<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A comparison between low-cost single-frequency and dual-frequency Global Navigation Satellite System (GNSS) receiver timing modules is presented, focusing on their suitability for time transfer applications. The study uses a zero-length baseline measurement approach to assess their performance and highlights the advantages of dual-frequency receivers. The clock comparison residuals between these low-cost devices and a reference receiver are analyzed. In particular, it is shown that the use of averages longer than 200s can effectively mitigate the quantization error inherent in pulse per second outputs of the timing modules. The results showcase sub-nanosecond time deviation instabilities between the reference receiver and the dual-frequency timing module. In contrast, the single-frequency module exhibits time deviations of 3.3ns at a one-day averaging interval. This research provides insights into the selection and utilization of GNSS timing modules for time transfer applications, where such modules can serve as attractive, cost-effective alternatives for applications requiring moderate accuracy.</p>
</abstract>

A comparison between low-cost single-frequency and dual-frequency Global Navigation Satellite System (GNSS) receiver timing modules is presented, focusing on their suitability for time transfer applications. The study uses a zero-length baseline measurement approach to assess their performance and highlights the advantages of dual-frequency receivers. The clock comparison residuals between these low-cost devices and a reference receiver are analyzed. In particular, it is shown that the use of averages longer than 200s can effectively mitigate the quantization error inherent in pulse per second outputs of the timing modules. The results showcase sub-nanosecond time deviation instabilities between the reference receiver and the dual-frequency timing module. In contrast, the single-frequency module exhibits time deviations of 3.3ns at a one-day averaging interval. This research provides insights into the selection and utilization of GNSS timing modules for time transfer applications, where such modules can serve as attractive, cost-effective alternatives for applications requiring moderate accuracy.

Comparison of Low-Cost GNSS Receivers for Time Transfer using Zero-Length Baseline

Faculty of Mechanical Engineering, Slovak University of Technology

Bratislava, Slovakia, Slovak Institute of Metrology

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

A comparison between low-cost single-frequency and dual-frequency Global Navigation Satellite System (GNSS) receiver timing modules is presented, focusing on...

Comparison of Low-Cost GNSS Receivers for Time Transfer using Zero-Length Baseline

Pubblicato online: 07 mar 2024

Pagine: 42 - 46

Ricevuto: 23 set 2023

Accettato: 16 gen 2024

DOI: https://doi.org/10.2478/msr-2024-0006

Parole chiave
time transfer, GNSS, low-cost, clock comparison, Ublox F9T

© 2024 Marek Doršic, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Comparison of Low-Cost GNSS Receivers for Time Transfer using Zero-Length Baseline

Pubblicato online: 07 mar 2024

Pagine: 42 - 46

Ricevuto: 23 set 2023

Accettato: 16 gen 2024

DOI: https://doi.org/10.2478/msr-2024-0006

Parole chiavetime transfer, GNSS, low-cost, clock comparison, Ublox F9T

© 2024 Marek Doršic, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
time transfer, GNSS, low-cost, clock comparison, Ublox F9T