Amateur radio operators may have been affected by the signal loss, with commercial radio usually operating at a higher MHz rate.

Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of ...

Watch a powerful X1.2 solar flare erupt from the sun, causing radio blackouts over Hawaii. More flares from unstable sunspot 4114 may follow.

Amateur radio operators may have been affected by the signal loss, with commercial radio usually operating at a higher MHz rate. The blackout was caused by a solar flare from the sun, following a ...