[Elecraft] Solar Cycles
Fred Jensen
k6dgw at foothill.net
Thu Jan 26 22:11:19 EST 2017
Getting predictions right is really hard ... especially if they're in
the future.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
**Usually attributed to Y. Berra, philosopher and catcher. He denies it.
On 1/26/2017 6:25 PM, lmarion wrote:
> When stars reach middle age, half of ~10 billion for our sun,they
> phase into a state where there are no sunspots for the rest of their
> hydrogen burning life.
> So the sunspots cycle ( which is ~22 years by the way, it is based on
> sunspot polarization, ~11 years is half of the cycle. ), will
> disappear completely. I did see
> a sunspot group when I looked at the sun in Hydrogen alpha, so not
> today.
> Amateur astronomy and radio are the coolest hobbies, with fishing a
> close third.
>
>
>
> Leroy AB7CE, amateur radio operator and astronomer and Montana fly
> fisherman
>
>
>
> -----Original Message----- From: Dauer, Edward
> Sent: Thursday, January 26, 2017 2:32 PM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] Solar Cycles
>
> For those who have been concerned whether the solar cycle would
> reverse this time, take heart. An article in The Economist for Jan.
> 21 2017 (at page 67) reports that a study of fossilized vegetation
> from the Permian period about 290 million years ago evidences a solar
> cycle back then of 10.6 years, easily within the statistical
> variability around today’s 11.2.
>
> Take that, Annie and Walter Maunder.
>
> Ted, KN1CBR
>
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