Experimental Results of the EU ITER Prototype Gyrotrons G. Gantenbein, F. Albajar, S. Alberti, K. Avramidis, W. Bin, T. Bonicelli, A. Bruschi, J. Chelis, F. Fanale, F. Legrand et al. (20 more) EPJ Web Conf., 157 (2017) 03016 Published online: 23 October 2017 DOI: 10.1051/epjconf/201715703016