We are independent & ad-supported. We may earn a commission for purchases made through our links.
Advertiser Disclosure
Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.
How We Make Money
We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently of our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What is a Rhombic Antenna?

John Lister
Updated Feb 17, 2024
Our promise to you
WiseGeek is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At WiseGeek, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject-matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

A rhombic antenna is a type of antenna that covers a wider range of frequencies than most antennae. It is usually used for high frequencies, which are also known as shortwave. The most common use of a rhombic antenna is in amateur radio relay and broadcasting.

The rhombic antenna is a broadband directional antenna. The broadband has nothing to do with internet access, but rather refers to the fact that it can work with an unusually wide range of frequencies. Directional means that the antenna receives signals best from a specific direction, meaning it should be pointed toward the source with which it is communicating.

The name of the rhombic antenna comes from the fact that it consists of four conductors, in the form of wires, arranged in a diamond shape. To work to full effect, these wires have to be symmetrical. This means all four should be the same length, and the angles at which the pair of wires on either side of the diamond must be the same. The reason this shape works so well is that the two wires at the side that connects to the rest of the equipment acts in a similar fashion to a funnel.

Although the rhombic antenna must be pointed in a specific direction, its wide range means that it is easy to combine multiple antennae effectively. One example of this is to combine six antennae so they face in different directions across all three dimensions. In effect, the antennae are pointed in the same way as the six faces of a die, although it's not possible to literally set them up to form a cube. That's partly because of the potential for interference, and partly for the simple fact that rhombus shapes can't form a cube. With this set up of six antenna, depending on the user's location, it may be possible to receive signals from the majority of populated areas on the planet.

The main advantages of the rhombic antenna include its cheapness. This is because only four poles are needed, one to support the wires at the points where they meet. Another benefit is that the broad range of frequencies means there is more room for error in setting up and adjusting the antenna.

The main disadvantage of the rhombic antenna is that it requires a comparatively large area on which to be erected. It is also subject to earth losses below the antenna, which can significantly reduce efficiency.

WiseGeek is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
John Lister
By John Lister
John Lister, an experienced freelance writer, excels in crafting compelling copy, web content, articles, and more. With a relevant degree, John brings a keen eye for detail, a strong understanding of content strategy, and an ability to adapt to different writing styles and formats to ensure that his work meets the highest standards.
Discussion Comments
John Lister
John Lister
John Lister, an experienced freelance writer, excels in crafting compelling copy, web content, articles, and more. With...
Learn more
WiseGeek, in your inbox

Our latest articles, guides, and more, delivered daily.

WiseGeek, in your inbox

Our latest articles, guides, and more, delivered daily.