Matthew Grawe, Jonathan Makela, Mark Butala, and Farzad Kamalabadi published an article in the October 2018 issue of Space Weather which explores the influence of magnetometer sampling rate on modeled peak electric fields. They discovered that a one-minute magnetometer data cadence can lead to a significant underestimation of the peak electric field, especially in certain regions of the US during strong geomagnetic storms.
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