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GEM began transmission on September 26, 2010 taking over from Nine HD. The channel launched one day after Seven Network's multichannel 7mate began transmission. The name was an acronym for General Entertainment and Movies, and was a reference to the channel's picture clarity, being in high definition at the time.
On November 26, 2015, GEM was downgraded to standard definition and was renamed to 9Gem. The name change came about as the Nine Network rebranded most of their channels by adding the Nine dots.
Free-to-air television in Australia
ABC TV (HD) | SBS (HD) | Seven (HD) | Nine (HD) | 10 (HD)