▁that ▁service ▁via ▁satellite ▁and ▁the ▁Internet ▁and ▁not ▁through ▁terrest rial ▁out lets ; ▁the ▁United ▁States ▁Department ▁of ▁Def ense ▁produced ▁the ▁Pent agon ▁Channel ▁( l ater ▁renamed ▁Do D ▁News ▁Channel ), ▁a ▁military ▁news ▁out let ▁that ▁operated ▁from ▁ 2 0 0 4 ▁to ▁ 2 0 1 5 . ▁In ▁addition , ▁Broadcast ing ▁Board ▁of ▁Govern ors ▁content ▁( the ▁most ▁well - known ▁being ▁Vo ice ▁of ▁America ) ▁has ▁been ▁available ▁to ▁U . S . ▁consum ers ▁since ▁the ▁partial ▁repe al ▁of ▁the ▁Smith – M und t ▁Act ▁in ▁ 2 0 1 3 ; ▁V O A ▁and ▁its ▁sister ▁out lets ▁are ▁like wise ▁restricted ▁to ▁short wave ▁and ▁Internet ▁broadcast s . ▁ ▁The ▁Public ▁Broadcast ing ▁Service ▁is ▁the ▁largest ▁public ▁television ▁broad c aster ▁in ▁the ▁United ▁States , ▁origin ating ▁in ▁October ▁ 1 9 7 0 ▁as ▁the ▁successor ▁of ▁National ▁Edu c ational ▁Television ▁( which ▁was ▁established ▁in ▁ 1 9 5 4 ). ▁Un like ▁the ▁commercial ▁networks , ▁P BS ▁does ▁not ▁officially ▁produce ▁any ▁of ▁its ▁own ▁programming ; ▁instead , ▁individual ▁P BS ▁stations ▁( most ▁not ably , ▁W NET ▁in ▁New ark , ▁New ▁Jersey / New ▁York ▁City , ▁W GB H - TV ▁in ▁Boston ▁and ▁W ET A - TV ▁in ▁Washington , ▁D . C .), ▁station ▁groups ▁and ▁affili ated ▁produ cers ▁create ▁programming ▁and ▁provide ▁these ▁through ▁P BS