The signal written at each write power level Pwm is read to measure the Henv and Lenv of the read signal amplitude, and calculations are performed to determine {TAIL ~ the modulation Mm=/Henv} corresponding to {HEAD ~ each Pwm value} 
The signal written at each write power level Pwm is read to measure the Henv and Lenv of the read signal amplitude , and calculations are performed to determine { TAIL ~ the modulation Mm=/Henv } corresponding to { HEAD ~ each Pwm value }
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD