Calculation of the magnetic field and its modal analysis in the port plug cavity of the ITER ICRF antennaAlena Křivská, Frédéric Durodié, Fabrice Louche, Daniele Milanesio and Walid HelouEPJ Web Conf., 346 (2026) 03010DOI: https://doi.org/10.1051/epjconf/202634603010