stud ios ▁in ▁Sydney , ▁Melbourne , ▁Br is b ane , ▁Ad ela ide ▁and ▁Per th . ▁ ▁Prime 7 ' s ▁national ▁broadcast ▁facility ▁in ▁Can ber ra , ▁works ▁with ▁" B road cast ▁Centre ▁Melbourne " ▁( Se ven ' s ▁national ▁broadcast ▁facility ) ▁for ▁programming ▁play - out ▁operations . ▁ ▁History ▁Prime ▁Television ▁Limited ▁began ▁life ▁in ▁ 1 9 7 0 , ▁when ▁min eral ▁expl orer ▁Alt ar ama ▁Min er als ▁was ▁incorpor ated ▁and ▁listed ▁on ▁the ▁Australian ▁Stock ▁Exchange . ▁Following ▁its ▁movement ▁into ▁the ▁autom ot ive ▁industry , ▁the ▁business ▁changed ▁its ▁name ▁to ▁Alt ar ama ▁Ltd ▁in ▁ 1 9 7 3 . ▁ ▁Paul ▁R ams ay ▁gained ▁control ▁of ▁Alt ar ama ▁in ▁ 1 9 8 5 , ▁subsequently ▁ren aming ▁it ▁once ▁again ▁to ▁Ram cor p ▁Ltd . ▁As ▁part ▁of ▁a ▁divers ification ▁into ▁television , ▁advert ising , ▁and ▁health care , ▁Ram cor p ▁appointed ▁All an ▁Ho y ▁as ▁found ing ▁media ▁CE O ▁who ▁spe ar head ed ▁the ▁purchase ▁of ▁regional ▁television ▁stations ▁C B N - 8 ▁Orange , ▁C WN - 6 ▁Dub bo , ▁AM V - 4 ▁Al bury , ▁and ▁R V N - 2 ▁W ag ga ▁W ag ga ▁in ▁ 1 9 8 7 . ▁So on ▁after , ▁the ▁stations ▁began ▁to ▁be ▁known ▁collect ively ▁as ▁The ▁Prime ▁Network . ▁ ▁In ▁the ▁lead -