Abstract
This article presents an analysis of measurements collected during a six-month-long experimental deployment of a surface-placed horizontal magnetic loop antenna. The changes in the measured parameters of the loop are investigated in relation to the surrounding environment’s composition, temperature and water content. Basic functions describing these changes are formulated. The results are confronted with outcomes from similar experiments from previous years and different locations, showing good compliance. The developed functions and antenna system can be used for environmental monitoring of soil composition and humidity over large areas and volumes, helpful in, for example, flood awareness.
Highlights
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This work aims to define the sources of the unstable behaviour of the parameters of stealth longwave horizontal loop antennas; this instability manifests itself in rapid changes in the antenna’s inductance, which can be linked to direct changes in the surrounding environment
The ‘drought’ data set for the same range of temperatures as the ‘light water’ range appeared more unstable for the mean L values, but generally approached the
Summary
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