further adjusting each adjusted program clock reference time stamp based on a difference between said dispatch time of {TAIL ~ said time slot} in which said 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 {HEAD ~ an external clock} 
further adjusting each adjusted program clock reference time stamp based on a difference between said dispatch time of { TAIL ~ said time slot } in which said 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 { HEAD ~ an external clock }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD