电磁辐射采样数据

The study area is in an open area on the campus of Yunnan Normal University in Chenggong District, Kunming City, Yunnan Province. The EM values in the study area were measured using an HF-60105 handheld EM detector, which has a frequency range of 9 kHz-9.4 RTK was used to measure the coordinate information at each point, and the EM value was measured using the radiometer. A total of 445 sampling points were collected on September 24, 2022, and each sampling point contained the point coordinate information and EM value.