Re: LF: Mains Cable and other transmission lines

["Bob Eldridge " <r.c.eldridge@ieee.org>]

> At 13:55 04/05/2003 +0100, you wrote:
> > After reading Jim's e-mail I searched through all my radio books
> > (Terman, Kraus et al) for enlightenment and the reason for 50ohms as a
> > standard is not discussed at all.
> > Any references Jim?
I read somewhere that 77 ohms cable was determined to be the impedance
giving lowest attenuation, and that when it was filled with polyethylene
dielectric it created a 50 ohms cable. 

Bob VE7BS