In another form, the antenna is mounted atop {HEAD ~ an articulated two leg boom} attached to {TAIL ~ a wheeled carriage} that may be self propelled or drawn and which has controls for operating the boom and for direction the antenna 
In another form , the antenna is mounted atop { HEAD ~ an articulated two leg boom } attached to { TAIL ~ a wheeled carriage } that may be self propelled or drawn and which has controls for operating the boom and for direction the antenna
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH