JACoW Publishing, Geneva, Switzerland 396-398 (2019). doi:10.18429/JACOW-SRF2019-TUP005 Proceedings of the 19th International Conference on RF Superconductivity Proceedings of the 19th International Conference on RF SuperconductivityThe 19th International Conference on RF Superconductivity, Dresden, Germany, 2019-06-30-2019-07-05