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What modulates our Sun? The majority of science work on the principle that the Sun is self modulating and each solar cycle is a product of a random number generator. There are others that suspect the Sun is modulated by the planets with a special emphasis on Uranus & Neptune. Thanks to Carl Smith who has recently left us we have new knowledge that significantly adds to Jose, Landscheidt & Charvàtovà's work.

Geoff Sharp

Has SILSO Sold Out The International Sunspot Record?

Has the SILSO sold out the sunspot record? In breaking news there are 4 papers published this year that pose serious questions to the Svalgaard/Clette review of the international sunspot number that ended up changing the sunspot record last July. If the challenges are withheld it would seem the most important sunspot record of 400 years has been allowed to be manipulated to reflect the views of just two people, who could be seriously argued as having their own agenda rather than basing the outcome on rigorous science. The Svalgaard/Clette revised Group Sunspot Number has also been challenged. It will be interesting if this topic comes up on WUWT?

Paper 1

Paper 2

Paper 3

Paper 4

Another paper in print could also challenge the SILSO revision:

Friedli,T.K. 2016,“The construction of the Wolf Series from 1749 to 1980”, SolarPhys.,

Many thanks go to Carl's brother Dave for providing the Domain, Server and Software.