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venerdì 19 agosto 2022

FLARE WITH HF SHORT BLACKOUT ON 16th AUGUST AROUND 8.01 UTC RECORDED FROM TWENTE UNIVERSITY SDR

 I have retrieved today the data from the NOAA archive related to the flare of the 16th of August with maximum at 8.01 UTC as in the two following pictures : 



Being the region of interest also Europe , I have checked on the daily full recording of the SDR of the Twente University and found the signs of a shorth blackout on the HF , as highlighted in the following pictures : 


Please select the 16th August 2022 Day . 

Starting from lower frequency ( the first sign of blackout is around 3855 kHz ) .


3-7 MHz 


7-10 MHz 


10-13 MHz


13-17 MHz 


17-20 MHz 

You can see here the full animation I have mounted at 10min/sec :








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