This paper presents the thickening of a geodesic GPS network through the static method in Secaș, Timiș County, Romania. To do so, we marked soil points with concrete landmarks in four localities (Secaș, Crivobara, Vizma and Checheș) and we used 37 Feno landmarks to thicken the network: we set 8 pairs of concrete landmarks, 2 pairs per locality. The concrete landmarks were made manually, observing the current norms. To materialise the works in the field, we prepared a GPS campaign taking into account several parameters. An important parameter was the stationing time for each landmark apart, taking into account the longest base. After measurements in the field, we acquired RINNEX data from the Cadastre and Real Estate Publicity Offices in Timiș, Făget and Arad, to post-process data and acquire WGS 1984 coordinates from post-processing. After the static post-processing, we thickened the network by setting and reading the Feno landmarks. The 37 Feno landmarks were read through radio waves. To check the correctness of measurements, we also read through the static method for other 5 high order geodesic signals (soil pyramids): Signal Dealul Viilor, Signal Dealul Mare, Signal La Matringa, Signal La Prapat and Signal Poiana lui Iancu. Land surveys were done with GPS equipment from Leica series 1200, and the equipment was downloaded with a Leica Geo Office Combined Programme; WGS 1984 coordinates were turned into Stereographic 1970 coordinates with a TransDatRo Programme, and data were processed with TopoLT and AutoCAD 2016 Programmes. Raw data post-processing was done with a Leica Geo Office Combined Programme.

OCPI, GPS, RTK, Feno, TransDatRO, WGS 1984, Stereografic 1970, TopoLT, AutoCad

environmental engineering

Presentation: poster