Reglero, V., N. Østgaard, T. Neubert, P. Connell, C. J. Eyles, J. Navarro, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, B. H. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, Terrestrial Gamma ray Flashes Imaging–First results, AGU Fall Meeting, Washington DC, 10-14 December, 2018