Marsen, S., Brunner, K. J., Laqua, H. P., Moseev, D., Stange, T., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Stray radiation in Wendelstein 7-X – Experience from the fist experimental campaigns. Talk presented at 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20). Greifswald. 2018-05-14 - 2018-05-17.