4/8/2026
In many RF applications, both in military and aerospace fields as well as in more widespread contexts such as GPS and IoT, the use of a circularly polarized antenna can represent a decisive advantage.
In this new technical paper, we clearly and practically explain what circular polarization is, why it is so important in many radio links, and what the main configurations used to achieve it are. From helical antennas to patch antennas, and up to solutions based on orthogonal elements fed in quadrature, the document provides a technical overview to better understand the advantages, limitations, and selection criteria of the different architectures.
An analysis intended for those who wish to approach the selection of professional circularly polarized antennas with greater awareness and to understand when a custom solution can make the difference in terms of link margin, operational reliability, and control of RF performance in real-world conditions.
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Flaminio Bollini
ElettroMagnetic Services Srl
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