Re: [HCDX]: Re: A Index & MW DXing

["David Onley" <donley@xxxxxxxxxx>]

> I think that the lower the K and A-index is the better, but they have to
> low for some days before the conditions really improve.

Hi Mauno & all

Yeah.. I really couldn't say.. I know after storming it takes the ionosphere a 
few days to recover but I'm not sure what the reason would be if it's just 
really low..

> stratospheric warming can spoil everything. 

I've actually heard these warnings over WWV etc.. What does it seem to do? I've 
never read too much on this.. Actually nothing come to think of it..

> was booming in. Did you have stratosphere warming during Christmas?

Yes there were 4 to 5 days in a row of it.. Maybe your theory is right..

> In the 80's I also experienced A index going up to 15 and it spoiled
> nothing maybe because it came back so quickly to 1 the next day.
> I think that when there is some VERY slight activity in the geom. field,
> the K-index given every three hours doesn't give a full picture of the
> thing. It may show 0 and there still is activity and the results are poor.

Yes I am sure you are right Mauno.. As I said to Paul it would be nice to know 
how & why it all works.. 

> A real theory on these things would be really interesting.

Yup.. Exactly.. I have a sneaking suspicion it would takes decades of study.. 
Given the changes through the 11 year cycles..

Cheers
Dave

 
  ,-._|\  David Onley donley@xxxxxxxxxx
 /  Oz  \ Never lose site of the bigger  
 \_,--.x/ picture. Rob a bank!
       
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