Thats right Pierre,
On numorous occasions, the band condx. seem to improve 24 hours BEFORE an
aurora occurance. Can anyone prove in theory that this is true ? NM7M ?
I feel the need for predicting aurora with accuracy 24 hours ahead.
Henrik OZ1ING
----------
> From: Pierre PETRY <petry@vtx.ch>
> To: topband@contesting.com
> Subject: TopBand: Propagation
To: <topband@contesting.com>
> Date: 11. januar 1997 07:45
>
> Hello top band friends
>
> I worked this morning KA7T for my last state for 160m. WAS
> thanks very much Don.
>
> I have been very surprised to find very very good conditions
> this morning, have worked N7UA K7CA N7JW KA7T W7LR.
>
> How to explain very good condx with WWV index SF=75 A=24 K=4 ??
>
> I often noticed poor condx with A=1 or 2 and K=0 !!!
>
> That means WWV index is not all, something else make good or bad condx.
>
> Very 73
> Pierre HB9AMO
>
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