1Geodesy Research Group, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40135, Indonesia
2Geodetic Institute, Norwegian Mapping Authority, Kartverksveien 21, Hønefoss 3511, Norway
3Faculty of Science and Technology, Norwegian University of Life Sciences (NMBU), P.O. Box 5003, Ås, 1432, Norway
4Geodesy and Glaciology, Bavarian Academy of Sciences and Humanities, Alfons-Goppel-Str. 11, Munich 80539, Germany
5Applied and Exploration Geophysics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40135, Indonesia