Institute of Space Science;
Universiti Kebangsaan Malaysia;
Bangi 43600;
Selangor;
Malaysia;
Department of Electrical;
Electronic and Systems Engineering;
Faculty of Engineering and Built Environment;
Universiti Kebangsaan Malaysia;
Bangi 43600;
Selangor;
Malaysia;
Antarctica; GPS; ionosphere; large-scale traveling iono-spheric disturbance (LSTID); magnetic storm;