▁has ▁also ▁provided ▁blocks ▁of ▁programming ▁to ▁a ▁variety ▁of ▁affili ates ▁in ▁the ▁U . S ., ▁and ▁increasing ly ▁fe eds ▁from ▁other ▁national ▁broad c aster s ▁have ▁been ▁distributed ▁through ▁digital ▁sub ch annels ▁belonging ▁to ▁public ▁stations ▁in ▁the ▁U . S . ▁New ▁York ▁City ' s ▁municip ally - owned ▁broadcast ▁service , ▁NY C ▁Media , ▁creates ▁original ▁programming ▁that ▁air s ▁in ▁several ▁mark ets . ▁F ew ▁cities ▁have ▁major ▁municip ally - owned ▁stations . ▁ ▁Many ▁religious ▁broadcast ▁networks ▁and ▁stations ▁exist , ▁also ▁surv iving ▁on ▁vie wer ▁contributions ▁and ▁time ▁le ased ▁to ▁the ▁programming ▁produ cers ; ▁the ▁two ▁most ▁prominent ▁are ▁the ▁Tr inity ▁Broadcast ing ▁Network , ▁which ▁was ▁founded ▁in ▁ 1 9 7 3 ▁by ▁Paul ▁and ▁Jan ▁Cr ouch ▁as ▁a ▁part - time ▁min istry ▁that ▁le ased ▁programming ▁time ▁on ▁K B SA ▁( now ▁Un i M ás ▁owned - and - oper ated ▁station ▁K F TR - DT ) ▁in ▁the ▁Los ▁Angeles ▁ex urb ▁of ▁Ontario , ▁California , ▁before ▁moving ▁to ▁K L X A - TV ▁( now ▁K TB N - TV ) ▁in ▁Font ana , ▁which ▁it ▁began ▁purch asing ▁time ▁on ▁in ▁the ▁following ▁year ▁after ▁K B SA ▁was ▁sold ; ▁it ▁gradually ▁became ▁the ▁most ▁widely ▁distributed ▁Christian ▁television ▁network ▁in ▁the ▁world ▁with ▁ 2 0 ▁networks ▁( including ▁five ▁in ▁the ▁United ▁States ▁that ▁are ▁primarily ▁available