It is our great pleasure to welcome you to the beautiful city of Florence for the 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, at the ”Fortezza da Basso” Convention Center from July 14 to 19, 2024. This conference will be an exciting and informative event that will bring together leading researchers, engineers, and practitioners from around the world to share their knowledge and expertise on the latest advances in antennas and propagation, radio science and electromagnetic engineering. The event is cosponsored by the IEEE Antennas and Propagation Society (IEEE AP-S), the Italian national Committee (ITNC) and the US National Committee (USNC) of the International Union of Radio Science (URSI).