The way they do the sunspot calculation, there is no way to have a number
between 0 and 10. It will be either 0 or 11, then go up from there. Look at
some of the old sunspot number archives & you'll see this. Flux is a better way
to get a linear relationship of activity at the low end. The lowest possible
flux number is 66.
Alan Braun NS0B
> Date: Tue, 15 Apr 2008 21:52:07 -0700
> From: w7why@verizon.net
> To: cq-contest@contesting.com
> Subject: [CQ-Contest] Sunspots
>
> I just got these numbers from the NOAA website. Does it mean that we went
> from 0 sunspots to 12 in 2 days? If so, WOW! 73
> Tom W7WHY
>
>
> "NOAA (American) Sunspot Number
> This number is reported daily around 0225Z and reports
> the number of sunspots observed in the previous 24 hour period
>
> The NOAA Sunspot number for 15-Apr-2008 was: 12
>
>
> Most recent five days (oldest first): 0 0 0 0 11"
>
>
>
>
>
>
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