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Impact of Solar Activity on the Environment in March 2022

Data from 64 stations of the global ionosonde network were used to estimate the correlation coefficient between the critical frequency of the ionosphere and its total electron content TEC during periods of high solar activity in March 2022. This coefficient in the vast majority of cases exceeded the value of 0.9, which indicates the interchangeability of these parameters in assessing the state of the environment. This assessment using the TEC parameter revealed a global positive ionization perturbation with a deviation of 30 to 100% from the month median at the end of the month, which can affect the operation of various space technological systems.