Unexpected solar flare gives off stunning UV radiation flash
Thursday, 01 December 2016

On Nov. 29th, new sunspot AR2615 erupted, producing two M-Class solar flares.

A pulse of UV and X-radiation from the explosion ionized the upper layers of Earth's atmosphere over the Pacific Ocean. This affected the normal propagation of radio waves.

Mariners and ham radio operators may have noticed brief fade-outs and/or unexpected hops at frequencies below ~10 MHz.



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