Magnetic and Ground curr.pulsations
Taken by Rob Stammes on September 12, 2016 @ Polarlightcenter Lofoten Norway.
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What happens in our atmosphere.This morning and around noon on sept 12 2016,strong magnetic and ground current pulsations on my instruments. Pc4-Pc5 pulsations,period close to 120 sec. Visible a few times a year and typical around the equinoxes. I like this graphs.
Photographer's website:
http://polarlightcenter.com
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