The ARRL Solar Update

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ARRL

Anonymous
Solar flare activity is expected to remain at very low levels, with a
chance for isolated C-class flares through September 19, according to
NOAA's Space Weather Prediction Center (SWPC). Solar wind speed was
steady near 530 km/s, and negative polarity CH HSS (coronal hole
high-speed stream) effects are anticipated to persist through September
18, with additional enhancements likely today due to flan...

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