Analysis of foF2 Observations and Predictions of Modified Ionosphere Model in East-Asia

The modified ionospheric critical frequency of F2 layer (foF2) model was given, and the predictions of foF2 at two sounding stations in east-Asia are compared with observation results measured by the ionosonde. The statistical results prove that: the foF2 calculated from the new model can be well treated as a similar trend in the variation of the monthly median statistical characteristics of observation data. Specifically, the minimum root-mean-square error (RMSE) is 0.54MHz, and relative RMES are 8.17%. The modified ionosphere model can be supported in fields such as communication, navigation, detection and location, spectrum management, etc.