Basic measurements of radiation at station Ishigakijima (2025-09)

Direct irradiance data was rejected for about two hours on Sep 27 due to flags. The window of the instrument seemed to be covered with many rain drops then.9月27日，共计约两小时的直接辐射数据因数据质量标记（flags）被剔除。彼时该仪器的光学窗口（window）表面似乎布满了大量雨滴。