In one general aspect, {HEAD ~ a method} of creating {TAIL ~ transport streams} in a single frequency network having multiple modulation schemes is described below 
of creating
In one general aspect , { HEAD ~ a method } of creating { TAIL ~ transport streams } in a single frequency network having multiple modulation schemes is described below
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH