Assessment of the near real-time GNSS zenith total delay estimated from different solutions using different orbit and clock products

TONG Ning1, Martin Lidberg1, Jan Morgan Johansson2, Martin Ridal3, Lotti Jivall1 and Christina Kempe1, (1)Lantmäteriet, Gävle, Sweden, (2)Chalmers University of Technology, 2. Department of Earth and Space Sciences, Gothenburg, Sweden, (3)Swedish Meteorological and Hydrological Institute, Norrköping, Sweden