1. Institute of Physics, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
2. Tubitak Marmara Research Center, Polar Research Institute, 41470 Kocaeli, Turkey
3. Department of Geomatics Engineering, Faculty of Civil Engineering, Istanbul Technical University, 34467 İstanbul, Turkey
4. Department of Geomatics Engineering, Faculty of Civil Engineering, Yildiz Technical University, 34349 Istanbul, Turkey
5. Department of Geomatics Engineering, Faculty of Engineering, Osmaniye Korkut Ata University, 80000 Osmaniye, Turkey