The "MRO" abbreviation is taken from the last letters of the call signs "JOMR" and "JOMO" of the Kanazawa and Nanao broadcasting stations, respectively.

This application was later rejected due to Supreme Commander for the Allied Powers' media censorship.

The local newspaper Hokkoku Shimbun in Ishikawa Prefecture revived its plans to operate a new broadcaster.

[1]: 4 The broadcaster was initially located in the 4th floor of the Marukoshi Department Store in Kanazawa City.

[1]: 56  On April 1 of the same year, Hokuriku Broadcasting began construction of a new headquarters in Takaoka-cho (now Korinbo), Kanazawa City.

[1]: 69  At 8:10 p.m. on November 6 of the following year, Hokuriku Broadcasting launched a TV test signal.

[1]: 79  Shortly after Hokuriku Broadcasting started, TV began to spread rapidly due to the wedding of Crown Prince Akihito.

[1]: 150–151  To celebrate the 15th anniversary of its founding, Hokuriku Broadcasting published "Ishikawa Prefecture Folklore"[1]: 165  in 1967, which included 484 ballads.

[1]: 166–167  In August 1976, Hokuriku Broadcasting and Buffalo's WBEN-TV (now WIVB-TV) signed a sister station agreement.

On January 10, 2018, because the signal tower shared by Hokuriku Broadcasting and Ishikawa TV caught fire due to a lightning strike, the Kaga area and other places could not watch the programs of Hokuriku Broadcasting.