The IBS decoder 98 demodulates {HEAD ~ any tones} representing digital data back into {TAIL ~ a digital IBS packets} 
back into
The IBS decoder 98 demodulates { HEAD ~ any tones } representing digital data back into { TAIL ~ a digital IBS packets }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL