Advances in Radio Science
Advances in Radio Science
ARS
Articles | Volume 23
Articles | Volume 23
https://doi.org/10.5194/ars-23-13-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ars-23-13-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23
26 Mar 2025
 | 26 Mar 2025

Frequency-Dependent Variations of the Antenna Reflection Coefficient Due to Different Wetness Conditions on the Antenna Radome

Jonas Tiede, Christian Chwala, Uwe Siart, and Thomas F. Eibert

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Latest update: 03 May 2026
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Short summary
A hand sprayer is used to deposit droplets on the radome of an antenna. Before and during the drying process, measurements of the antenna reflection coefficient are performed repeatedly over time and frequency using a vector network analyzer. Continuous drifts from the wet state back to the initial dry state are demonstrated for individual antennas and frequency ranges. The obtained insights qualify the antenna reflection coefficient to be a promising indicator of momentary radome wetness.
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