Identifying lightning sferics vs electric grid noise?

Get help identifying an unknown signal.
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JEL
Posts: 93
Joined: Wed Feb 07, 2018 2:08 am

Identifying lightning sferics vs electric grid noise?

Post by JEL » Tue Apr 03, 2018 1:13 am

I had a look here:
https://www.sigidwiki.com/wiki/Lightning_Sferics

The problem:
I get the same kind of lines and pops when electrical equipment (Light-switches, refrigerators, etc) is switched ON and OFF.

So how does one identify if it is truly a lightning that happened or rather somebody turning ON a lamp?

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