(2017-08-28, 13:24)RichoAnd Wrote: Observations from long distance are not relevant, as they can be reflections :-)
/Richo
Exactly.... and which channel is referenced for phasing?
![[Image: evsh.png]](http://sferics.us/misc/evsh.png)
http://onlinelibrary.wiley.com/doi/10.10...10294/full
Positive Ground strokes tend to single discharge events... negative tends to multiple discharges. even tthat rule of thumb isn't always valid....
![[Image: polaritychart.png]](http://sferics.us/misc/polaritychart.png)
https://www.ikhebeenvraag.be/mediastorag...liksem.pdf