In this study we assess the quality of multi-GNSS observations of recent Android
smartphones. The results reveal a significant drop of smartphone carrier-to-noise density …

Understanding the kinematics and triggers of a landslide is central to assessing the risk of a
landslide. This understanding can be achieved through a robust instrumentation plan that …

Smartphones with their capability to receive Global Navigation Satellite Systems (GNSS)
signals can be currently considered the most common devices used for positioning tasks …

Nowadays, with the incursion of low-cost GNSS receivers with modern characteristics, it is
common to investigate and apply new methodologies and solutions with different receivers …

This paper presents numerical analyzes of code differential GPS positioning with the use of
two Huawei P30 Pro mobile phones. Code observations on L1 and L5 frequencies were …

A positional accuracy obtained by the Precise Point Positioning and static relative methods
was compared and analyzed. Test data was collected using low-cost GNSS receivers of …

The paper presents the analysis of single-point GPS positioning results obtained from
smartphones, using code observations on the L1 and L5 frequencies. In this research we …

The article presents the results of experimental studies of the TerraStar service, which
implements autonomous real-time PPP (Precise Point Positioning) technology. The service …

The concurrent research compares the results of a geodetic baseline through Global
Navigation Satellite System (GNSS) measurements with low-cost GNSS receivers, geodetic …

Traditional indirect georeferencing requires time-consuming and labor-intensive field
surveys to obtain ground control points (GCPs), making it challenging to apply in high-risk …