Studying Traveling Ionospheric Disturbances with Citizen Science: Modeling and Validation, Diego Sanchez, Gareth Perry, Nathaniel A. Frissell, Anthea Coster, Philip J. Erickson, William Engelke, J. Michael Ruohoniemi and Joseph B.H. Baker, New Jersey Institute of Technology, University of Scranton, MIT Haystack Observatory, University of Alabama, Virginia Polytechnic Institute and State University