Welcome to the website of the Mistrale project. The Mistrale project aims at providing soil moisture maps using GNSS Reflectometry, to decision makers in water management, like farmers and water boards and nature management. The project develops a prototype sensor embedded on a dedicated RPAS platform. Mistrale wants to integrate various technologies to reach commercialisation with these GNSS-R based soil moisture maps.

The Mstrale team

The Mistrale project team welcome you on our website.  

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Latest news
Mistrale at the Geospatial World Forum 2017

On the 25th of January there is, part of the Geospatial World Forum 2017 a dedicated session on Geo Enabled Water Resource Management for Sustainable Development. Between 13:30 and 15:00 this sessions is about Groundwater mapping, monitoring and analysing. The MISTRALE project will be presented here by Laura van de Vyvere. You can found Mistrale in the program with the following presentation titel: “High-resolution satellite-based UAV solution for soil moisture and ground water monitoring”.

Geospatial World Forum

Today Thursday 15 December Galileo is live.


Galileo has now 18 operational satellites in orbit that deliver the high precision positioning Galileo promised. At first the signals might be a little weak but will be boosted with help from satellites in the US military-run GPS system, and grow stronger over time. According to the European Space Agency (ESA), Galileo should be fully operational by 2020, providing time and positioning data of unprecedented accuracy. Once complete, the system will consist of 24 operational satellites (30 in total) and ground infrastructure for the provision of positioning, navigation and timing services. 

Image ESA

Measurement campaign December

Last Friday (9-12-2016) Mistrale held a measurement campaign. With excellent effort and team-work a lot of data is collected for the validation of the sensor and system. This will forms the basis for the next year measurements. Now all the data from the ground measurements and the different airborne sensors has to be compared.

front page of the coordinates Journal

MISTRALE was at the front page of the Journal thanks to Laura’s and Olivier’s

read the article here

Mid-Term Review (MTR)

On 7 July 2016 the consortium held its Mid-Term Review (MTR) in Toulouse hosted by our partner GET. This means that the project is now halve way. In the meeting the overall project status is reviewed.

8 July test flight

On the 8th of July the Mistrale consortium had a test day. The new prototype of the sensor was tested. The long range Boreal operated by L’Avion Jaune is used for that test flight. The Boreal is the RPAS that Mistrale will use in future for the larger Missions like research flights and mapping large areas for nature and water management. The boreal is able to flying for 10 hours while carrying the heavier Mistrale sensor of 1.5kg. 

The Boreal with clearly visible the down looking antenna

Test dedicate Mistrale drone

The first test flight with the dedicate Mistrale drone. Specially designed by ENAC to carry the Mistrale sensor to map soil moister on farming fields.

Learn about MISTRALE in 2 minutes

Mistrale produced a video explaining the GNSS-R concept and how it is deployed for soil moisture mapping.


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This project has received funding from the European GNSS Agency under the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 641606.