Wagner, D., Stober, J., Kircher, M., Leuterer, F., Monaco, F., Münich, M., Schubert, M., Zohm, H., Gantenbein, G., Jelonnek, J., Thumm, M., Meier, A., Scherer, T., Strauss, D., Kasparek, W., Lechte, C., Plaum, B., Zach, A., Litvak, A. G., Denisov, G. G., Chirkov, A., Malygin, V., Popov, L. G., Nichiporenko, V. O., Myasnikov, V. E., Tai, E. M., Solyanova, E. A., & ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). The Multi-Frequency ECRH System at ASDEX Upgrade – Current Status and Plans. Talk presented at 43rd International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2018). Nagoya. 2018-09-09 - 2018-09-14.