Airborne soil moisture retrieval systems allow the collection of data from a large area. The data product can be used for farming/ hazard management etc. Currently, there are two systems under development at our lab.
![](https://engineering.purdue.edu/RNL/wp-content/uploads/2023/12/whole-system.png)
The DroneSAR system is a synthetic aperture radar system based on a drone. The system is originally developed at Cape Town University, South Africa known as MiloSAR.
Currently, the system is under development for data retrieval for soil moisture, plant monitoring etc.
![](https://engineering.purdue.edu/RNL/wp-content/uploads/2023/12/sar-sys.jpg)
![](https://engineering.purdue.edu/RNL/wp-content/uploads/2023/12/band.png)
SAR image comparison with a satellite RGB
![](https://engineering.purdue.edu/RNL/wp-content/uploads/2023/12/rgb-ref.png)
![](https://engineering.purdue.edu/RNL/wp-content/uploads/2023/12/sam_acq.png)