Release Date: November 22, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
solar flare
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: November 22, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
Solar activity has remained low this past week. The largest flarewas a C9.9 on November 19 from a region just...
Release Date: July 12, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: July 12, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
Last week we mentioned a large coronal hole on the Sun that might cause problems. The hole is so large...
Release Date: January 4, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: December 28, 2024 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Excellent HF conditions greeted hams in the ARRL 10-Meter contestlast weekend. Recent indicators show a sudden shift to two digitdaily...
Average daily sunspot number plummeted to 104.4. Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December...
Tap or click the link below to download this week’s news script News script for 17 November 2024 (MS Word...
Only five new sunspot groups emerged this week. First was onNovember 7, next on November 9, two more on November...
Solar activity increased this week. Average daily sunspot number went from 127.7 to 197.4 and average solar flux from 170.5...
Thanks to Carl, K9LA for contributing to this week's bulletin. "SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2220 UTC/10 OCTOBER...
What a difference a week makes when it comes to HF propagation! This last week has been characterised by solar...
ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0042UT/04 OCTOBER 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Two coronal mass ejections...
Solar activity was quiet over the past week, but geomagnetic numberswere way, way up. Average daily sunspot numbers dropped from...
Periods of G3 (Strong) geomagnetic storms are likely on 16 Sep 2024 due to coronal hole influences and the anticipated...
With sunspot numbers up and solar flux decreasing, we saw ten newsunspot groups this week; two on September 6, three...
Eight new sunspot groups emerged over the past week. Two appeared on August 30, three more on August 31, another...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0200 UTC/29 AUGUST 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. The solar wind...
