ARRL Solar Update

Sacramento Valley Section News

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Solar activity was at low levels with seven numbered active regions

on the disk.

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The largest event of the period was a C3.7 flare on March 25 from

Region 4400. Region 4403, which was numbered last period, is the

suspected source of several flares observed beyond the limb prior to

its rotation onto the disk. Due to its proximity to the northeast

limb, foreshortening continues to prevent a definitive

c…

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