/TheSundial)\
**Post date:** [May 29, 2018, 12:10pm UTC](https://boards.straightdope.com/t/what-kind-of-structure-is-this/815050/1 "2018-05-29T12:10:44Z")

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In this video a couple dirt bike riders arrive at this unusual antenna? in the Eastern part of the US.

[![](https://img.youtube.com/vi/X_pRqjSQkCQ/maxresdefault.jpg "Best Police Dirtbike Chases Compilation #12 - FNF") ](https://www.youtube.com/watch?v=X_pRqjSQkCQ)

Best view is probably 2:27.

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**Author:** ![GaryM](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/garym/32/241_2.png) [@GaryM](https://boards.straightdope.com/u/GaryM)\
**Post date:** [May 29, 2018, 12:26pm UTC](https://boards.straightdope.com/t/what-kind-of-structure-is-this/815050/2 "2018-05-29T12:26:24Z")

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Not a good view on the video, but it looks like it might be a Sturba antenna or perhaps support for a Rhombic antenna.

They are semi directional antennas and were/are used for shortwave broadcast stations like Voice of America. I do know that the Canadian short wave broadcasters had one or more in Eastern New Brunswick aimed at Europe.

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<div class="post-metadata">

**Author:** ![TheSundial](https://avatars.discourse-cdn.com/v4/letter/t/6f9a4e/32.png) [@TheSundial](https://boards.straightdope.com/u/TheSundial)\
**Post date:** [May 29, 2018, 12:31pm UTC](https://boards.straightdope.com/t/what-kind-of-structure-is-this/815050/3 "2018-05-29T12:31:02Z")

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Thanks, it would be interesting as a filming location.