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