Avramidis, K. A., Ioannidis, Z. C., Aiello, G., Benin, P., Chelis, I., Dinklage, A., et al. (2020). Towards a 1.5 MW, 140 GHz Gyrotron for the Upgraded ECRH System at W7-X. Poster presented at 31st Symposium on Fusion Technology (SOFT 2020), Virtual Edition.