IPTC Proudly Celebrates Recognition of Its Members by URSI-Spain
On April 7, 2026, the Board of URSI-Spain announced the appointment of its first group of Honorary Members, recognizing outstanding professional careers and key contributions to the development of radio science in Spain. This distinction highlights decades of dedication, particularly the work carried out since the 1980s within the framework of the National URSI Symposium.
Among those honored are distinguished professionals who have played a fundamental role in strengthening the radio science community, enhancing its national and international impact. Their recognition not only celebrates individual achievements but also underscores the importance of a generation that helped shape the growth and prestige of this scientific field.
Among those distinguished as Honorary Members are three senior members of the IPTC: Félix Pérez Martínez, Jesús María Rebollar Machain and Manuel Sierra Pérez.
Félix Pérez Martínez is a Professor Emeritus and a key institutional figure at UPM, where he notably served as the Director of the Escuela Técnica Superior de Ingenieros de Telecomunicación (ETSIT) between 2013 and 2021. An Engineer and PhD holder from the university itself, he has dedicated decades to academic management, previously directing the Department of Signals, Systems, and Radiocommunications (SSR) and spearheading the connection between academia and the professional sector.
In the technical arena, he is an international benchmark in radar and radiofrequency technologies, directing strategic chairs with companies such as Indra and the Ministry of Defence. His career has been honored with distinctions such as the Crosses of Naval and Military Merit; furthermore, he was named Engineer of the Year in 2020 by the COIT, consolidating his legacy as one of the pillars of telecommunications engineering in Spain.
Jesús Rebollar Machain is a telecommunications engineer and earned his PhD from the Technical School of Telecommunications Engineering at the Polytechnic University of Madrid in 1975 and 1980, respectively. Since 1976, he has been part of the Applied Electromagnetics Group at the same university, where he has taught subjects related to electromagnetic theory and microwave engineering while holding various academic positions. In 1988, he became a full professor in the Department of Electromagnetism and Circuit Theory, later continuing his work in the Department of Signals, Systems, and Radiocommunications.
His research career spans a wide range of areas, including microwave oscillators (Gunn diode and FET-based), biological effects of electromagnetic fields, transmission media characterization, numerical methods in electromagnetics, optimization techniques, and the development of software and CAD tools for radiofrequency and microwave devices. He has collaborated on numerous national and international R&D projects with public institutions and major companies in the aerospace and telecommunications sectors. His work has contributed to the design of advanced microwave, millimeter-wave, and THz passive devices used in ground systems and satellites, many of which are currently in orbit or have been part of major space missions. He also holds several patents, and his work has received notable recognition, including awards linked to EUCAP and HISPASAT.
Manuel Sierra Pérez. Born in Zaragoza, he earned a degree in Telecommunications Engineering from the Polytechnic University of Madrid in 1975 and a PhD from the same university in 1980. He has been a Full Professor in the Department of Signals, Systems and Radiocommunications at the Polytechnic University of Madrid since January 1990. Retired in 2019, he has been an Emeritus Professor at UPM since 2020.
He teaches courses in Antennas, Communications Electronics, Electromagnetism, and Microwave Circuits at the undergraduate, master’s, and doctoral levels.
He has served as President of the Spanish Section of the IEEE, Spanish delegate to the European COST projects 260, 284, 603, and IC-1002 VISTA, member of the Spanish Committee of URSI, President of the Spanish Antenna Network, and Spanish representative to the European Association on Antennas and Propagation (EurAAP). He was also President of the National URSI Symposium held in Madrid in 1996 and of the European Conference on Antennas and Propagation (EuCAP) held in Barcelona in 2010.
His research focuses on the design of antennas and radiofrequency circuits associated with antenna systems. In recent years, he has particularly concentrated on the study and design of active antenna systems for applications in communications, radar, and control systems.
The three honorees are also members of the Information Processing and Telecommunications Center (IPTC), R&D Centre of the Universidad Politécnica de Madrid (UPM) which has expressed great pride in their achievements, emphasizing their commitment to excellence, innovation, and the advancement of scientific knowledge.
Through this initiative, URSI-Spain reaffirms its commitment to recognizing excellence and preserving the legacy of those who have significantly contributed to the field, inspiring future generations of scientists.
More information: https://ursi.es/ursi-spain/
LinkedIn: https://www.linkedin.com/company/iptc-upm/
For more information: www.iptc.upm.es
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