This event created a complete blackout of high-frequency communications on the day-lit side of Earth, which included the entire U.S. and basically anywhere the sun was shining at this time. Communications used by emergency services along the Gulf Coast may have experienced problems due to this flare. Low-frequency navigation systems may also have experienced a period of significant degradation.
Quotes about day-lit (2 Quotes)
My darkness had been filled with the light of intelligence, and behold, the day-lit world was stumbling and groping in social blindness.