said coil of wire providing a tubular shaped metallic grounding surface which alters the electromagnetic field of said radio frequency energy radiated by {HEAD ~ said ported coaxial cable} to direct and concentrate said energy about {TAIL ~ said coil} of wire 
said coil of wire providing a tubular shaped metallic grounding surface which alters the electromagnetic field of said radio frequency energy radiated by { HEAD ~ said ported coaxial cable } to direct and concentrate said energy about { TAIL ~ said coil } of wire
OTH 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 HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH