Development of the Multi-Beam Transmission Line for DTT ECRH system Saul Garavaglia, Alex Bruschi, Francesco Fanale, Gustavo Granucci, Alessandro Moro, Paola Platania, Afra Romano, Stefan Schmuck, Alessandro Simonetto and Espedito Vassallo EPJ Web Conf., 277 (2023) 04006 Published online: 23 February 2023 DOI: 10.1051/epjconf/202327704006