Wilde, F., Stange, T., Marsen, S., Laqua, H. P., Oosterbeek, J. W., Wolf, R., et al. (2017). Improved Measurements of Satellite Mode Activity in 140 GHz Wendelstein 7-X Gyrotrons: An Approach towards an Electronic Stability Control. Talk presented at 19th International Vacuum Electronics Conference (IVEC 2018). Monterey, CA. 2017-04-24 - 2017-04-27.