Interpreting the GNSS Vertical Coordinate Variations:
Tonie M van Dam, University of Luxembourg, Luxembourg, Luxembourg, Jim Ray, Retired, Washington, DC, United States, Anne Sheehan, University of Colorado Boulder, Department of Earth Science, Boulder, United States, Thomas Herring, Massachusetts Institute of Technology, Cambridge, MA, United States, Mark H. Murray, U.S. Geological Survey Earthquake Science Center, Moffett Field, United States and Geoffrey Blewitt, University of Nevada Reno, Reno, NV, United States