Magnetic disturbance and Vlf radio signal change.
Taken by Rob Stammes on December 10, 2021 @
Polarlightcenter Lofoten Norway.
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Details:
Dec.10 a sudden magnetic disturbance,local K3 after a day of inactivity.On this graph is very clearly visible the relationship between magnetic variation,ground currents and electric currents in our ionosphere which influence low frequency reflected radio waves.A well-known phenomenon but not always clearly visible.
Photographer's website:
https://polarlightcenter.com
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