{HEAD ~ The amount} of dielectric coating applied, type of dielectric material selected, and method of application is {TAIL ~ a matter} of design choice which depends on the level of D.C. blockage desired and the desired operable RF frequency range 
{ HEAD ~ The amount } of dielectric coating applied , type of dielectric material selected , and method of application is { TAIL ~ a matter } of design choice which depends on the level of D.C. blockage desired and the desired operable RF frequency range
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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