Badron, K., A. F. Ismail, A. B. Basri, S. Abdul Halim, M. Ismail, and H. Salim. “Free Space Attenuation Analysis for X -Band and S-Band Satellite Link Using Meteorological Radar Data in the Tropics”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3-10, Dec. 2017, pp. 105-8, https://jtec.utem.edu.my/jtec/article/view/3163.