Quote:
Though GICs can primarily cause problems for power systems, railroads and pipelines aren’t immune.
“Researchers have found a positive correlation between geomagnetic storms and mis-operation of railway signaling systems,”
https://www.nasa.gov/feature/goddard/2017/living-with-a-star-nasa-and-partners-survey-space-weather-scienceimage as pdf:
https://www.nasa.gov/sites/default/files/atoms/files/gicinfographicfinal.pdf