John Shaw¹, Christopher Cathcart¹, Eleni Katifori², Adam Konkol², Richard P Hale³, Rachel Louise Bain⁴ and Wayne Wagner⁵, (1)University of Arkansas, Fayetteville, AR, United States, (2)University of Pennsylvania, Physics and Astronomy, Philadelphia, United States, (3)Vanderbilt University, Nashville, TN, United States, (4)Vanderbilt University, Dept. of Earth and Environmental Sciences, Nashville, TN, United States, (5)University of Texas at Austin, Austin, TX, United States