On November 1, 1969, the Government under Eric Williams acquired Radio Guardian and Trinidad and Tobago Television (TTT).
[1][2] The radio broadcast and production studios continued to be located at 17 Abercromby Street in downtown Port-of-Spain, the capital city.
Over the days of the attempted coup attempt led by the Jamaat al-Muslimeen on July 27, 1990, NBS Radio remained on the air around the clock as the only source of information for listeners in the country, up the eastern Caribbean and also overseas via short-wave signal.
Under the re-branded International Communications Network (ICN), 91.1 FM eventually changed its format entirely to East Indian programming in 1998.
Due to financial losses, both radio and TV broadcast entities of NBN ceased operations at midnight on January 15, 2005.