No Observable Temporal Change of Seismic Properties in the Earth’s Outer Core in a Reported SKS Dataset

Xin Zhang, University of Science and Technology of China, Laboratory of Seismology and Physics of Earth's Interior & School of Earth and Space Sciences, Hefei, China and Lianxing Wen, State University of New York at Stony Brook, Department of Geosciences, Stony Brook, United States