Key solar indicators were lower this week, with average daily solarflux down from 194.3 to 170.5 and average daily sunspot...
solar flux
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...
The RSGB is looking for its next volunteer Youth Champion. This could be one role or split between people who...
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...
We had a good week for HF propagation, at least until we had a Kp index of 5.67 on Wednesday,...
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...
Solar activity was a bit lower this week. Seven new sunspot groups appeared. The only day with no new sunspot...
Big increase in solar activity this week, with average daily sunspot number rising from 129 to 215.9, and solar flux...
New sunspot groups, nine in all, emerged on every day of this reporting week, July 4 to 10. One on...
Solar activity increased this week, with average daily sunspot numbers rising from 149.6 to 181.6. For some reason average daily...
We had another lucky week with quite a high solar flux index, low Kp geomagnetic numbers, few solar flares and...
Sunspot numbers rose this week, with the average changing from 139.4to 149.6, but average daily solar flux only shifted from...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0650 UTC/14 JUNE 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE."A weak halo CME...
This reporting week (May 30 to June 5) our Sun was active, with ninenew sunspot groups.One emerged on May 30,...
SB PROP ARL ARLP020 ARLP020 Propagation de K7RA Solar activity was quiet this week. Average daily sunspot number slipped from...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2302 UTC/09 MAY 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "Four halo CMEs...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED 1817 UTC/02 MAY 2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "A period of planetary...