In contemporary research literature, inconsistencies regarding the validity and reliability of
different brands of global positioning systems (GPSs) have been reported regarding the …

Previous research has reported inconsistencies in the validity and reliability of different
brands of global positioning systems (GPS). Therefore, it should be questioned whether …

This research aimed to examine the validity and reliability of GPS units located in different
positions. Nine recreational soccer players (age: 23.18±2.21 years; height: 176±7.65 cm; …

This study aimed to investigate the accuracy and reliability of Polar Team Pro GPS units (10
Hz) when used to measure distance and total distance covered in different speed zones …

ABSTRACT GPS systems are commonly used to analysis football performance during either
trainings or matches. While many studies have investigated the validity and reliability of …

The purposes of this study were to obtain the match activity of high school soccer player, and
to examine the measured value between GPS and VTR methods during a match play. The …

Purpose: To examine the difference in distance measured by two global positioning system
(GPS) units of the same model worn by the same player while performing movements …

Limited data is available on accuracy and validity of video-based, GPS and electronic
tracking systems, particularly with reference to curved courses and short high intensity …

Abstract Beato, M, Devereux, G, and Stiff, A. Validity and reliability of global positioning
system units (STATSports Viper) for measuring distance and peak speed in sports. J …

Aim: The aim of this study was to determine the accuracy and reliability of SPI ProX global
positioning system (GPS) devices for measuring movement at various speeds and …