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Giant Sunspot Unleashes Massive Solar Flare

Ham Radio NewsBy CQDX.ru November 11, 2011

A powerful solar flare that erupted Thursday (Nov. 3) from a huge blemish on the sun’s surface has been classified as an X1.9 flare, ranking it among the most powerful types of storms our star can unleash. The flare originated in a humongous sunspot that was sighted earlier this week, which is one of the…

Solar CME and flares kill upper HF bands

Ham Radio NewsBy CQDX.ru September 28, 2011

The last couple of days have shown both the good and the bad sides of increasing solar activity, says Steve G0KYA. He adds that Sunday and Monday were fantastic examples of how high levels of solar activity/sunspots, coupled with quiet geomagnetic conditions, can make the bands come alive. “The solar flux index was up to…