A Simulation Study on Triple Frequency Ambiguity Resolution for Reference Stations Using Different Strategies Regarding Elevation angles Nov 1, 2018· Sun Kyoung YU , Dong-Uk Kim , June-Sol Song Changdon Kee · 0 min read Last updated on Nov 1, 2018 Authors Changdon Kee Professor ← A New Method for converting Slant Ionospheric Delays to Vertical for SBAS Ionospheric corrections Nov 1, 2018 Improving Detection Performance of Ionospheric Disturbances due to Earthquake by Optimization of Sequential Measurement Combination Nov 1, 2018 →