Each supplemental energy source includes circuitry for repetitively storing a predetermined quantity of supplemental energy and circuitry for detecting {HEAD ~ a start} of {TAIL ~ a primary energy pulse} and in response thereto, for discharging the restored supplemental energy into the conductors 
Each supplemental energy source includes circuitry for repetitively storing a predetermined quantity of supplemental energy and circuitry for detecting { HEAD ~ a start } of { TAIL ~ a primary energy pulse } and in response thereto , for discharging the restored supplemental energy into the conductors
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH