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The K7RA Solar Update

Thread starter ARRL
Start date Jan 26, 2019

ARRL

Well-Known Member

Jan 26, 2019

Sunspot group 2733 appeared on Tuesday with a sunspot number of 18, and on Wednesday it increased in size with a sunspot number of 19, which was also the sunspot number on Thursday, January 24. See images of this sunspot group at http://www.solarham.net/regions/2733.htm. This sunspot is a remnant of old Solar Cycle 24. Average daily sunspot numbers increased to 5.3, from zero the previous week....

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The K7RA Solar Update

ARRL

Well-Known Member

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