We appreciate the guidance and suggestions from Drs. Jim Dye, E. Philip Krider, John Willet, C. A. “Tony” Grainger, and Mike Poellot during workshops, teleconferences, or field work that occurred during this research effort. We also thank Dr. Dennis Boccippio for his helpful comments during informal meetings at the National Space Science and Technology Center here in Huntsville, Alabama. In addition, we thank all Citation aircraft pilots and their ground-support crew for making it possible for us to collect calibration and storm electric field data. Finally, we thank Scott Podgorny for electric field mill maintenance and data system support, and Wiebke Deierling for her help in aircraft routing.
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