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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Australia’s Space Weather Services issued a Geomagnetic Disturbance Warning at 0022 UTC on August 16. "Geomagnetic activity is expected to be at Quiet to Active levels due to coronal hole effects. A period of significant southward Bz component could produce isolated Minor Storm levels."

What is the Bz component? It is a component of the interplanetary magnetic field, or IMF. http://pluto.space.s...

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