The Sapporo Television Broadcasting, Co., Ltd. (札幌テレビ放送株式会社 Sapporo Terebi Hōsō Kabushiki Gaisha) is a TV station of Nippon News Network (NNN) and Nippon Television Network System (NNS) in Hokkaidō, Japan. Headquartered in Sapporo, the capital city of Hokkaidō prefecture, the TV station was established on April 8, 1958. It is usually called "STV" for short, which is used as a name in a number of TV programs.

Since December 15, 1962, the company has worked as both television and radio station until July 12, 2005, when the radio section was split into the STV Radio Broadcasting, Co., Ltd. (STVラジオ株式会社 STV Rajio Kabushiki Gaisha) was established. Currently, the STV Radio is a radio station of National Radio Network (NRN) in Hokkaidō, Japan. The license of the radio broadcasting was succeeded to the STV Radio, and started radio broadcasting on October 1, 2005.

 Digital STV

    ID: 5
    Sapporo JOKX-DTV 21Ch
    Asahikawa JOKX-DTV 23Ch
    Kushiro JOKX-DTV 31Ch
    Abashiri JOKX-DTV 16Ch
    Obihiro JOKX-DTV 21Ch
    Hakodate JOKX-DTV 15Ch
    Kitami JOKX-DTV 16Ch
    Muroran JOKX-DTV 22Ch

STV Radio

    1440 kHz
        Sapporo JOWF
        Tomakomai
        Muroran
    1197 kHz
        Asahikawa JOWL
        Nayoro
        Wakkanai
        Enbetsu
        Rumoi
    882 kHz
        Kushiro JOWS
        Esashi
        Kitahiyama
    909 kHz
        Abashiri JOVX
        Engaru
    Obihiro JOWM 1071 kHz
    Hakodate JOWN 639 kHz
    Kitami JOYS 1485 kHz
    Nemuro JOXS 1062 kHz

http://www.stv.ne.jp/