MetOp-SG A1 weather satellite

Finnish high-end technology in space – DA-Group contributes to Europe's most important weather satellite

Image: Esa Image

Europe's new weather satellite MetOp-SG Al was launched into orbit in August 2025 aboard an Ariane 6 rocket from French Guiana. Onboard was an 89 GHz radiometric receiver, designed and manufactured by DA-Group in Finland. The device provides vital data that improves weather forecasts and supports climate change monitoring.

89 GHz receiver for next-generation observations

Image: DA-Group

DA-Group designed and built the channel 17 receiver for the satellite's MicroWave Sounder (MWS) instrument. Operating at 89 GHz, the receiver measures Earth's radiation. Combined with the other channels, it produces accurate global profiles of atmospheric temperature and humidity.

The receiver was tested at VTT Millilab, where environmental characterization ensured reliable operation in space. DA-Group's expertise has already contributed to several international missions, including ESA's Sentinel-1 satellites in the EU's Copernicus programme.

– DA-Group's strength lies in developing reliable systems for extreme environments. We are proud that our expertise supports global climate and weather monitoring and adds value to international space programmes, says Timo Lättilä, Chief Business Officer.

International collaboration showcasing Finnish expertise

MetOp-SG Al is part of EUMETSAT's Polar System - Second Generation (EPS-SG), which continues the MetOp legacy and introduces next-generation observation capabilities for forecasting, marine services and climate monitoring. The satellite was built by Airbus Defence and Space in cooperation with ESA and operated by EUMETSAT. The launch was executed by Arianespace and is available to watch online.

– This is a great example of how Finnish research and technology come together in international space collaboration, adds Project Manager Mikko Kärkkäinen.

DA-Group's advanced radio frequency expertise played a decisive role in this project. lt continues the company's long-standing work in space and satellite technology, showcasing Finnish engineering excellence on the global stage.

More information

• What is EPS and MetOp? (EUMETSAT)
• What is MetOp-SG? (EUMETSAT)
• Meet the satellite: MetOp-SG A1 – Presentation of the MWS instrument and its location on the satellite
• More information on the launch: ArianeGroup – VA264