Phainomenon 6 years

[insight]

Hello
I think one of the reasons for the phenomenon is cosmic rays or "muon".
https://en.wikipedia.org/wiki/Muon

[Geo]

I read the article but I did not see that the phenomenon is creating by the "muon".
However, the important is that the phenomenon exists and I have met it many times.

[humhum]

in article write that lifetime of MUONs is only 2.2uS in Ionosphere

[taxma1981]

this dipole is of buried copper metal, the distance from pole to pole is 50 cm. The north is left as we see the photograph of the positive pol
https://ibb.co/gXwPD9