further adjusting {HEAD ~ each adjusted program clock reference time stamp} based on a difference between said dispatch time of said time slot in which said {TAIL ~ program clock reference time stamp bearing transport packet} is scheduled to be outputted and an actual time at which said time slot occurs relative to an external clock 
further adjusting { HEAD ~ each adjusted program clock reference time stamp } based on a difference between said dispatch time of said time slot in which said { TAIL ~ program clock reference time stamp bearing transport packet } is scheduled to be outputted and an actual time at which said time slot occurs relative to an external clock
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH