G. Stober, A. Kozlovsky, A. Liu, Z. Qiao, M. Tsutsumi, C. M. Hall, S. Nozawa, M. Lester, E. Belova, J. Kero, P. J. Espy, R. E. Hibbins and N. J. Mitchela, Assessing the spatial variability of mesosphere/lower thermospheric winds from multi-static meteor radar networks applying tomographic retrievals with a 3DVAR algorithm, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021