Comparison of positional accuracy between navigation GPS and GNSS RTK in mixed urban surveys of the Jipijapa canton
DOI:
https://doi.org/10.62305/alcon.v6i4.1216Keywords:
GNSS RTK; GPS navigation; positional accuracy; topographic survey; civil engineeringAbstract
The objective of this research was to compare positional accuracy, that is, the comparison of a navigation GPS and a GNSS RTK system, by surveying 15 control points in urban environment conditions in the canton of Jipijapa; for which, a quantitative approach was carried out with a descriptive and comparative scope that was developed through a cross-sectional design. In this way, control points located in areas with different qualities of satellite visibility were selected and their coordinates were collected by using the positions offered by each positioning technology, subsequently processing the information collected to determine the planimetric and altimetry error, at which point the descriptive statistical measurements are calculated and Student's t-test is applied in order to check the results obtained by both work teams. The results showed that the GNSS RTK system showed a considerably high accuracy compared to the navigation GPS, being that for the latter, the errors it presented depended on the conditions of the medium and the intervention of interferences that affected the reception of satellite signals.
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