Umberto SCIACCA received his Master in Electronic Engineering at "Sapienza" University of Rome in 1989, following a remote sensing curriculum. He spent some years as a designer of electronic equipments in the space industry. Now he is a Senior Technologist at Istituto Nazionale di Geofisica e Vulcanologia, Rome (the Italian institution for Geophysics). His main activities include: feasibility studies on the remote sensing electronic systems; design, engineering and test of radar-based instrumentation to be used in geophysical applications (above all ionospheric sounders and radars for glacier prospecting).