1. Geodesy and Geomatics Engineering, Faculty of Earth Science and Technology, Bandung Institute of Technology, Bandung, Indonesia
2. National Research and Innovation Agency (BRIN), Jakarta, Indonesia
3. Geodesy Engineering, Faculty of Civil Engineering and Planning, Institut Teknologi Nasional Bandung, Bandung, Indonesia
4. Faculty of Biology, Universitas Jenderal Soedirman, Purwokerto, Indonesia