Mainichi Broadcasting System - History of MBS

History of MBS

  • December 27, 1950: The predecessor of MBS, New Japan Broadcasting Company (新日本放送株式会社, Shin-Nippon Hōsō Kabushiki-gaisha?, NJB), was founded.
  • September 1, 1951: NJB started radio broadcasting from Hankyu Department Store as the second commercial one in Japan.
  • December 1, 1956: NJB founded Osaka Television Co., Ltd. (大阪テレビ放送株式会社, Ōsaka Terebi Hōsō Kabushiki-gaisha?, OTV) with Asahi Broadcasting Corporation (ABC).
  • June 1, 1958: NJB was renamed "Mainichi Broadcasting System, Inc."
  • March 1, 1959: After selling all stocks of OTV to ABC, MBS started analog terrestrial television broadcasting independently from OTV on, and made a network with Nippon Educational Television Co., Ltd. (NET, the predecessor of TV Asahi Corporation).
  • 1960: A broadcasting studio was completed in Senri.
  • 1964: MBS formed a radio network with TBS Radio and RKB Radio, which evolved into Japan Radio Network (JRN) in 1965.
  • 1974: MBS joined a television news network called All-Nippon News Network (ANN).
  • March 31, 1975: MBS changed to a news network called Japan News Network (JNN) because the president of the Asahi Shimbun in those days ordered ABC to change the flagship station to NET.
  • May 15, 1977: The frequency of MBS Radio changed from 1210 kHz to 1180 kHz.
  • 5 a.m., November 23, 1978: the frequency of MBS Radio changed again from 1180 kHz to 1179 kHz.
  • 1990: The new headquarters and new broadcasting studio was completed in Chayamachi, Kita-ku, Osaka for the 40th anniversary of starting broadcasting. The registered headquarters moved from former Osaka Head Office of the Mainichi Shimbun, and the broadcasting studio moved from Senri.
  • September 1, 1991: 40th anniversaty of MBS's starting broadcasting
  • March 31, 2001: A broadcasting studio called "MBS Studio in USJ" was opened at Universal Studios Japan.
  • September 1, 2001: 50th anniversaty of MBS's starting broadcasting
  • 11 a.m., December 1, 2003: MBS started digital terrestrial TV broadcasting.
  • September 1, 2006: 55th anniversaty of MBS's starting broadcasting
  • May 15, 2010: MBS started the Internet protocol simulcast radio service via "radico" together with ABC, OBC, FM 802, FM Osaka, and FM Cocolo.
  • noon, July 24, 2011: MBS terminated analog terrestrial TV broadcasting.
  • September 1, 2011: The corporate logo of MBS was renewed for the 60th anniversaty of the station's starting broadcasting.

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