1. Department of Geoscience and Remote Sensing Faculty of Civil Engineering and Geosciences Delft University of Technology Delft The Netherlands
2. Department of Space Engineering Faculty of Aerospace Engineering Delft University of Technology Delft The Netherlands
3. BIG (Badan Informasi Geospasial/Geospatial Information Agency) Java Indonesia
4. Faculty of Earth Sciences and Technology ITB (Institut Teknologi Bandung/Institute of Technology Bandung) Geodesy Research Group Bandung Indonesia