Development of Superconducting Devices Supporting Radio Astronomy. - Yoshinori Uzawa; Matthias Kroug; Takafumi Kojima; Masanori Takeda; Kazumasa Makise; Shohei Ezaki; Wenlei Shan; Akihira Miyachi; Yasunori Fujii; Hirotaka Terai (IEICE Trans. Electron., 2021)