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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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Average solar flux and sunspot numbers were way down this week. Sunspot numbers were down by half, from 112.6 last week to 53.4. Average daily solar flux declined from 156.1 to 132.5.

Geomagnetic indicators were lower too. Average daily planetary A index from 23.3 last week to 15 in this bulletin, and average daily middle latitude A index from 13.7 to 11.7.

The April 1 middle latitude A inde...

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