GB2RS Propagation News
Propagation News –14 July 2024
We had another week of reasonably settled geomagnetic conditions and a high solar flux index. The solar flux index was at 214 on Thursday 11 July, while the Kp index has been around 2 to 3 all week. That’s generally good news for HF. However, a small coronal hole is now facing Earth and a […]
Propagation News – 7 July 2024
After a rough spot last weekend, the Sun has since behaved itself, allowing HF propagation to get back to normal. To recap, the Kp index hit 7.67 on Friday 28 June, thanks to incoming plasma from a coronal mass ejection. For a time, it looked like we might have a repeat performance of the 10 […]
Propagation News – 30 June 2024
We had another lucky week with quite a high solar flux index, low Kp geomagnetic numbers, few solar flares and no coronal mass ejections, or CMEs, of note. In fact, you couldn’t ask for better! But is that all about to change? With nine active solar regions on the Sun’s surface and the return of […]
Propagation News – 23 June 2024
We had a relatively quiet week, with the Sun generally being settled. There were coronal mass ejections, but they were on the far side of the Sun and not Earth-directed. There were no X-class flares, although we did have a few C- and M-class events. The solar flux index declined to 167 but has since […]
Propagation News – 16 June 2024
No sooner do we say that conditions will remain good than the Sun emits an X-class solar flare! Such is the challenge of writing propagation predictions. Nevertheless, after the X1.5-class flare on the 10 June, things settled again and, at the moment, there are no incoming coronal mass ejections, or CMEs for short, to report. […]
Propagation News – 9 June 2024
It seems that we haven’t had a repeat performance of the auroral conditions caused by active sunspot region 3697. For aurora watchers, that could be a disappointment, but for HF lovers it means the bands have been quite settled. The Kp index has been at 3 and below, while the solar flux index has been […]
