Been done… numerous times. 11/11 is the date in question. See graph. 12/5 is also in question…. see graph. As was 12/11 and 12/12.
Cross reference to here: https:// geocenter.info/en/monitoring/schumann
and you can see the dates Q posted the meter (which measures low voltage in the ionosphere) throw the charts into "atypical" readings.
WTF else do you need?