1. a Western Australian Centre for Geodesy & The Institute for Geoscience Research , Curtin University of Technology , GPO Box U1987, Perth, WA, 6845, Australia E-mail:
2. b Department of Surveying and Geomatics Engineering , University of Tehran , Tehran, Iran E-mail:
3. c Geodetic Institute , Stuttgart University , Geschwister‐Scholl‐Strasse 24D, Stuttgart, D‐70174, Germany E-mail:
4. d Geodetic Institute , Stuttgart University , Geschwister‐Scholl‐Strasse 24D, Stuttgart, D‐70174, Germany E-mail:
5. e Western Australian Centre for Geodesy & The Institute for Geoscience Research , Curtin University of Technology , GPO Box U1987, Perth, WA, 6845, Australia E-mail:
6. f Western Australian Centre for Geodesy & The Institute for Geoscience Research , Curtin University of Technology , GPO Box U1987, Perth, WA, 6845, Australia E-mail: