ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
planetary A
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 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...
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,...
Thanks to Carl, K9LA for contributing to this week's bulletin. "SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2220 UTC/10 OCTOBER...
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...
Ten new sunspot groups appeared over this reporting week (August 15-21), but both solar flux and sunspot numbers were lower,...
With sunspot numbers and solar flux at times both above 300, recent daily space weather has been exciting for radio...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0211UT/09 AUGUST 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "Recent CME activity is...
Big increase in solar activity this week, with average daily sunspot number rising from 129 to 215.9, and solar flux...
Big increase in solar activity this week, with average daily sunspot number rising from 129 to 215.9, and solar flux...
Solar activity increased this week, with average daily sunspot numbers rising from 149.6 to 181.6. For some reason average daily...
ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0538UTC/28 JUNE 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE: "A glancing blow from...
Sunspot numbers rose this week, with the average changing from 139.4to 149.6, but average daily solar flux only shifted from...
SB PROP ARL ARLP020 ARLP020 Propagation de K7RA Solar activity was quiet this week. Average daily sunspot number slipped from...
