Remote sensing data processed by the InSAR method is widely used to detect, measure, and monitor changes in the Earth's movement. The InSAR method can be used to develop continuous deformation maps and fill gaps in distributed geodetic networks. This method will help in the potential detection of deformation anomalies in large areas that could have been missed due to the discreteness of the GNSS network. In order to improve the results of using this technology in areas without proper persistent and distributed scatterers, it is necessary to use ground corner reflectors. The algorithm for orientation parameters calculating and the method of deploying a trihedral triangular reflector are described in this paper. The details of the Sentinel-1A satellite passage are determined by using the website Heavens Above. The designed three-sided triangular reflector with an inner leg length of 1 m was deployed for the period from May 2023 to June 2023. The analysis of the radar images acquired by the Sentinel-1A satellite was performed using the Earth Observation Browser website.
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