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Article

A Test on the Potential of a Low Cost Unmanned Aerial Vehicle RTK/PPK Solution for Precision Positioning

Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Nazionale Terremoti, Sede Irpinia, 83035 Grottaminarda AV, Italy
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Academic Editor: Sindhuja Sankaran
Sensors 2021, 21(11), 3882; https://doi.org/10.3390/s21113882
Received: 29 April 2021 / Revised: 1 June 2021 / Accepted: 2 June 2021 / Published: 4 June 2021
(This article belongs to the Special Issue Drone Sensing and Imaging for Environment Monitoring)
This paper investigated the achievable accuracy from a low-cost RTK (Real Time Kinematic)/PPK (Post Processing Kinematic) GNSS (Global Navigation Satellite Systems) system installed on board a UAV (Unmanned Aerial Vehicle), employing three different types of GNSS Bases (Alloy, RS2 and RING) working in PPK mode. To evaluate the quality of the results, a set of seven GCPs (Ground Control Points) measured by means of the NRTK (Network Real Time Kinematic) technique was used. The outcomes show a RMSE (Root Mean Square Error) of 0.0189 m for an ALLOY Base, 0.0194 m for an RS2 Base and 0.0511 m for RING Base, respectively, on the vertical value of DEMs (Digital Elevation Models) obtained by a photogrammetric process. This indicates that, when changing the Base for the PPK, the solutions are different, but they can still be considered adequate for precision positioning with UAVs, especially when GCPs could be used with some difficulty. Therefore, the integration of a RTK/PPK GNSS module on a UAV allows the reconstruction of a highly detailed and precise DEM without using GCPs and provides the possibility to carry out surveys in inaccessible areas. View Full-Text
Keywords: PPK; UAV; drone; precision positioning; RTK; GNSS; remote sensing; photogrammetry; Multi-Base GNSS PPK; UAV; drone; precision positioning; RTK; GNSS; remote sensing; photogrammetry; Multi-Base GNSS
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MDPI and ACS Style

Famiglietti, N.A.; Cecere, G.; Grasso, C.; Memmolo, A.; Vicari, A. A Test on the Potential of a Low Cost Unmanned Aerial Vehicle RTK/PPK Solution for Precision Positioning. Sensors 2021, 21, 3882. https://doi.org/10.3390/s21113882

AMA Style

Famiglietti NA, Cecere G, Grasso C, Memmolo A, Vicari A. A Test on the Potential of a Low Cost Unmanned Aerial Vehicle RTK/PPK Solution for Precision Positioning. Sensors. 2021; 21(11):3882. https://doi.org/10.3390/s21113882

Chicago/Turabian Style

Famiglietti, Nicola A., Gianpaolo Cecere, Carmine Grasso, Antonino Memmolo, and Annamaria Vicari. 2021. "A Test on the Potential of a Low Cost Unmanned Aerial Vehicle RTK/PPK Solution for Precision Positioning" Sensors 21, no. 11: 3882. https://doi.org/10.3390/s21113882

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