NOAA’s Space Weather Prediction Center (SWPC) has reported that a brief radio blackout “event” occurred on March 29 at 1748 UTC, the result of an “impulsive” or short-lived R3 (strong) solar flare. Extreme ultraviolet radiation from the X-1 class event “sent waves of ionization rippling through Earth’s upper atmosphere and disturbed the normal propagation of terrestrial radio transmissions,” Sp...
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