The report is generated based on {HEAD ~ a report format} used for {TAIL ~ uplink reporting} by a user station 
used for
The report is generated based on { HEAD ~ a report format } used for { TAIL ~ uplink reporting } by a user station
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH