Propagation conditions. Propagation conditions on the HF bands have been relatively poor for the season. Average daily sunspot number rose this week from last, jumping over 17 points to 38.1. Average daily solar flux was almost the same. Solar activity has been very low, and fortunately geomagnetic indices are also low. So, some sporadic openings to South Africa on 28 MHz have been reported by Bulgarian hams. DX signals come through mostly on 21, 18, 14 and 10 MHz at the appropriate times, although rather weak. Apparently, the 18 MHz band seems to be the best DX band at present. A slight increase in solar flux is predicted for October 15-16, when it may rise to around 105. Watch the 28 and 24 MHz bands, perhaps they will produce some DX. If the bands look empty, don't just listen but call CQ! It may be rewarding!



http://www.bnr.bg/RadioBulgaria/Emis.../dx-15+oct.htm