GB2RS Propagation News
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 […]
Propagation News – 2 June 2024
Last week was characterised by relatively-quiet geomagnetic conditions and a fairly-high solar flux. But is that all about to change? Active region 3664 has returned. It is now named 3697 and has already emitted an X1.4-class solar flare. You may recall that it was AR 3664 that caused the aurora that was visible all over […]
Propagation News – 26 May 2024
After the extremely unsettled HF conditions on the 10 and 11 May, it was gratifying to see things returning to normal last week. The Kp index has returned to being in the range of 1 to 4 and, with a solar flux index still in the 190s, we have seen some good propagation around the […]
