1. School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA Shah Alam,Selangor,Malaysia
2. Kyushu University,MAGDAS/CPMN Research Group International Center for Space and Planetary Environmental Science,Japan
3. Microwave Research Institute, Universiti Teknologi MARA Shah Alam,Selangor,Malaysia
4. School of Electrical Engineering College of Engineering, Universiti Teknologi MARA Cawangan Johor,Malaysia