Harp Technologies refurbishes HUTRAD radiometers

Harp Technologies has refurbished the 6.8 GHz, 10.65 GHz, and 18.7 GHz radiometers of a legacy HUTRAD system. The HUTRAD system was originally developed in the mid-1990s at the Helsinki University of Technology (now Aalto University, Espoo, Finland). The refurbished HUTRAD radiometers were successfully applied in the CIMRex flight campaign in the Arctic in March 2019 to support the future passive microwave satellite mission CIMR (Copernicus Imaging Microwave Radiometer). The work was carried out under a programme of, and funded by, the European Space Agency (ESA) and under the leadership of the Finnish Meteorological Institute (FMI).