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