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