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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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At 2256 UTC on February 28 the Australian Space Forecast Centre issued a Geomagnetic Disturbance Warning. “The Earth is currently under the influence of strongly elevated solar wind speed associated with a coronal hole. A period of significant southward Bz component could produce an isolated Minor Storm period.” The Bz component refers to the interplanetary magnetic field. See: https://bit.ly/1...

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