Virtual array beamforming of GPS TEC observations of co-seismic ionospheric disturbances near the Geomagnetic South Pole triggered by teleseismic megathrusts

Demian Gomez1, Robert Smalley Jr2, Charles A Langston3, Terry J Wilson4, Michael G Bevis1, Ian W D Dalziel5, Eric C Kendrick1, Stephanie Ann Konfal4, Michael J Willis6, Diego A Piñón7, Sergio Cimbaro8 and Dana J Caccamise II9,10, (1)Ohio State University, Columbus, United States, (2)University of Memphis, Center for Earthquake Research and Information, Memphis, TN, United States, (3)University of Memphis, Center for Earthquake Research and Information, Memphis, United States, (4)Ohio State University Main Campus, Columbus, OH, United States, (5)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (6)University of Colorado Boulder, CIRES and Department of Geological Sciences, Boulder, CO, United States, (7)Instituto Geográfico Nacional, Dirección de Geodesia, Buenos Aires, Argentina, (8)Instituto Geográfico Nacional, Buenos Aires, Argentina, (9)The Ohio State University, Columbus, OH, United States, (10)NOAA National Geodetic Survey, Silver Spring, MD, United States