Tuesday, February 15, 2011

Solar Cycle 24 Is Alive !!

At 0144 UTC on February 15, 2011 the first X class solar flare of solar 
cycle 24 occurred. It was an X2.2. It produced a sudden ionospheric 
disturbance (SID) and attendant radio blackout that has wiped out the 
shortwave radio spectrum as high as approximately 35000 khz on the sun 
facing side of the earth.

73 & GUD DX,
Thomas F. Giella, NZ4O
Lakeland, FL, USA

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