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Abstract

SUMMARY

It is known that the tropospheric delay is one of the most important factors that reduce GNSS measurements accuracy. The aim of the work is to analyze the change of both hydrostatic and wet components of zenith tropospheric delay. Today, zenith tropospheric delay components are determined mainly in two ways. The hydrostatic component determined by using analytical models, such as Saastamoinen model. The wet component of ZTD is obtained from GNSS measurements using simulated value of hydrostatic component. The study evaluated the accuracy of the both hydrostatic and wet components of ZTD according to sounding data. For this, two pairs of aerological and GNSS reference stations was selected. First pair of stations is Praha-Libus aerological station and GOPE GNSS reference station, which located in Czech Republic. The second pair is Legionowo aerological station and GOPE GNSS reference station, located in Poland.

EAGE Publications BV © 2022 The Authors © European Association of Geoscientists and Engineers
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/content/papers/10.3997/2214-4609.2022590006
2022-10-03
2024-04-28

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.2022590006
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Analysis of Seasonal Changes of Zenith Tropospheric Delay Components Determined by Data of Two Pairs of Aerological and GNSS Stations
Conference Proceedings 2022, 1 (2022); https://doi.org/10.3997/2214-4609.2022590006
/content/papers/10.3997/2214-4609.2022590006
/content/papers/10.3997/2214-4609.2022590006
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