a ported coaxial cable disposed on {HEAD ~ the external surface} of {TAIL ~ said coil} of wire and extending along the length thereof 
a ported coaxial cable disposed on { HEAD ~ the external surface } of { TAIL ~ said coil } of wire and extending along the length thereof
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH