p) said {TAIL ~ mobile stations} on aircraft have a transmission power output which is substantially lower than {HEAD ~ the transmission power output} of a mobile stations on land vehicles 
p ) said { TAIL ~ mobile stations } on aircraft have a transmission power output which is substantially lower than { HEAD ~ the transmission power output } of a mobile stations on land vehicles
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH