Sidhant J Pai¹, Colette L Heald¹, James Brooks², Hugh Coe², Babu S.S³ and Satheesh S. K.⁴, (1)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (2)University of Manchester, School of Earth and Environmental Sciences, Manchester, United Kingdom, (3)Space Physics Laboratory, VSSC, Thiruvananthapuram, India, (4)Indian Institute of Science, Bangalore, India