propagation
Quick Look at Current Cycle 25 Conditions:
(Data rounded to nearest whole number)
Sunspots:
Observed Monthly, June 2022: 72
12-month smoothed, December 2021: 55
10.7-cm Flux:
Observed Monthly, June 2022: 116
12-month smoothed, December 2021: 102
One Year Ago:
(Data rounded to nearest whole number)
Sunspots:
Observed Monthly, June 2021: 24
12-month smoothed, December 2020: 15
10.7-cm Flux:
Observed Monthly, June 2021: 80
12-month smoothed, December 2020: 76
Late August and early September are a difficult time of year for which to make accurate band predictions because conditions can change dramatically from day to day. On many days, typical summertime conditions will continue much as they were during June and July. On other days, conditions may sound typically fall-like, with somewhat higher daytime usable frequencies and somewhat lower nighttime usable frequencies. When you add conditions that can begin as early as late August, we often experience optimum openings between the northern and southern hemispheres on
