PPRuNe Forums - View Single Post - Air Traffic Control out in Sweden
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Old 10th Nov 2015, 11:56
  #20 (permalink)  
Join Date: Oct 2013
Location: Sweden
Age: 45
Posts: 443
I wrote about this in the Nordic Forum when it happened.

The people from Luftfartsverket claimed that the solar flares disturbed radar enough that it would sometimes show doubles of planes, and sometimes the planes disappeared.

The disturbance lasted about four hours plus minus. It was low intensity flares so the automated system didn't filter the erroneous data because it was calibrated for larger events.
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