Topband: Does this solar minimum seem a little more extreme than usual?

[Richard McLachlan]

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.

Richard
G3OQT

> 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 
> 
> 
> books.google.com/books?id=SWdCAQAAIAAJ&pg=PA68&lpg=PA68&dq=daily+sunspot+number+1912&source=bl&ots=p-7Rhel4dI&sig=ACfU3U0YMpFQ0tdADTYYhiyI-qcWOWdEPQ&hl=en&ppis=_e&sa=X&ved=2ahUKEwiM-s7o6rrmAhWQxVkKHbaZCHAQ6AEwCnoECAoQAQ#v=onepage&q=daily%20sunspot%20number%201912&f=false 
> 
> 
> 73 
> Frank 
> W3LPL 
> _________________
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