Abstract: The accurate measurement of total electron content (TEC) is vital for ionospheric research and satellite navigation services. Nowadays, the advancement of multiple Global Navigation ...

Abstract: Optimizing the K value in the K-Nearest Neighbor (KNN) algorithm is a critical step in enhancing model performance, particularly for tasks related to classification and prediction. The Elbow ...

AIM: In order to determine the reliability between two of these methodologically different method, this study evaluated the systematic and random errors of the method proposed by Tanaka and Johnston, ...