Korea New Network (KNN) (Korean: 케이엔엔 부산경남방송; RR: Ke-i-En-En) is the biggest regional free-to-air commercial broadcasting station based in Centum City, a high-tech media development complex within Haeundae in Busan, South Korea. KNN is affiliated with SBS. It was originally founded in April 1994 as Pusan Broadcasting Corporation (PSB) (Korean: 부산방송; Hanja: 釜山放送; RR: Busan Bangsong). It had first begun its demo transmissions upon its establishment in April, and later on September 7 the same year it had begun its test transmissions, and then commenced its official broadcasts on May 14, 1995. As of 2011 its own programs make up to 35 percent of all programs.