GB2RS Propagation News
Propagation News – 12 February 2023
The solar flux index rose again this week with the arrival of more sunspots. By Thursday, the SFI had reached 192, up from 135 the week before. However, there has been some flare activity with minor C-class and some M-class flares, mainly from active region 3213. None of these have erupted in an Earthward direction […]
Propagation News – 5 February 2023
Well, what a difference a few weeks make. On the 15 January, the solar flux index was at 234 and the Sun was peppered with spots. This week, on Thursday, the SFI was at 134 and the solar surface looked like it was at sunspot minimum again. The Sun has also been mainly geomagnetically quiet, […]
Propagation News – 29 January 2023
As of Thursday, we had a strange situation whereby all the current visible sunspots were in one hemisphere of the Sun. But this isn’t that unusual, as the two hemispheres usually peak at different times in the cycle. In a couple of years, we may well have the reverse situation. Nevertheless, the solar flux index […]
Propagation News – 22 January 2023
The solar flux index has continued to remain above 200, which is good news for the upper HF bands. 10m continues to surprise people with 10m FM around 29.600MHz bringing transatlantic contacts to many. AM around 29.000MHz is also bringing some exciting contacts. The Sun is currently peppered with spots, with the recent solar flux […]
Propagation News – 15 January 2023
It seems X-class solar flares appear like buses; you wait for ages and then three turn up at once! Over the last week, we have had X-class flares on the 7, 9 and 10 January. The latest, at the time of writing, saw sunspot region 3186 rotate into view off the Sun’s northeast limb and […]
Propagation News – 8 January 2023
Firstly, a happy New Year to all our listeners. Let’s hope that the propagation gods continue to smile on us in 2023! The solar flux index is back near the 150 mark having seen a low of 128 on 23 December and a recent high of 165 on New Year’s eve. Geomagnetic conditions had been […]
