Table:
text: NRN
Main transmitters
Main transmitters
Region_served City Channels_Analog_Digital_ First_air_date ERP_Analog_Digital HAAT_Analog_Digital_1 Transmitter_Location
Grafton / Kempsey Coffs Harbour 11 ( VHF ) 3 38 ( UHF ) 23 January 1965 250 kW 250kW 706 m 730 m Mount Moombil
Manning River Taree 65 ( UHF ) 3 44 ( UHF ) 31 December 1991 600kW 320kW 633 m 633 m Middle Brother
Newcastle / Hunter River Newcastle 57 ( UHF ) 3 51 ( UHF ) 31 December 1991 1200kW 500kW 439 m 439 m Mount Sugarloaf
Richmond and Tweed 2 Lismore 8 ( VHF ) 3 32 ( UHF ) 12 May 1962 200kW 200kW 612 m 648 m Mount Nardi
Upper Namoi Tamworth 34 ( UHF ) 3 40 ( UHF ) 31 December 1991 600kW 330kW 844 m 874 m Mount Dowe

Question: In which region is a transmitter located at Sugar Loaf under NRN?