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The K7RA Solar Update

Thread starter ARRL
Start date Jun 30, 2017

ARRL

Well-Known Member

Jun 30, 2017

A coronal mass ejection (CME) left the sun on June 28th and it is expected to reach Earth on July 2nd. Otherwise, there hasn't been much change in solar activity since last week, but all indicators were lower. Average daily sunspot number moved from 29.4 last week to 20.3 this week, and average daily solar flux went from 74.6 to 73.6.

Average daily planetary A index went from 9.4 to 6.9, and mid...

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The K7RA Solar Update

ARRL

Well-Known Member

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