Making sure that the measurements made by satellites are as accurate as possible has always been a difficult business and this will be especially true for ESA’s ice mission CryoSat. However, last week a new instrument, which is set to be the workhorse for validating CryoSat data, was successfully tested from an aircraft over the snow and ice not far from the North Pole.
More information at:
http://www.esa.int/export/esaLP/SEMLR167ESD_index_0.html