Byungwoon Park received his B.S., M.S., and Ph.D. from Seoul National University, Seoul, Republic of Korea. From 2010 to 2012, he worked as a senior and principal researcher at the Spatial Information Research Institute in the Korea Cadastral Survey Corporation. Since 2012, he has been an Associate Professor with the school of Aerospace Engineering at Sejong University. His research interests include wide area DGNSS (WAD) correction generation algorithms, geodesy, real-time kinematics (RTK)/network RTK related algorithms, and estimation of ionospheric irregularity drift velocity using ROT variation and spaced GNSS receivers.