Posted by Wes Stewart-2 on Apr 16, 2017; 5:27am URL: http://elecraft.85.s1.nabble.com/OT-Feedline-question-tp7629317p7629355.html
I'll agree with both points.
That said, think about the space between wires. On and about the wires is a
relatively thin layer of plastic. From there, the space between wires is filled
with...wait for it...air.