Solar indicators continue to weaken. Average daily sunspot numbers declined from 129.4 to 103.3, and average daily solar flux went from 128.5 to 110.3. This is comparing data from May 22-28 to the previous seven days.

The instruments used to measure solar flux at the observatory in British Columbia were overloaded on May 24, and the estimated solar flux was 118. The actual measured value was 124…

American Radio Relay League | Ham Radio Association and Resources

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