Intro; Preface; Contents; Part I Reference Frames; DGFI-TUM Analysis and Scale Investigations of the Latest Terrestrial Reference Frame Realizations; 1 Introduction; 2 Scale Investigations: Test Scenarios; 2.1 Comparison of Single-Technique Solutions; 2.2 Comparison of Single-Technique Solutions: Direct Via Local Ties; 2.3 Comparison of Single-Technique Solutions: Indirect Via GNSS; 2.4 VLBI Scale Comparisons Performed by IVS CC; 2.5 SLR Scale Comparisons Performed by ILRS CC; 3 Summary and Conclusions; References; Impact of Different ITRS Realizations on VLBI Combined EOP and Scale

1 Introduction and Input Contributions2 Scale Parameter Comparison; 3 EOP Comparison; 3.1 Comparison to IERS 14C04, IGS and ILRS; 3.2 Comparison to TRF EOP; 4 Conclusion; References; Testing Special Relativity with Geodetic VLBI; 1 Introduction; 2 Lorenz Transformation; 3 Methodology Comments; 4 Conclusions; References; Development of Wideband Antennas; 1 Introduction; 2 Development of the Wideband Antennas; 2.1 Development of the Wideband Feeds; 2.2 Measurement of the Wideband Antennas; 3 Conclusions and Future Development Plan; References; Part II Static Gravity Field

Boundary Complexity and Kernel Functions in Classical and Variational Concepts of Solving Geodetic Boundary Value Problems1 Introduction; 2 Spherical Boundary; 3 Transition to an Ellipsoid; 4 Key Role of Elliptic Integrals; 5 From the Ellipsoid to the Earth's Surface; 6 Conclusions; References; GEOMED2: High-Resolution Geoid of the Mediterranean; 1 Introduction; 2 Data; 3 Method; 4 Results and Validation; 5 Conclusions and Outlook; References; Evaluation of Altimetry Data in the Baltic Sea Region for Computation of New Quasigeoid Models over Poland; 1 Introduction; 2 Data

3 Comparison of Marine Gravity Data4 Quasigeoid Computation and Results; 5 Conclusions; References; AFRGDB_V2.0: The Gravity Database for the Geoid Determination in Africa; 1 Introduction; 2 Available Data; 2.1 Land Data; 2.2 Shipborne Data; 2.3 Altimetry Data; 2.4 Digital Height Models; 3 Methodology; 3.1 Window Remove-Restore Technique; 3.2 Gravity Reduction; 3.3 Interpolation; 3.4 Restore Step; 4 Validation; 4.1 Internal Validation; 4.2 External Validation; 5 Conclusion; References

Combined Use of a Superconducting Gravimeter and Scintrex Gravimeters for Hydrological Correction of Precise Gravity Measurements: A Superhybrid GravimetryAbbreviation; 1 Introduction; 2 Gravity Measurements and Data Processing; 3 Conclusions; References; Evaluation of the Global Altimetric Marine Gravity Field DTU15: Using Marine Gravity and GOCE Satellite Gravity; 1 Introduction; 2 Cryosat-2 and Jason-1 Geodetic Mission Altimetry; 3 Updated Methodology; 4 Evaluation with Marine Gravity Observations; 5 Evaluation in the Arctic Using GOCE; 6 Conclusion; References