1. College of Engineering, Universiti Teknologi MARA Johor Branch,Electrical Engineering Studies,Masai,Malaysia
2. International Research Center for Space and Planetary Environmental Science (i-SPES), Kyushu University,Fukuoka,Japan,819-0395
3. School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA,Shah Alam,Malaysia
4. Institute Universiti Teknologi MARA,Microwave Research,Shah Alam,Malaysia