<P> On Wednesday 31 October 1973, colour television using the Phase Alternating Line (PAL) system was introduced, in readiness for the 1974 British Commonwealth Games, which were to be held in Christchurch in January and February 1974 . The final switchover for colour television wasn't until December 1975 . </P> <P> The introduction of a second TV channel (then called TV2) on Monday 30 June 1975 also saw the reorganisation of broadcasting in New Zealand . The NZBC was dissolved in April of that year, with the two television channels, Television One and TV2, run separately from one another . TV2 was renamed South Pacific Television in 1976 . </P> <P> In 1978, the Broadcasting Corporation of New Zealand (BCNZ) was established, and in 1980, TV One and South Pacific (known once again as TV2) were merged into a single organisation, Television New Zealand (TVNZ). </P> <P> In 1988, following major economic reforms to the state sector, the BCNZ was dissolved . TVNZ and Radio New Zealand (RNZ) became separate "State - Owned Enterprises" (SOEs) which would have to compete commercially and return dividends to the Crown . </P>

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