The Niigata Television Network 21 (株式会社新潟テレビ二十一, Kabushikigaisha Niigata Terebi Nijūichi, UX) is a TV station affiliated with All-Nippon News Network (ANN) in Niigata, Niigata Prefecture. It was established on March 7, 1983 and began broadcasting from October 1, 1983. The station has been branded as ux since 2006, after the last two letters of the station's call sign.