Experimental characterization of plasma start-up using ECRH in preparation of W7-X operationM. Preynas, D. Aßmus, H. Igami, S. Kado, S. Kobayashi, S. Kubo, H.P. Laqua, T. Mutoh, K. Nagasaki, M. Otte, T. Shimozuma, T. Stange and Y. YoshimuraEPJ Web of Conferences, 87 (2015) 02005DOI: https://doi.org/10.1051/epjconf/20158702005