Evaluation of the ZWD/ZTD Values Derived from MERRA-2 Global Reanalysis Products Using GNSS Observations and Radiosonde Data

Evaluation of the ZWD/ZTD Values Derived from MERRA-2 Global Reanalysis Products Using GNSS Observations and Radiosonde Data

Tropospheric delay is one of the main errors affecting high-precision positioning and navigation and is a key parameter of water vapor detection in the Global Navigation Satellite System (GNSS). The second Modern-Era Retrospective analysis for Research and Applications (MERRA-2) is the latest genera...

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Bibliographic Details
Main Authors: Liangke Huang, Lijie Guo, Lilong Liu, Hua Chen, Jun Chen, Shaofeng Xie
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Sensors
Subjects:
zenith tropospheric delay
zenith wet delay
GNSS
MERRA-2
Online Access:https://www.mdpi.com/1424-8220/20/22/6440

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