High altitude points Reference Adria Vienna

The MA 41 – City Surveying – based on the official high-altitude points of the Federal Office of Calibration and Surveying – has its own network of altitude fixed points with around 6,300 points, which are distributed throughout the city and are kept evident on an ongoing basis. The heights are displayed in meters in the height reference system for use height Adria (GHA).MA 41——城市测量（City Surveying）数据集基于联邦校准与测量局（Federal Office of Calibration and Surveying）的官方高程基准点构建，拥有自身的高程固定点基准网，包含约6300个遍布全市的测点，且始终保持标识清晰可辨。所有高程值以米为单位，采用Adria高程参考系统（GHA）进行标注。