K/Ka dual-band dual-polarization feed system for compact transmit-array SOTM antennas - Matos, S. A.; Naseri, P.; Felício, J.; Costa, J. R.; Fernandes, C. A.; Fonseca, N. J. G. (Proceedings of the IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications, APWC, 2025)