Modernizing and Upgrading the Astrogeodetic Camera System for Determining Vertical Deflections

Muge Albayrak1, Kerem Halicioglu2, Burak Basoglu1, Ra┼čit Ulug1, M. Tevfik Ozludemir1 and Rasim Deniz1, (1)Istanbul Technical University, Geomatics Engineering, Istanbul, Turkey, (2)Kandilli Observatory and Earthquake Research Institute, Geodesy Department, Istanbul, Turkey