Pyo-Woong Son received his B.S. degree in Electrical and Electronic Engineering from Yonsei University, Seoul, South Korea, in 2012, and his Ph.D. in Integrated Technology at Yonsei University, Incheon, South Korea. He is currently a senior researcher with the Korea Research Institute of Ships and Ocean Engineering (KRISO) and an assistant professor with the University of Science and Technology (UST), Daejeon, South Korea. His research interests include complementary positioning, navigation, and timing systems, including eLoran. Dr. Son was the recipient of a Graduate Fellowship from the Information and Communications Technology (ICT) Consilience Creative Program supported by the Ministry of Science and ICT, South Korea.