▁Control ▁Board . ▁An ▁approach ▁was ▁also ▁made ▁to ▁NR N 1 1 ▁C offs ▁Har bour ▁but ▁an ▁agreement ▁could ▁not ▁be ▁reached . ▁Finally , ▁E CN ▁approached ▁N EN ▁with ▁an ▁agreement ▁for ▁E CN ▁to ▁carry ▁a ▁relay ▁broadcast ▁of ▁N EN ' s ▁programming ▁from ▁the ▁end ▁of ▁March ▁ 1 9 6 9 . ▁In ▁November ▁ 1 9 7 1 , ▁E CN ▁merged ▁with ▁N EN , ▁but ▁continued ▁to ▁use ▁the ▁call sign ▁E CN ▁into ▁the ▁mid ▁ 1 9 8 0 s . ▁ ▁During ▁the ▁ 1 9 7 0 s ▁and ▁early ▁ 1 9 8 0 s ▁N EN 9 ▁was ▁a ▁member ▁of ▁the ▁Great ▁East land ▁Television ▁partners hip ▁with ▁NR N 1 1 ▁C offs ▁Har bour ▁and ▁D D Q / SD Q ▁To owo om ba , ▁Queensland , ▁sharing ▁programming ▁and ▁advert ising . ▁From ▁ 1 9 8 4 ▁until ▁ 1 9 8 9 ▁the ▁station ▁brand ed ▁itself ▁ 9 - 8 ▁Television , ▁referencing ▁the ▁channel ▁numbers ▁of ▁both ▁their ▁Tam worth ▁and ▁T are e ▁broadcast s . ▁ ▁Prime ▁Television ▁purchased ▁the ▁station ▁in ▁ 1 9 8 9 , ▁re brand ing ▁the ▁station ▁Prime ▁Television ▁and ▁align ing ▁it ▁with ▁the ▁Seven ▁Network , ▁similarly ▁to ▁C B N ▁in ▁southern ▁New ▁South ▁Wales , ▁whilst ▁changing ▁E CN ' s ▁call ▁sign ▁to ▁N EN . ▁At ▁the ▁comm enc ement ▁of ▁Northern ▁NS