EH Antennas: Construction Plans and Technical Info

Find schematics, building guides, and performance data for various EH antenna designs, including multiband and compact versions.

David
Reviewed by • Senior RF Engineer & Technical Editor • March 2026

EH antennas are a type of compact antenna design that often sparks discussion among operators, especially those with limited space for traditional wire arrays or large Yagis. These designs aim for efficient radiation from a physically small structure, making them attractive for urban hams or portable stations. Many hams experiment with EH antennas for various bands, seeking to understand their performance characteristics and practical applications for everyday QSOs.

Operators interested in building these compact antennas can find numerous homebrew projects, often using common materials like PVC tubing and discarded cans, for bands from 10 meters down to 160 meters. Resources include construction guides for specific bands, such as the 40-meter EH antenna by CO6HK, and discussions on design principles and efficiency. There are also technical pages, like those from W8JI, that delve into the theory behind EH antennas and their comparison to other compact designs like CFA antennas.

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