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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Many solar flares and CMEs occurred over the reporting week (March 24-30) but with glancing blows and near misses, it wasn’t reflected in the geomagnetic indicators until Thursday, the last day in March.

The Planetary A index reached a high for the reporting week of 19 on March 27. Average daily planetary A index rose by a modest amount from 6.3 to 10.

Average daily sunspot number rose from 33.4 ...

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