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The article examines main aspects of building threedimensional (3d) models of agricultural parcels of land on the example of generation of digital models of the experimental farm fields. Features and characteristics of the 3d field models building are given according to the results of the application of photogrammetry methods using a UAV (quadcopter) to obtain a heightmap of the investigated areas to compare it with the change in the density of the GSM signal coverage. The examples of digital terrain models (DTMs) obtained at different stages of the processing are given, the issues of using ready-made models for further analytical research on the example of a heightmap transformation for tracking and predicting negative processes, are considered.

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Features of the building of three-dimensional models of agricultural parcels of land to assess the influence of the relief on the signal stability of cellular networks