It shut down as part of a government measure to reduce the number of media outlets, after an attempted coup in Gwangju in May of that year.
[1] Seohae Broadcasting had a strong regional policy, with its main goals being community development and provision of information for farmers and fishermen.
However, like other local radio stations at the time, it was suffering from economic downturns and forged a partnership with the Tongyang Broadcasting Company ahead of its regular launch, on 19 September 1969.
[1] The Policy for Merger and Abolition of the Press enforced in November 1980 led to a massive reduction of media outlets from 1 December.
SBC was one of the affected stations, being sold to the Korean Broadcasting System at a relatively low price.