The Institute contributes with its know-how and expertise in passive and active microwaves to the development and advancement of ground-based, airborne and spaceborne sensors. It concentrates its research work on the concept and development of new microwave techniques and systems, as well as sensor-specific applications. The Institute is mainly contributing to the space programme (85% of the basic funding), but is also contributing to the aeronautics (9%) and transportation (6%) programmes. Today, the Institute has more than 50% of its resources allocated to projects and external contracts.