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The main steps for computing geoelectric fields using our real-time method. White indicates the steps involved in preprocessing/manipulating the magnetic and electric field time series, grey indicates inputs, and black indicates the final electric field output. The method was calibrated using MT-TF corrected for galvanic distortion and validated against measured geoelectric time series, which were not corrected for galvanic distortion. Steps in the implementation are labelled based on their corresponding Sections 3.1, 3.2, ...
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