January 15, 2025

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

via the ARRL: The K7RA Solar Update

Read more at ARRL.org

Solar activity seems to have dropped dramatically from a recent peak.  Are we over the cycle peak and headed down again?  Too early to say.

Daily average sunspot numbers this week sank to 120.1.

Predicted solar flux is 175 on December 6 to 8, 170 on December 9 and 10, 175 on December 11 and 12, and 205 on December 13 to 17.

Predicted planetary A index is 8 on December 6 and 7, 5 on December to …

Read more

American Radio Relay League | Ham Radio Association and Resources – Read More