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During its planned seven-and-a-half-year mission life, ROSE-L will collect new data that complement and enhance the capabilities of existing missions, particularly by penetrating dense vegetation and improving ground deformation measurements. It will support the monitoring of forests and land cover, and contribute to better assessment of the carbon cycle and carbon accounting. ROSE-L will also strengthen the ability to detect and monitor geohazards such as landslides and earthquakes, and will support automatic mapping of surface soil moisture – aiding agriculture, hydrology, weather forecasting, and climate resilience. Additionally, it will help monitor the dynamics of sea and land ice, especially in the Arctic and other polar regions.Press conference held by S.A.B. Aerospace. | Author: S.A.B. Aerospace The satellite will carry an advanced L-band synthetic aperture radar system provided by Airbus Defense and Space, featuring the largest planar radar antenna ever developed for space – measuring 11 x 3.6 meters with a total area of approximately 40 square meters. “Based on the contract signed in September 2021, S.A.B. Aerospace s.r.o. is the main contractor for the delivery of the satellite's mechanical structure and thermal control subsystem, following a model philosophy that includes a Structural Model (SM) for mechanical qualification, a Proto-Flight Model (PFM), and a second Flight Model (FM2) refurbished from the structural model. As the prime contractor, SAB Aerospace s.r.o. also coordinates and manages the activities of all partners contributing to the mission’s success. These include several subcontractors and suppliers, such as SAB Aerospace S.r.l. providing systems engineering and structural and thermal design, Invent GmbH delivering the primary structure, 5M for the CFRP secondary structure, Arquimea for radiator panels, PRIAM for the tertiary structure, and FHP PT for MLI,” the company further states.Author: S.A.B. Aerospace To support the integration and testing of structural and subsequent flight models of the ROSE-L structure, a new modular ISO Class 9 integration space was built at the premises of the Institute of Aerospace Engineering at the Faculty of Mechanical Engineering of BUT in Brno, with support from Thales Alenia Space and ESA. The usable height of the new cleanroom reaches an impressive 14 meters, and thanks to a reinforced floor, it also allows for mechanical testing of satellite components inside the ISO 9 cleanroom. “The construction of a new cleanroom of these dimensions is another significant milestone in the involvement of the Institute of Aerospace Engineering in space activities. Cooperation with S.A.B. Aerospace opens up new opportunities for us to participate in European Space Agency projects,” says Jaroslav Juračka, Director of the Institute of Aerospace Engineering. The integration of the structural model is currently in an advanced stage and is being finalized in preparation for mechanical static qualification. The fully completed structural model of the ROSE-L satellite will be handed over to Thales Alenia Space Italy for follow-up activities during June. At the same time, preparations have begun for the integration of the first flight model, which will enter the SAB cleanroom in the second half of 2025.
Press release by S.A.B. Aerospace (editorially modified) Source: Faculty of Mechanical Engineering, BUT