[2]: 34 On March 10 of the following year, HBC started radio broadcasting operating for at least 16 hours every day (06:00 to 22:30).
[2]: 59 The next day, Hokkaido Broadcasting completed the 36-meter-high iron tower built on the top of Mount Teine, which gave Hokkaido Broadcasting the largest single-signal station TV signal coverage in Japan at that time.
Hokkaido Broadcasting hoped to obtain channel 1, but NHK strongly opposed it.
[2]: 60 On April 1, 1957, Hokkaido Broadcasting's television service officially launched, becoming Japan's first private TV station outside the three major metropolitan areas.
[2]: 60 Within five years of broadcasting, the Hokkaido Broadcasting and Television Department set up relay stations in Hakodate, Muroran, Asahikawa, and Kushiro, basically covering the entire territory of Hokkaido.
[2]: 156 From 1982 to 1991, Hokkaido Broadcasting has won the all-time ratings war for 10 consecutive years.
[2]: 244–245 In order to save costs, Hokkaido Broadcasting consolidated its program broadcasting areas outside of Sapporo into four areas: Donan (Hakodate, Muroran), Dohoku (Asahikawa, Kitami), Kushiro, and Obihiro in 1997.
[2]: 262 In 1998, Hokkaido Broadcasting launched the mascot Monsuke[2]: 244 with a monkey as the design concept.