Basic measurements of radiation at station Ishigakijima (2025-03)

DIR and DIF data is rejected for about 60 minutes on Mar 2 due to flags. Instruments windows seemed to be covered with sea salt or sand then.因数据质量标记（flags）原因，3月2日时长约60分钟的DIR与DIF数据被剔除。彼时仪器观测窗口似乎被海盐或沙尘覆盖。