On May 12, 2024, China's first official satellite 8K UHD TV channel "CCTV-8K UHD" launched for testing. The channel uses 128 Mbps MPEG-2 TS transmission on ChinaSat 9B (101.4°E), transport carrier is 12170 L 51400, modulation is DVB-S2 5/6 8-PSK. Video coding is AVS3 HLG, audio coding is 2...