Topband: Does this solar minimum seem a little more extreme than usual?
richard at rodsley.net
Mon Dec 16 14:25:08 EST 2019
Well, the band was open albeit briefly this morning from the UK to ZL. When I used to operate in G/ZL tests in the early 60s that was thought impossible at this time of year. I can’t speak for the intervening years but other than at the Equinoxes there is no grey line path between the two.
So something must be working well.
> On 16 Dec 2019, at 19:16, donovanf at starpower.net wrote:
> We've had 92 percent spotless days since May 19th.
> The last time this happened was more than 100 years ago
> when there were 93% spotless days from Feb 28 to Oct 24, 1913
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