| 
Thanks for your input also.
Not limited events, my observations have been for ~17  years on 160 meters,   
and  ~ 30 years working a sked with VK6LK on 75 meters.  Agree  there are 
varying parameters.
An opening on 80 meters does not guarantee a  160 meter opening. that is well 
known.
Observations come more from  an 160 meter opening and asking myself "what just 
happened "? ,   in the world, and solar system ?
Openings are not  the same world wide.  But we especially  like the ones that 
give us new countries.
73
Bruce- k1fz 
 
On Mon, 6 Mar 2017 09:09:55 +0000 (UTC), bruce whitney  wrote:
Bruce,Thanks, interesting new info on a very complex subject. Every storm is 
different. Must use caution with observations from limited events.Rules of 
physics always the same everywhere but every CME comes with its own differing 
parameters with respect to the particular conditions and orientation of the 
geomagnetic field over the course of the event.
I'm sure, nothing you didn't know very well but I have been working with 
GMD/GIC recently and couldn't help but comment. No claim to be an 
expert.Bruce-W8RA
      From: K1FZ-Bruce 
 To: Topband  
 Sent: Sunday, March 5, 2017 9:08 PM
 Subject: Topband: 160 meter long openings
   
My observation are that long 160 meter openings take place at the start of 
auroras then diminish.
This may be why.
https://thespacereporter.com/2017/03/study-says-solar-storms-remove-electrons-earths-atmosphere/
73
Brucw-k1fz
 
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