WRAL has become the first U.S. television station to begin broadcasting a full-time service using ATSC 3.0. They are operating under an experimental license from the FCC on RF 39.
39.1 1080p WRAL simulcast
39.2 2160p UHD demo loop
http://www.tvnewscheck.com/article/95854/wral-launches-atsc-30-service/page/1
39.1 1080p WRAL simulcast
39.2 2160p UHD demo loop
http://www.tvnewscheck.com/article/95854/wral-launches-atsc-30-service/page/1