For many in the U.S., Sinclair Broadcast Group is viewed as the owner of broadcast TV stations and the parent of Bally Sports regional sports networks. But, Sinclair is perhaps the one free-to-air TV station owner that's done more to advance ATSC 3.0 in the U.S. than its peers. Now, Sinclair has taken another step designed to further the development and implementation of NextGen TV not only stateside, but in South Korea.