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Open Area Test Site Under Final Evaluation


A world class open area test site (OATS) is under its final evaluation for flatness and performances in Changping Campus, NIM, in November,2012. It consists of a metal ground plane with dimensions of 60 m by 40 m and a triangular shaped stainless earthing wire mesh along peripheral of the metal ground. The height of the mesh triangles is 10 m, while the length of the bottom is 5 m. The tips of the mesh triangles are earthed into the ground with resistance less than 1Ω. The flatness of the inner metal ground plane is expected to be within ±4mm for 95% area.