As a surprise,a magnetic storm.Starting just before 19.00 UTC,with a swinging magnetometer and larger ground currents.But it is different than usual.Some seconds before the magnetometer start to move and the induced ground current chanced,there is an aurora reflection on my vhf radio installation.But why not at the same time.But all is well,on many places there is great northern light.
http://spaceweather.com/
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