In the Korean broadcasting exhibit in the ATSC 3.0 Broadcast Pavilion at the National Association of Broadcasters convention here this week, KBS and SBS are showing how over-the-air ATSC 3.0 will deliver pristine 4K Ultra HD pictures with four times the resolution of conventional HD on LG 65-inch 4K TVs equipped with the world's first ATSC 3.0 demodulator/tuner chips. "Korean terrestrial broadcasters including KBS are preparing to launch the commercial UHD broadcasts with advanced services, including electronic service guides, emergency alerts and video-on-demand, by .