The Fraunhofer Institute for Integrated Circuits IIS, the Space Research Institute (Institut für Weltraumforschung, IWF) of the Austrian Academy of Sciences (Österreichische Akademie der Wissenshaften, ÖAW) and the Full Service Foundry division of ams AG, a leading provider of high performance sensors and analog ICs enable highly accurate measurements of the Earth’s magnetosphere from space. For the first time a new kind of integrated circuit is used.