Initial Observations for Precipitation Cores With X-Band Dual Polarized Phased Array Weather Radar. - Hiroshi Kikuchi; Taku Suezawa; Tomoo Ushio; Nobuhiro Takahashi; Hiroshi Hanado; Katsuhiro Nakagawa; Masahiko Osada; Tsuyoshi Maesaka; Koyuru Iwanami; Kazuhiro Yoshimi; Fumihiko Mizutani; Masakazu Wada; et al. (IEEE Trans. Geosci. Remote. Sens., 2020)