PPP and network true real-time 30 sec estimation of ZTD in dense and giant regional GPS network and the application of ZTD for nowcasting of heavy rainfall

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F06%3A00128995" target="_blank" >RIV/68407700:21110/06:00128995 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
PPP and network true real-time 30 sec estimation of ZTD in dense and giant regional GPS network and the application of ZTD for nowcasting of heavy rainfall
Original language description
We have developed a true real-time ZTD processing system for GEONET (GPS Earth Observation NET work) in Japan by using both precise point positioning (PPP) and network double-differential processing, where "true" means ZTD product availability within several seconds of GPS observations. The two processing systems are designed for potential users who need true real-time GPS tropospheric products for weather forecasts and nowcasting by monitoring current precipitable water vapor (PWV) for short-term prediction of severe rainfall. The PPP processing system first estimates satellite clocks based on zero-differenced observation in a network processing with 23 stations, and the estimated satellite clocks are used for PPP processing for more than 1,300 stations. The network processing system consists of 61 networks where each network has more than 20 stations and estimates ZTD. Both systems use IGU products and do not depend on other external observations. Four month comparison between GPS PW
Czech name
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Czech description
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Project
<a href="/en/project/FT-TA3%2F039" target="_blank" >FT-TA3/039: *Research and development of intelligent self regulation control system OBE GALILEO.</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2006
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the Institute of Navigation - 19th International Technical Meeting of the Satellite Division, ION GNSS 2006
ISBN
978-1-60423-503-6
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
1902-1909
Publisher name
Institute of Navigation
Place of publication
Washington
Event location
Fort Worth
Event date
Sep 26, 2006
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000279025902035

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