Topband: VANISHING SUNSPOTS (http://spaceweather.com/)

[Kevin Stover]

It turns out that there have been two cycles back to back with what we 
would consider bad numbers. They started in 1800 and it lasted three 
cycles. It's called the Dalton minimum.

https://en.wikipedia.org/wiki/Dalton_Minimum

On 6/5/2016 2:50 PM, Kevin Stover wrote:
> If I read the reference material correctly there have never been two 
> low cycles in a row except during the Maunder minimum back in 1645 to 
> 1715.


-- 
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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