Three-Dimensional Tomographic Imaging of the Ionosphere Using Global Positioning System Measurements

149 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.The experimental aspect explores the localized 3D imaging of quiet midlatitude conditions and of two classes of structures: equatorial-originating ionospheric depletions and mesoscale traveling ionospheric disturbances (MS-TIDs). A time-series of reconstructed images unravels the evolution and movement of ionospheric structures through the reconstruction region. Lastly, simulations demonstrate the applicability of CPS occultation data as additional reference information and tomographic projections in the reconstruction algorithm.U of I OnlyRestricted to the U of I community idenfinitely during batch ingest of legacy ETD