Table 6.

GPS/GNSS data quality metrics of included studies

GPS/GNSS Data quality metric	Unit of measure	Studies that outlined variable	% of studies in review that outlined information	Reference
Horizontal Dilution of Precision (HDOP)	Mean ± SD	27/113	23.9%	[6, 9, 32, 33, 38, 40, 47, 75, 78, 81, 82, 84–86, 95, 108, 110–113, 117, 120, 129, 130, 139, 144–146]
Number of satellites connected	Mean ± SD	31/113	27.4%	[6, 9, 32, 33, 38, 47, 55, 70, 75, 80–82, 84–86, 90, 93, 95, 101, 103, 108, 110–113, 117, 120, 136, 139, 144–146]