The insulating fitting at one end of the cable has {HEAD ~ a plurality} of longitudinal holes therethrough to reduce the dielectric constant and {TAIL ~ the impedance} of the fitting 
to reduce
The insulating fitting at one end of the cable has { HEAD ~ a plurality } of longitudinal holes therethrough to reduce the dielectric constant and { TAIL ~ the impedance } of the fitting
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH