A method 6 or 7 wherein said data acquisition routine is called at {HEAD ~ intervals} by {TAIL ~ a hardware} generated clock interrupt 
by
A method 6 or 7 wherein said data acquisition routine is called at { HEAD ~ intervals } by { TAIL ~ a hardware } generated clock interrupt
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH