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