We discussed the Schumann resonance a while back. it stuck in my mind that this Ionospheric quality was important in hum.
On Thursday, 17 April 2014 09:57:49 UTC+1, John Dawes wrote: > > Dear Lidia > > Thank you very much for the information. > > I am trying to find a relation between the changes in the ionosphere and > the Hum experiences of others and myself. > > There is a daily cycle where the Hum increases during the evening reaching > a maximum during the early hours and decreases again at dawn. However, > there are times when the Hum reaches a high level both day and night which > may last for several days. At other time the Hum may decrease to a very low > level and to some may appear to have gone completely. > > > > The daily cycle can be accounted for by the effect of the Sun on the > rotating Earth and the other variations may be due to Sunspot activity. > > From what I have read the first is the 27 day Sunspot cycle due to the > rotation of the Sun, which incidentally is very close to the Moon cycle, a > subject which has been noted by many sufferers over the years. The 27 day > Sunspot cycle causes day-to-day variations which cannot be predicted. > > There is also the 11 year Sunspot cycle that is well known and gives a > maximum and minimum every 11 years. By the method suggested by John Beaman > it may be possible to check this one by the numbers of Hum sufferers making > complaints on open forum web sites, to the media and possibly from the > archive records of local authorities. > > > > These are only a few suggestions and there is much work to be done before > we have a positive answer. > > > > -- You received this message because you are subscribed to the Google Groups "Hum Sufferers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/hum-sufferers. For more options, visit https://groups.google.com/d/optout.
