Zach, A., Kasparek, W., Plaum, B., Lechte, C., Stober, J., Monaco, F., et al. (2015). Towards in-situ real-time monitoring of spurious modes in HE11 transmission lines using multi-hole couplers in miter bends. Talk presented at 27th Joint Russian-German Workshop on ECRH and Gyrotrons. Greifswald. 2015-06-29 - 2015-07-04.