The Positioning Performance of Low-Cost GNSS Receivers in Precise Point Positioning Method

Karabulut, Fahri; Aykut, Nedim Onur; Akpınar, Burak; Topal, Güldane Oku; Çakmak, Zubeyir Bilal; Doran, Bilge; Dindar, Ahmet Anıl; Yiğit, Cemal Özer; Karadeniz, Baris; İnam, İlhan Emre

doi:10.15659/isag2021.12601

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“…It is known from previous studies that the SNR values of the YLDZ station are 40-50 dB Hz on average and do not fall below 30 dB Hz, and the multipath values are zero (Karabulut et al, 2021). Based on these results, the YLDZ station provided high accuracy in the single-base GNSS results (Karabulut et al, 2021).…”

Section: Resultsmentioning

confidence: 66%

“…SNR values, which are impacted by the actual intensity of the broadcast signal, space loss, atmospheric influences, antenna gain pattern, and other factors, can be used to detect and mitigate carrier phase multipath problems (Rost and Wanninger, 2009). It is known from previous studies that the SNR values of the YLDZ station are 40-50 dB Hz on average and do not fall below 30 dB Hz, and the multipath values are zero (Karabulut et al, 2021). Based on these results, the YLDZ station provided high accuracy in the single-base GNSS results (Karabulut et al, 2021).…”

Section: Resultsmentioning

confidence: 99%

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Advances in Geodesy and Geoinformation

2022

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With the developing technology and increasing construction, the importance of structural observations, which are of great significance in disaster management, has increased. Geodetic methods have been preferred in recent years due to their high accuracy and ease of use in Structural Health Monitoring (SHM) Surveys. In this study, harmonic oscillation tests have been carried out on a shake table to determine the usability of the Single Base and the Network Real-Time Kinematic (RTK) Global Navigation Satellite Systems (GNSS) method in SHM studies. It is aimed to determine the harmonic movements of different amplitudes and frequencies created by the shake table with 20 Hz multi-GNSS equipment. The amplitude and frequency values of the movements created using Fast Fourier Transform (FFT) and Time Series Analysis have been calculated. The precision of the analysis results has been determined by comparing the LVDT (Linear Variable Differential Transformer) data, which is the position sensor of the shake table, with the GNSS data. The advantages of the two RTK methods over each other have been determined using the calculated amplitude and frequency differences. As a result of all experiments, it has been determined that network and single base RTK GNSS methods effectively monitor structural behaviours and natural frequencies.

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Section: Resultsmentioning

confidence: 66%

Section: Resultsmentioning

confidence: 99%

Advances in Geodesy and Geoinformation

2022

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The Positioning Performance of Low-Cost GNSS Receivers in Precise Point Positioning Method

Cited by 1 publication

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Advances in Geodesy and Geoinformation

Advances in Geodesy and Geoinformation

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