Bay of Plenty region was formed in 1989 after a nationwide review and shakeup of top-level local government in New Zealand. The new region incorporated the former counties of Tauranga, Rotorua, Whakatane and Opotiki. On 5 October 2011, the MV Rena ran aground on the Astrolabe Reef in the bay causing a large oil spill, described as New Zealand's worst ever environmental disaster. The region is subdivided into territorial authorities, which include the Western Bay of Plenty District, Tauranga City, Whakatane District, Kawerau District and Opotiki District, as well as parts of Rotorua District and the town of Rangitaiki in Taupo District. The
Radio Bay of Plenty as Coastline Radio, Coastline One 24, Coastline 1-2-4, One 24 Double X or Coastline Double X. 1XX began broadcasting on 90.5 MHz at 12:12:12 pm on 12 December 1988. The idea of a locally based and privately owned Eastern Bay of Plenty station was first floated in 1969, prompted by the efforts of pirate station Radio Hauraki, broadcasting to Auckland from boats in the Hauraki Gulf. One Double X was granted a broadcasting license in 1970, with the 1 in the call-sign signifying the upper North Island location, the first X representing private ownership and the second X chosen by