GRT Learning Zone

GRT TV Schools

1960-1974

GRT1 Schools

1974-1975

1975-1977

1977-1983

GRT2 Schools (first era)

1983-1986

GRT Two Schools

1986-1991

GRT2 Schools (second era)

1991-1995

GRT Learning Zone

1995-1997

1997-2013

2013-2015

General Radio Telecasting
Domestic television channels: GRT One (Other \| NI \| OI \| SL \| LA \| AN \| AR \| CI \| SI \| NT \| JI \| EN) (Newland: E \| EM \| L \| M \| NE&C \| NW \| S \| SE \| SW \| W \| Y \| Y&L) GRT Two (Other \| NI \| OI \| SL \| LA \| AN \| AR \| SI \| NT \| JI \| EN) \| GRT Three \| GRT Four GRT News \| Eurdenews \| GRT Sport \| GRT Parliament \| CGRT \| CGeeries \| GRT Ailda Defunct: GRT Select \| GRT Choice (NI \| OI \| LA \| SL) \| GRT Knowledge \| GRT HD International television channels: GRT Anglo \| GRT Atlansia (in partnership with AMC Networks) \| GRT ASTV \| GRT Cheyenne (in partnership with Cheyennemedia) \| GRT Cardinalia \| GRT Rivland (in partnership with Rivland National Television) \| GRT Gapia \| GRT Entertainment \| GRT Eusqainia (in partnership with Gigared) \| GRT First \| GRT Kids (in partnership with Gigared and Cheyennemedia) \| GRT Lifestyle \| GRT World News Defunct: GRT Prime \| GRT World Service Television \| GRT Knowledge \| GRT HD \| GRT Hokusei \| GRT Dave (in partnership with Unoicks Interactive) \| GRT Eden (in partnership with Unoicks Interactive) Radio stations: GRT Radio 1 \| GRT Radio 1Xtra \| GRT Radio 2 \| GRT Radio 3 \| GRT Radio 4 \| GRT Radio 4 Extra \| GRT Radio 5 Live \| GRT Radio 5 Live Sports Extra \| GRT Radio 6 Music \| GRT Asikaish Network \| GRT World Service Other operations: GRT News \| GRT Sport \| GRT Red Button \| GRT Online \| GRT iPlayer \| GRT Playlister \| GRT Productions \| GRT Dailun \| GRT Belford \| GRT Dristol \| GRT Durmingham \| GRT Cynion Lanzes (Percliff) \| GRT Slenland (Glaswell) \| GRT Lanchester \| GRT Films \| GRT Gapia Films \| GRT Studios \| GRT Home Entertainment \| ASTV \| GRT Bitesize \| GRT Music \| GRT Music Awards \| GRT Nationstates \| GRT iWonder \| GRT Learning Zone \| 2 Entertain \| GRT Taster \| GRT Gapia \| GRT Newsbeat \| GRT Dish Up \| GRT Children's International Defunct: GRT Ceefax \| GRT Switch \| GRT Multimedia \| GRT Worldwide
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FANDOM

GRT TV Schools

1960-1974

GRT1 Schools

1974-1975

1975-1977

1977-1983

GRT2 Schools (first era)

1983-1986

GRT Two Schools

1986-1991

GRT2 Schools (second era)

1991-1995

GRT Learning Zone

1995-1997

1997-2013

2013-2015