Cycle 24’s Rapid Slide

The MUF (Maximum Usable Frequency) dropped down to 9 mhz even before sunset last night, and for the first time in a very long time, even ZS6CCY, Bill, was too weak to call on 40M. I noticed that 20M closed very early yesterday afternoon, and 30M was right behind that. 40M was not at all its normal self, but 80 and 160M had plenty…