On 12/13/2011 2:47 PM, Ian White GM3SEK wrote: > The reduction in loss is almost entirely due to increase in the diameter > of the center conductor (because that conductor has the largest current > density and hence the highest skin effect losses). The foam dielectric > is merely something that*has* to be used to compensate for the thicker > center conductor, in order to keep the same characteristic impedance.
Exactly! Jim ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

