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Real-Time GNSS for European Troposphere Delay Model

Total Cost €


EC-Contrib. €






 ReS4ToM project word cloud

Explore the words cloud of the ReS4ToM project. It provides you a very rough idea of what is the project "ReS4ToM" about.

landslide    service    temporal    ztd    navigation    revealed    trainings    orbit    additional    preliminary    host    earthquake    generation    meteorology    infrastructure    international    interferometric    accuracy    monitoring    nwp    positioning    sparse    gradients    provision    latency    radar    germany    global    modify    model    insar    german    dense    agency    techniques    started    delay    mm    gnss    demand    forecasting    scales    weather    estimates    limited    accuracies    absolute    data    warning    technique    functional    error    regional    observations    hazard    clock    2013    synthetic    geodesy    rt    zenith    limiting    sensing    stuttgart    troposphere    resolution    university    cartography    vast    prediction    aperture    secondments    assimilated    operates    opening    models    quality    delays    federal    stochastic    possibilities    meteorological    correct    satellite    ztds    sophisticated    numerical    solutions    time    poland    provides    slant    timing    continental    remote    source    spatial   

Project "ReS4ToM" data sheet

The following table provides information about the project.


Organization address
postcode: 70174

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 174˙806 €
 EC max contribution 174˙806 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-08-16   to  2021-08-15


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET STUTTGART DE (STUTTGART) coordinator 174˙806.00


 Project objective

Remote sensing of the troposphere with Global Navigation Satellite Systems (GNSS) provides observations of spatial and temporal resolution higher than any other technique and operates under all weather conditions. The main product of GNSS meteorology, the zenith troposphere delay (ZTD), can be assimilated into numerical weather prediction (NWP) models in order to improve forecasting. The troposphere is also a major error source in GNSS positioning and a limiting factor for Interferometric Synthetic Aperture Radar (InSAR) observations. Both techniques are commonly used for hazard warning systems, which raise the demand for reliable real-time (RT) ZTD models. Accuracy and timely provision of ZTD estimates is limited by the quality and latency of satellite orbit and clock products. In 2013, the International GNSS Service started to provide RT products for GNSS, thus opening new possibilities for GNSS meteorology. Preliminary results revealed absolute accuracies of RT ZTDs of less than 30 mm, which is better than any other existing ZTD model available in RT. In order to further improve the quality of RT GNSS ZTD models we will make use of emerging GNSS, modify functional and stochastic models for data processing and provide sophisticated RT products i.e. troposphere gradients and slant delays. We will apply novel approaches in order to improve GNSS monitoring and correct InSAR observations, with the goal to better support RT earthquake and landslide warning systems. The aim of this project is to develop a high-quality RT GNSS model of the troposphere on two scales: dense regional (Germany, Poland) and sparse continental (Europe). The host at the University of Stuttgart, has vast experience in the development of next-generation positioning, navigation and timing solutions, and can provide the crucial infrastructure for this project. Secondments at the German Meteorological Service and the Federal Agency for Cartography and Geodesy will provide additional trainings.

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The information about "RES4TOM" are provided by the European Opendata Portal: CORDIS opendata.

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