Solar activity was a bit weak during recent days. Average dailysunspot number was 159.1. During the previous week the average...
solar weather
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...
Currently a geomagnetic storm is raging. On January 1-2, Alaska'scollege A index reached 113. Predicted planetary A index is 12...
Strong solar activity continues, with worldwide propagation on 10and 12 meters quite commonplace. Predicted solar flux is 255, 250, 210,...
Solar activity seems to have dropped dramatically from a recent peak. Are we over the cycle peak and headed down...
ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and...
Tap or click the link below to download this week’s news script News script for 10 November 2024 (MS Word...
Key solar indicators were lower this week, with average daily solarflux down from 194.3 to 170.5 and average daily sunspot...
Average daily sunspot numbers changed from 160 to 129.3 and averagedaily solar flux from 261.3 to 194.3. Geomagnetic numbers werehigher,...
Release Date: September 28, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: September 14, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Solar activity was a bit lower this week. Seven new sunspot groups appeared. The only day with no new sunspot...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0650 UTC/14 JUNE 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE."A weak halo CME...
Release Date: May 18, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
On May 1, an extremely powerful solar flare occurred on the Sun, which led to a large-scale radio blackout throughout the Pacific...
Seven new sunspot groups appeared over the past week, February 8-14,two on February 8, three on February 10, and two...
Departing sunspot AR3559 erupted Monday morning, Jan 29th (0438 UT), producing a strong M6.8-class solar flare. NASA's Solar Dynamics Observatory recorded the...
"GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0132 UTC ON 15 DECEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "Two predominately...
Six new sunspot groups emerged over this reporting week (November 30to December 6).Last week, using the previous week's Propagation Forecast...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2306 UTC 16 NOVEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE."Two recent CMEs...