Mistrale produced a video explaining the GNSS-R concept and how it is deployed for soil moisture mapping.
The 2 minute video provides a good insight in the potential and possibilities of the Mistrale concept.
It also contains footage from the early test flights. You can watch it here.
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.