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The K7RA Solar Update

Thread starter ARRL
Start date Oct 16, 2015

ARRL

Well-Known Member

Oct 16, 2015

On October 15 at 2345 UTC, the Australian Space Forecast Centre issued a geomagnetic disturbance warning, which said that continued strengthening of the solar wind stream due to coronal hole effect may lead to isolated periods of minor geomagnetic storms on October 16.

Sunspot numbers during the October 8-14 reporting period were nearly the same as during the previous 7 days. Average daily sunsp...

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The K7RA Solar Update

ARRL

Well-Known Member

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