On Wed, 5 Apr 2006 21:09:10 +0100, "Reg Edwards"
wrote:
I should like to know the velocity factors which occur on various
twin-balanced transmission lines. We have -
Open wire lines with infrequently spaced, flimsey spacers.
450-ohm ladder lines of various sorts.
http://k6mhe.com/n7ws/Ladder_Line.pdf