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Central European Journal of Sport Sciences and Medicine
Vol. 50, No. 2/2025

Validity and Reliability of TITAN2 Global Navigating Satellite Systems in Two Different Protocols

DOI: 10.18276/cej.2025.2-03
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ISSN:2300-9705
eISSN:2353-2807
Autorzy: Michał Nowak ORCID
Faculty of Physical Culture Sciences, Collegium Medicum dr. Władysława Biegańskiego, Jan Długosz University in Częstochowa, Częstochowa, Poland, Science Department of the RKS Raków Częstochowa Academy, Częstochowa, Poland

Tomasz Gabryś ORCID
University of Applied Sciences in Nysa, Poland

Jarosław Muracki ORCID
Institute of Physical Culture Sciences, Department of Physical Culture and Health, University of Szczecin, Poland

Iwo Naglik ORCID
Institute of Computer Science, Poznan University of Technology, Poznań, Poland

Jakub Marynowicz ORCID
Department of Theory and Methodology of Team Sport Games, Poznań University of Physical Education, Poland
Słowa kluczowe: GPS GNSS TITAN2 validity reliability HDOP DOP
Data publikacji całości:2025
Liczba stron:15 (25-39)
OAI-PMH:Metadane
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Abstrakt

GNSS systems are widely used in many sports. Lastly observed increase of popularity of this kind of monitoring is observed by new equipment appearing on the market. Our aim in this study was to assess validity and reliability of TITAN2 GNSS equipment. Two protocols were used: protocol one consisted of 9 laps of 400(m) long athletes track where the devices were carried on an electric car with constant velocity, protocol two was using gold standard proposed by Coutts & Duffield (2010) consisting 128,5m track of different move patterns including 20m sprint with photocells which was covered by 19 male adult professional football players. Results: total distance (TD) CV% was ranging from 0.32 to 0.55%, TD at maximum speed CV% was ranging from 0.45% to 0.78%, maximum speed CV% was 0.206% to 0.609%, TD on 128.5(m) track had CV% of 1.4%. These results prove that TITAN2 GNSS is a reliable device providing valid data to the users.

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