1. Department of Industrial Physics and Medical Instrumentation, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
2. Department of Electrical and Computer Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok, Thailand
3. Centre of Observatory Operations and Engineering (COOE), Division for Radio Observatories Operations and Engineering (CROE), National Astronomical Research Institute of Thailand (Public Organization), Chiang Mai, Thailand
4. School of Electronic and Electrical Engineering, University of Leeds, Leeds, U.K