Análise da acurácia posicional no processo de migração de dados e conversão entre sistemas de referência usando softwares para fins cadastrais

The purpose of this article is to analyze the positional error resulting from the use of commercial and “free” software, considering the data collected in the field with a GNSS TPS T10 Receiver using the RTK method. The study area is located in the urban perimeter of the Municipality of Monte Carmelo (MG) and the registration of the manipulation of these data is analyzed as a usual task among users who manipulate them for cadastral purposes, as well as their validation using the PEC-PCD . It is concluded that the positional error is 8 cm, which is acceptable for urban registration purposes, and there are no differences in practice between these softwares.