1. Physic Institut Teknologi Bandung,Department of Engineering,Bandung,Indonesia
2. Institut Teknologi Bandung,Department of Geodesy and Geomatics Engineering,Bandung,Indonesia
3. Universitas Presiden,Faculty of Electrical Engineering,Cikarang,Indonesia
4. University of Science and Technology,Faculty of Advanced Science and Technology,Danang City,Vietnam
5. Universitas Padjadjaran,Department of Electrical Engineering,Sumedang,Indonesia
6. Universitas Padjadjaran,Department of Electrical Engineering,Bandung,Indonesia